Activity log for bug #1579609

Date Who What changed Old value New value Message
2016-05-09 03:48:57 Yung Shen bug added bug
2016-05-09 03:49:59 Yung Shen description According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my syslog ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies: gcc-6-base 6.0.1-0ubuntu1 libc6 2.23-0ubuntu3 libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install) According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install)
2016-05-09 03:50:57 Yung Shen description According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ... >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install) According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install system root on /dev/sdb1 and noticed these warning message in my system log: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install)
2016-05-09 07:15:01 Yung Shen description According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install system root on /dev/sdb1 and noticed these warning message in my system log: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install) According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log. Steps to reproduce: 1. reboot system 2. $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install)
2016-10-19 21:32:12 Launchpad Janitor os-prober (Ubuntu): status New Confirmed
2016-10-19 21:32:16 Jared Fernandez bug added subscriber Jared Fernandez
2016-10-19 21:32:23 Jared Fernandez tags amd64 apport-bug xenial amd64 apport-bug xenial yakkety
2016-10-31 17:28:26 Alberto Salvia Novella os-prober (Ubuntu): importance Undecided High
2016-10-31 17:28:36 Alberto Salvia Novella os-prober (Ubuntu): importance High Critical
2016-11-10 09:55:46 Hontvári József Levente bug added subscriber Hontvári József Levente
2016-12-01 15:50:29 Eric Desrochers bug watch added http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788062
2016-12-01 15:50:29 Eric Desrochers bug watch added http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=806273
2016-12-01 15:50:36 Eric Desrochers os-prober (Ubuntu): assignee Eric Desrochers (slashd)
2016-12-01 16:02:48 Eric Desrochers os-prober (Ubuntu): status Confirmed In Progress
2016-12-02 11:54:31 Dominique Poulain bug added subscriber Dominique Poulain
2016-12-02 15:23:10 Eric Desrochers summary [Xenial] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old os-prober bug resulting in possible FS corruption
2016-12-05 13:39:56 Robie Basak nominated for series Ubuntu Xenial
2016-12-05 13:39:56 Robie Basak bug task added os-prober (Ubuntu Xenial)
2016-12-05 16:11:34 Eric Desrochers os-prober (Ubuntu Xenial): assignee Eric Desrochers (slashd)
2016-12-05 16:11:43 Eric Desrochers os-prober (Ubuntu Xenial): importance Undecided Critical
2016-12-05 16:11:49 Eric Desrochers os-prober (Ubuntu Xenial): status New In Progress
2016-12-06 13:36:31 Eric Desrochers description According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log. Steps to reproduce: 1. reboot system 2. $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install) [Impact] This bug generate some warnings in system log and in some cases it also might cause FS corruption as seen with a user using MySQL for his Openstack env. [Test Case] As of today, there is 3 reported way to reproduce the problem so far : #1 Reboot system $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager #2 Placing a VM under IO load (basically just ran dd if=/dev/vda of=/dev/null) and then ran update-grub on the hypervisor host. #3 Simply run: os-prober, on an hypervisor some VM with LVM storage backend. [Regression Potential] none expected A test package has been tested by several users experiencing the issue, and positives feedbacks has been provided in all cases. [Other Info] Debian bugs: Merged 648208 788062 806273 810121 Debian Patch: https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=806273;filename=v2-0001-use-grub-mount-as-the-sole-source-of-partition-pr.patch;msg=30 [Original Description] According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log. Steps to reproduce: 1. reboot system 2. $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install)
2016-12-06 13:40:08 Eric Desrochers description [Impact] This bug generate some warnings in system log and in some cases it also might cause FS corruption as seen with a user using MySQL for his Openstack env. [Test Case] As of today, there is 3 reported way to reproduce the problem so far : #1 Reboot system $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager #2 Placing a VM under IO load (basically just ran dd if=/dev/vda of=/dev/null) and then ran update-grub on the hypervisor host. #3 Simply run: os-prober, on an hypervisor some VM with LVM storage backend. [Regression Potential] none expected A test package has been tested by several users experiencing the issue, and positives feedbacks has been provided in all cases. [Other Info] Debian bugs: Merged 648208 788062 806273 810121 Debian Patch: https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=806273;filename=v2-0001-use-grub-mount-as-the-sole-source-of-partition-pr.patch;msg=30 [Original Description] According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log. Steps to reproduce: 1. reboot system 2. $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install) [Impact] This bug generate some warnings in system log and in some cases it also might cause FS corruption as seen with a user using MySQL for his Openstack env. [Test Case] As of today, there is 3 reported way to reproduce the problem so far : #1 Reboot system $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager #2 Placing a VM under IO load (basically just ran dd if=/dev/vda of=/dev/null) and then ran update-grub on the hypervisor host. #3 Simply run: os-prober, on an hypervisor some VM with LVM storage backend. [Regression Potential] none expected A test package has been tested by several users experiencing the issue, and positives feedbacks has been provided in all cases. [Other Info] Debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788062 (Merged 648208 788062 806273 810121) Debian Patch: https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=806273;filename=v2-0001-use-grub-mount-as-the-sole-source-of-partition-pr.patch;msg=30 [Original Description] According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log. Steps to reproduce: 1. reboot system 2. $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install)
2016-12-06 13:41:40 Eric Desrochers description [Impact] This bug generate some warnings in system log and in some cases it also might cause FS corruption as seen with a user using MySQL for his Openstack env. [Test Case] As of today, there is 3 reported way to reproduce the problem so far : #1 Reboot system $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager #2 Placing a VM under IO load (basically just ran dd if=/dev/vda of=/dev/null) and then ran update-grub on the hypervisor host. #3 Simply run: os-prober, on an hypervisor some VM with LVM storage backend. [Regression Potential] none expected A test package has been tested by several users experiencing the issue, and positives feedbacks has been provided in all cases. [Other Info] Debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788062 (Merged 648208 788062 806273 810121) Debian Patch: https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=806273;filename=v2-0001-use-grub-mount-as-the-sole-source-of-partition-pr.patch;msg=30 [Original Description] According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log. Steps to reproduce: 1. reboot system 2. $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install) [Impact] This bug generate some warnings in system log and in some cases it also might cause FS corruption as seen with a user using MySQL for his Openstack env. [Test Case] As of today, there is 3 reported way to reproduce the problem so far : #1 Reboot system $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager #2 Placing a VM under IO load (basically just ran dd if=/dev/vda of=/dev/null) and then ran update-grub on the hypervisor host. #3 Simply run: os-prober, on an hypervisor some VM with LVM storage backend. [Regression Potential] none expected A test package has been tested by several users experiencing the issue, and positives feedbacks has been provided in all cases. [Other Info] Workaround: - Disable os-prober - Uninstall os-prober Debian bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788062 (Merged 648208 788062 806273 810121) Debian Patch: https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=806273;filename=v2-0001-use-grub-mount-as-the-sole-source-of-partition-pr.patch;msg=30 [Original Description] According to this it should be fixed https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1374759/comments/32 But on my system I intended to install on /dev/sdb1 and noticed these warning message in my system log. Steps to reproduce: 1. reboot system 2. $ sudo update-grub then check the log again: $ journalctl -p err -b -k --no-pager -- Logs begin at Sun 2016-05-08 10:47:49 CST, end at Mon 2016-05-09 11:42:04 CST. -- May 08 10:47:50 X230 kernel: [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A May 08 10:47:50 X230 kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:34 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:34 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:34 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:34 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:34 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:52 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:52 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:52 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:52 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:52 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb1): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb1 May 08 10:55:59 X230 kernel: FAT-fs (sdb1): invalid media value (0x7d) May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: EXT4-fs (sdb4): VFS: Can't find ext4 filesystem May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on sdb4 May 08 10:55:59 X230 kernel: FAT-fs (sdb4): bogus number of reserved sectors May 08 10:55:59 X230 kernel: qnx4: no qnx4 filesystem (no root dir). May 08 10:55:59 X230 kernel: ufs: You didn't specify the type of your ufs filesystem                              mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...                              >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old May 08 10:55:59 X230 kernel: ufs: ufs_fill_super(): bad magic number May 08 21:16:00 X230 kernel: ACPI: \_SB_.PCI0.LPC_.EC__.BAT1: Unable to dock! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: os-prober 1.70ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon May 9 11:42:57 2016 Dependencies:  gcc-6-base 6.0.1-0ubuntu1  libc6 2.23-0ubuntu3  libgcc1 1:6.0.1-0ubuntu1 InstallationDate: Installed on 2016-05-03 (5 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install)
2016-12-06 14:35:33 Eric Desrochers os-prober (Ubuntu): importance Critical Medium
2016-12-06 15:19:14 Eric Desrochers bug added subscriber SRU Verification
2016-12-06 15:19:33 Eric Desrochers tags amd64 apport-bug xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru xenial yakkety
2016-12-06 15:20:36 Eric Desrochers attachment added Xenial_debdiff https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+attachment/4788145/+files/xenial_lp1579609.debdiff
2016-12-06 15:21:09 Eric Desrochers attachment added Zesty_debdiff https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+attachment/4788146/+files/zesty_lp1579609.debdiff
2016-12-06 15:21:27 Eric Desrochers bug added subscriber Mathieu Trudel-Lapierre
2016-12-06 16:17:34 Eric Desrochers bug added subscriber Ubuntu Sponsors Team
2016-12-13 17:07:03 Launchpad Janitor os-prober (Ubuntu): status In Progress Fix Released
2016-12-14 14:37:47 Chris J Arges os-prober (Ubuntu Xenial): status In Progress Fix Committed
2016-12-14 14:37:49 Chris J Arges bug added subscriber Ubuntu Stable Release Updates Team
2016-12-14 14:37:58 Chris J Arges tags amd64 apport-bug sts sts-sponsor sts-sru xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety
2016-12-14 14:38:44 Eric Desrochers attachment added V2_xenial_lp1579609 https://bugs.launchpad.net/ubuntu/xenial/+source/os-prober/+bug/1579609/+attachment/4791558/+files/V2_xenial_lp1579609.debdiff
2016-12-14 14:38:54 Chris J Arges removed subscriber Ubuntu Sponsors Team
2016-12-14 15:01:15 Eric Desrochers attachment added V3_xenial_lp1579609 https://bugs.launchpad.net/ubuntu/xenial/+source/os-prober/+bug/1579609/+attachment/4791559/+files/V3_xenial_lp1579609.debdiff
2016-12-14 15:40:17 Obrouni bug added subscriber Obrouni
2016-12-20 14:42:59 Mathieu Trudel-Lapierre tags amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-failed xenial yakkety
2017-01-04 09:00:53 Roman Plessl bug added subscriber Roman Plessl
2017-01-05 23:22:59 Brian Murray tags amd64 apport-bug sts sts-sponsor sts-sru verification-failed xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru xenial yakkety
2017-01-05 23:23:00 Brian Murray tags amd64 apport-bug sts sts-sponsor sts-sru xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety
2017-01-17 18:48:49 Eric Desrochers tags amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-done xenial yakkety
2017-01-18 12:32:34 Robie Basak tags amd64 apport-bug sts sts-sponsor sts-sru verification-done xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety
2017-01-18 13:12:07 Eric Desrochers tags amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-done xenial yakkety
2017-01-18 14:26:49 Eric Desrochers tags amd64 apport-bug sts sts-sponsor sts-sru verification-done xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety
2017-01-18 15:30:52 Eric Desrochers tags amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-failed xenial yakkety
2017-01-18 18:09:57 Eric Desrochers attachment added xenial_skip_lvm_member.debdiff https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+attachment/4805949/+files/xenial_skip_lvm_member.debdiff
2017-01-18 18:10:48 Eric Desrochers attachment added zesty_skip_lvm_member.debdiff https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+attachment/4805950/+files/zesty_skip_lvm_member.debdiff
2017-02-02 23:03:49 Brian Murray os-prober (Ubuntu Xenial): status Fix Committed Incomplete
2017-02-02 23:03:53 Brian Murray os-prober (Ubuntu): status Fix Released Triaged
2017-02-03 15:56:52 Mathieu Trudel-Lapierre os-prober (Ubuntu): status Triaged Fix Released
2017-02-03 16:48:18 Brian Murray os-prober (Ubuntu Xenial): status Incomplete Fix Committed
2017-02-03 16:48:29 Brian Murray tags amd64 apport-bug sts sts-sponsor sts-sru verification-failed xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru xenial yakkety
2017-02-03 16:48:30 Brian Murray tags amd64 apport-bug sts sts-sponsor sts-sru xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety
2017-02-07 21:22:06 Eric Desrochers tags amd64 apport-bug sts sts-sponsor sts-sru verification-needed xenial yakkety amd64 apport-bug sts sts-sponsor sts-sru verification-done xenial yakkety
2017-02-09 04:46:37 Launchpad Janitor os-prober (Ubuntu Xenial): status Fix Committed Fix Released
2017-02-09 04:46:41 Adam Conrad removed subscriber Ubuntu Stable Release Updates Team
2019-03-20 13:14:46 Dan Streetman tags amd64 apport-bug sts sts-sponsor sts-sru verification-done xenial yakkety amd64 apport-bug sts sts-sru verification-done xenial yakkety