Activity log for bug #1895563

Date Who What changed Old value New value Message
2020-09-14 15:59:11 Brendan Boerner bug added bug
2020-09-14 15:59:11 Brendan Boerner attachment added cat /proc/version_signature > version.log https://bugs.launchpad.net/bugs/1895563/+attachment/5410760/+files/version.log
2020-09-14 16:00:12 Ubuntu Kernel Bot linux (Ubuntu): status New Confirmed
2020-09-14 16:00:41 Brendan Boerner attachment added sudo lspci -vnvn > lspci-vnvn.log https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895563/+attachment/5410773/+files/lspci-vnvn.log
2020-09-14 16:06:04 Brendan Boerner tags amd64 apport-kernelcrash bionic uec-images amd64 apport-collected apport-kernelcrash bionic uec-images
2020-09-14 16:06:06 Brendan Boerner description Platform details: 1) version.log attached 2) lspci-vnvn.log attached 3) lsb_release -rd Description: Ubuntu 18.04.5 LTS Release: 18.04 4) apt-cache policy bcache-tools bcache-tools: Installed: 1.0.8-2ubuntu0.18.04.1 Candidate: 1.0.8-2ubuntu0.18.04.1 Version table: *** 1.0.8-2ubuntu0.18.04.1 500 500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 1.0.8-2build1 500 500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages 5) uname -a: Linux timber4 4.15.0-117-generic #118-Ubuntu SMP Fri Sep 4 20:02:41 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Short problem description: Rsyncing from a 1.4TB home dir to a an new filesystem on a bcache device without an attached cache eventually results in kernel panic. What I expected to happen: no kernel panic. Long problem description: 1) Devices / Filesystems: bfd01: 8*4TB configured as RAID6 using md LVM2 volume group. bfd02: 8*4TB configured as RAID6 using Dell PERC H810 LVM2 volume group. The tree contains 1069685 files / dirs. 2) Steps to reproduce: # Make the device, format and mount it make-bcache -B /dev/vg-bfd02/delme01_bc mkfs.xfs -f -L delme01bc /dev/bcache0 mount /dev/bcache0 /dev/bfd02/delme01bc # Rsync flags="-a --delete" ; info_cmd="--info=progress2" ; excludes=""; src=/mnt/bfd01/delme01 ; tgt=/mnt/bfd02/delme01bc/ ; time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # eventually kernel panic Using incremental rsync it will kernel panic after reading about 21GB. # If instead I use non-incremental rsync it will kernel panic after reading about 1.2-1.3TB. flags="--no-inc-recursive -ax -HAXS --delete" ; info_cmd="--info=progress2" ; excludes=""; ... # eventually kernel panic Additional detail: 1) I was *not* able to reproduce if bfd01/delm01bc was a target and bfd02 was the source e.g. # Rsync flags="-a --delete" ; info_cmd="--info=progress2" ; excludes=""; src=/mnt/bfd02/delme01 ; tgt=/mnt/bfd01/delme01bc/ ; time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # rsync completes successfully 2) I was *not* able to reproduce if I attached and then detached a cache set: ceho 'd3b93488-714e-4efa-af94-cd80fd2db11f' > /sys/block/bcache0/bcache/attach echo 1 > /sys/block/bcache0/bcache/detach ... time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # rsync completes successfully I have 11 compressed kernel crash dumps. I will upload 3 after filing this. Let me know if you want the other 8. ProblemType: KernelCrash DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-117-generic 4.15.0-117.118 ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 Uname: Linux 4.15.0-117-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 13 12:53 seq crw-rw---- 1 root audio 116, 33 Sep 13 12:53 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Sat Sep 12 09:51:37 2020 HibernationDevice: RESUME=none IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Dell Inc. PowerEdge R620 PciMultimedia: ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-117-generic root=UUID=de68d15b-3948-4666-9bc5-5cbecc83971c ro maybe-ubiquity crashkernel=512M-:512M RelatedPackageVersions: linux-restricted-modules-4.15.0-117-generic N/A linux-backports-modules-4.15.0-117-generic N/A linux-firmware 1.173.19 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.9.0 dmi.board.name: 0KCKR5 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd12/06/2019:svnDellInc.:pnPowerEdgeR620:pvr:rvnDellInc.:rn0KCKR5:rvrA00:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R620 dmi.sys.vendor: Dell Inc. Platform details: 1) version.log attached 2) lspci-vnvn.log attached 3) lsb_release -rd Description: Ubuntu 18.04.5 LTS Release: 18.04 4) apt-cache policy bcache-tools bcache-tools: Installed: 1.0.8-2ubuntu0.18.04.1 Candidate: 1.0.8-2ubuntu0.18.04.1 Version table: *** 1.0.8-2ubuntu0.18.04.1 500 500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 1.0.8-2build1 500 500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages 5) uname -a: Linux timber4 4.15.0-117-generic #118-Ubuntu SMP Fri Sep 4 20:02:41 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Short problem description: Rsyncing from a 1.4TB home dir to a an new filesystem on a bcache device without an attached cache eventually results in kernel panic. What I expected to happen: no kernel panic. Long problem description: 1) Devices / Filesystems: bfd01: 8*4TB configured as RAID6 using md LVM2 volume group. bfd02: 8*4TB configured as RAID6 using Dell PERC H810 LVM2 volume group. The tree contains 1069685 files / dirs. 2) Steps to reproduce: # Make the device, format and mount it make-bcache -B /dev/vg-bfd02/delme01_bc mkfs.xfs -f -L delme01bc /dev/bcache0 mount /dev/bcache0 /dev/bfd02/delme01bc # Rsync flags="-a --delete" ; info_cmd="--info=progress2" ; excludes=""; src=/mnt/bfd01/delme01 ; tgt=/mnt/bfd02/delme01bc/ ; time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # eventually kernel panic Using incremental rsync it will kernel panic after reading about 21GB. # If instead I use non-incremental rsync it will kernel panic after reading about 1.2-1.3TB. flags="--no-inc-recursive -ax -HAXS --delete" ; info_cmd="--info=progress2" ; excludes=""; ... # eventually kernel panic Additional detail: 1) I was *not* able to reproduce if bfd01/delm01bc was a target and bfd02 was the source e.g. # Rsync flags="-a --delete" ; info_cmd="--info=progress2" ; excludes=""; src=/mnt/bfd02/delme01 ; tgt=/mnt/bfd01/delme01bc/ ; time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # rsync completes successfully 2) I was *not* able to reproduce if I attached and then detached a cache set: ceho 'd3b93488-714e-4efa-af94-cd80fd2db11f' > /sys/block/bcache0/bcache/attach echo 1 > /sys/block/bcache0/bcache/detach ... time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # rsync completes successfully I have 11 compressed kernel crash dumps. I will upload 3 after filing this. Let me know if you want the other 8. ProblemType: KernelCrash DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-117-generic 4.15.0-117.118 ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 Uname: Linux 4.15.0-117-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 13 12:53 seq crw-rw---- 1 root audio 116, 33 Sep 13 12:53 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Sat Sep 12 09:51:37 2020 HibernationDevice: RESUME=none IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Dell Inc. PowerEdge R620 PciMultimedia: ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-117-generic root=UUID=de68d15b-3948-4666-9bc5-5cbecc83971c ro maybe-ubiquity crashkernel=512M-:512M RelatedPackageVersions: linux-restricted-modules-4.15.0-117-generic N/A linux-backports-modules-4.15.0-117-generic N/A linux-firmware 1.173.19 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.9.0 dmi.board.name: 0KCKR5 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd12/06/2019:svnDellInc.:pnPowerEdgeR620:pvr:rvnDellInc.:rn0KCKR5:rvrA00:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R620 dmi.sys.vendor: Dell Inc. --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 13 12:53 seq crw-rw---- 1 root audio 116, 33 Sep 13 12:53 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=none IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Dell Inc. PowerEdge R620 Package: linux (not installed) PciMultimedia: ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-117-generic root=UUID=de68d15b-3948-4666-9bc5-5cbecc83971c ro maybe-ubiquity crashkernel=512M-:512M ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-117-generic N/A linux-backports-modules-4.15.0-117-generic N/A linux-firmware 1.173.19 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: bionic uec-images Uname: Linux 4.15.0-117-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 12/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.9.0 dmi.board.name: 0KCKR5 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd12/06/2019:svnDellInc.:pnPowerEdgeR620:pvr:rvnDellInc.:rn0KCKR5:rvrA00:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R620 dmi.sys.vendor: Dell Inc.
2020-09-14 16:06:07 Brendan Boerner attachment added CRDA.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410774/+files/CRDA.txt
2020-09-14 16:06:09 Brendan Boerner attachment added CurrentDmesg.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410775/+files/CurrentDmesg.txt
2020-09-14 16:06:11 Brendan Boerner attachment added Lspci.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410776/+files/Lspci.txt
2020-09-14 16:06:12 Brendan Boerner attachment added Lsusb.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410777/+files/Lsusb.txt
2020-09-14 16:06:14 Brendan Boerner attachment added ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410778/+files/ProcCpuinfo.txt
2020-09-14 16:06:16 Brendan Boerner attachment added ProcCpuinfoMinimal.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410779/+files/ProcCpuinfoMinimal.txt
2020-09-14 16:06:17 Brendan Boerner attachment added ProcEnviron.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410780/+files/ProcEnviron.txt
2020-09-14 16:06:19 Brendan Boerner attachment added ProcInterrupts.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410781/+files/ProcInterrupts.txt
2020-09-14 16:06:21 Brendan Boerner attachment added ProcModules.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410782/+files/ProcModules.txt
2020-09-14 16:06:23 Brendan Boerner attachment added UdevDb.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410783/+files/UdevDb.txt
2020-09-14 16:06:25 Brendan Boerner attachment added WifiSyslog.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410784/+files/WifiSyslog.txt
2020-09-14 16:09:32 Brendan Boerner description Platform details: 1) version.log attached 2) lspci-vnvn.log attached 3) lsb_release -rd Description: Ubuntu 18.04.5 LTS Release: 18.04 4) apt-cache policy bcache-tools bcache-tools: Installed: 1.0.8-2ubuntu0.18.04.1 Candidate: 1.0.8-2ubuntu0.18.04.1 Version table: *** 1.0.8-2ubuntu0.18.04.1 500 500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 1.0.8-2build1 500 500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages 5) uname -a: Linux timber4 4.15.0-117-generic #118-Ubuntu SMP Fri Sep 4 20:02:41 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Short problem description: Rsyncing from a 1.4TB home dir to a an new filesystem on a bcache device without an attached cache eventually results in kernel panic. What I expected to happen: no kernel panic. Long problem description: 1) Devices / Filesystems: bfd01: 8*4TB configured as RAID6 using md LVM2 volume group. bfd02: 8*4TB configured as RAID6 using Dell PERC H810 LVM2 volume group. The tree contains 1069685 files / dirs. 2) Steps to reproduce: # Make the device, format and mount it make-bcache -B /dev/vg-bfd02/delme01_bc mkfs.xfs -f -L delme01bc /dev/bcache0 mount /dev/bcache0 /dev/bfd02/delme01bc # Rsync flags="-a --delete" ; info_cmd="--info=progress2" ; excludes=""; src=/mnt/bfd01/delme01 ; tgt=/mnt/bfd02/delme01bc/ ; time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # eventually kernel panic Using incremental rsync it will kernel panic after reading about 21GB. # If instead I use non-incremental rsync it will kernel panic after reading about 1.2-1.3TB. flags="--no-inc-recursive -ax -HAXS --delete" ; info_cmd="--info=progress2" ; excludes=""; ... # eventually kernel panic Additional detail: 1) I was *not* able to reproduce if bfd01/delm01bc was a target and bfd02 was the source e.g. # Rsync flags="-a --delete" ; info_cmd="--info=progress2" ; excludes=""; src=/mnt/bfd02/delme01 ; tgt=/mnt/bfd01/delme01bc/ ; time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # rsync completes successfully 2) I was *not* able to reproduce if I attached and then detached a cache set: ceho 'd3b93488-714e-4efa-af94-cd80fd2db11f' > /sys/block/bcache0/bcache/attach echo 1 > /sys/block/bcache0/bcache/detach ... time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # rsync completes successfully I have 11 compressed kernel crash dumps. I will upload 3 after filing this. Let me know if you want the other 8. ProblemType: KernelCrash DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-117-generic 4.15.0-117.118 ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 Uname: Linux 4.15.0-117-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 13 12:53 seq crw-rw---- 1 root audio 116, 33 Sep 13 12:53 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Sat Sep 12 09:51:37 2020 HibernationDevice: RESUME=none IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Dell Inc. PowerEdge R620 PciMultimedia: ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-117-generic root=UUID=de68d15b-3948-4666-9bc5-5cbecc83971c ro maybe-ubiquity crashkernel=512M-:512M RelatedPackageVersions: linux-restricted-modules-4.15.0-117-generic N/A linux-backports-modules-4.15.0-117-generic N/A linux-firmware 1.173.19 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.9.0 dmi.board.name: 0KCKR5 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd12/06/2019:svnDellInc.:pnPowerEdgeR620:pvr:rvnDellInc.:rn0KCKR5:rvrA00:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R620 dmi.sys.vendor: Dell Inc. --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 13 12:53 seq crw-rw---- 1 root audio 116, 33 Sep 13 12:53 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=none IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Dell Inc. PowerEdge R620 Package: linux (not installed) PciMultimedia: ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-117-generic root=UUID=de68d15b-3948-4666-9bc5-5cbecc83971c ro maybe-ubiquity crashkernel=512M-:512M ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-117-generic N/A linux-backports-modules-4.15.0-117-generic N/A linux-firmware 1.173.19 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: bionic uec-images Uname: Linux 4.15.0-117-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 12/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.9.0 dmi.board.name: 0KCKR5 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd12/06/2019:svnDellInc.:pnPowerEdgeR620:pvr:rvnDellInc.:rn0KCKR5:rvrA00:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R620 dmi.sys.vendor: Dell Inc. Platform details: 1) version.log attached 2) lspci-vnvn.log attached 3) lsb_release -rd Description: Ubuntu 18.04.5 LTS Release: 18.04 4) apt-cache policy bcache-tools bcache-tools: Installed: 1.0.8-2ubuntu0.18.04.1 Candidate: 1.0.8-2ubuntu0.18.04.1 Version table: *** 1.0.8-2ubuntu0.18.04.1 500 500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 1.0.8-2build1 500 500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages 5) uname -a: Linux timber4 4.15.0-117-generic #118-Ubuntu SMP Fri Sep 4 20:02:41 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Short problem description: Rsyncing from a 1.4TB home dir to a an new filesystem on a bcache device without an attached cache eventually results in kernel panic. What I expected to happen: no kernel panic. Long problem description: 1) Devices / Filesystems: bfd01: 8*4TB configured as RAID6 using md LVM2 volume group. bfd02: 8*4TB configured as RAID6 using Dell PERC H810 LVM2 volume group. The tree contains 1069685 files / dirs. 2) Steps to reproduce: # Make the device, format and mount it make-bcache -B /dev/vg-bfd02/delme01_bc mkfs.xfs -f -L delme01bc /dev/bcache0 mount /dev/bcache0 /dev/bfd02/delme01bc # Rsync flags="-a --delete" ; info_cmd="--info=progress2" ; excludes=""; src=/mnt/bfd01/delme01 ; tgt=/mnt/bfd02/delme01bc/ ; time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # eventually kernel panic Using incremental rsync it will kernel panic after reading about 21GB. # If instead I use non-incremental rsync it will kernel panic after reading about 1.2-1.3TB. flags="--no-inc-recursive -ax -HAXS --delete" ; info_cmd="--info=progress2" ; excludes=""; ... # eventually kernel panic Additional detail: 1) I was *not* able to reproduce if bfd01/delm01bc was a target and bfd02 was the source e.g. # Rsync flags="-a --delete" ; info_cmd="--info=progress2" ; excludes=""; src=/mnt/bfd02/delme01 ; tgt=/mnt/bfd01/delme01bc/ ; time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # rsync completes successfully 2) I was *not* able to reproduce if I attached and then detached a cache set: ceho 'd3b93488-714e-4efa-af94-cd80fd2db11f' > /sys/block/bcache0/bcache/attach echo 1 > /sys/block/bcache0/bcache/detach ... time rsync $flags $info_cmd $excludes $src/ $tgt/ ... # rsync completes successfully I have 11 compressed kernel crash dumps. I will upload 3 after filing this. Let me know if you want the other 8. ProblemType: KernelCrash DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-117-generic 4.15.0-117.118 ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 Uname: Linux 4.15.0-117-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 13 12:53 seq crw-rw---- 1 root audio 116, 33 Sep 13 12:53 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Date: Sat Sep 12 09:51:37 2020 HibernationDevice: RESUME=none IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Dell Inc. PowerEdge R620 PciMultimedia: ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-117-generic root=UUID=de68d15b-3948-4666-9bc5-5cbecc83971c ro maybe-ubiquity crashkernel=512M-:512M RelatedPackageVersions: linux-restricted-modules-4.15.0-117-generic N/A linux-backports-modules-4.15.0-117-generic N/A linux-firmware 1.173.19 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.9.0 dmi.board.name: 0KCKR5 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd12/06/2019:svnDellInc.:pnPowerEdgeR620:pvr:rvnDellInc.:rn0KCKR5:rvrA00:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R620 dmi.sys.vendor: Dell Inc. --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 13 12:53 seq crw-rw---- 1 root audio 116, 33 Sep 13 12:53 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=none IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Dell Inc. PowerEdge R620 Package: linux (not installed) PciMultimedia: ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-117-generic root=UUID=de68d15b-3948-4666-9bc5-5cbecc83971c ro maybe-ubiquity crashkernel=512M-:512M ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-117-generic N/A linux-backports-modules-4.15.0-117-generic N/A linux-firmware 1.173.19 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: bionic uec-images Uname: Linux 4.15.0-117-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 12/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.9.0 dmi.board.name: 0KCKR5 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd12/06/2019:svnDellInc.:pnPowerEdgeR620:pvr:rvnDellInc.:rn0KCKR5:rvrA00:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R620 dmi.sys.vendor: Dell Inc. --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Sep 13 12:53 seq crw-rw---- 1 root audio 116, 33 Sep 13 12:53 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.17 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=none IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' MachineType: Dell Inc. PowerEdge R620 Package: linux (not installed) PciMultimedia: ProcFB: 0 mgadrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-117-generic root=UUID=de68d15b-3948-4666-9bc5-5cbecc83971c ro maybe-ubiquity crashkernel=512M-:512M ProcVersionSignature: Ubuntu 4.15.0-117.118-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-117-generic N/A linux-backports-modules-4.15.0-117-generic N/A linux-firmware 1.173.19 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: bionic uec-images Uname: Linux 4.15.0-117-generic x86_64 UnreportableReason: This report is about a package that is not installed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: False dmi.bios.date: 12/06/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.9.0 dmi.board.name: 0KCKR5 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.9.0:bd12/06/2019:svnDellInc.:pnPowerEdgeR620:pvr:rvnDellInc.:rn0KCKR5:rvrA00:cvnDellInc.:ct23:cvr: dmi.product.name: PowerEdge R620 dmi.sys.vendor: Dell Inc.
2020-09-14 16:09:33 Brendan Boerner attachment added CRDA.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410785/+files/CRDA.txt
2020-09-14 16:09:35 Brendan Boerner attachment added CurrentDmesg.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410786/+files/CurrentDmesg.txt
2020-09-14 16:09:38 Brendan Boerner attachment added Lspci.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410787/+files/Lspci.txt
2020-09-14 16:09:39 Brendan Boerner attachment added Lsusb.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410788/+files/Lsusb.txt
2020-09-14 16:09:41 Brendan Boerner attachment added ProcCpuinfoMinimal.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410789/+files/ProcCpuinfoMinimal.txt
2020-09-14 16:09:43 Brendan Boerner attachment added ProcEnviron.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410790/+files/ProcEnviron.txt
2020-09-14 16:09:45 Brendan Boerner attachment added ProcInterrupts.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410791/+files/ProcInterrupts.txt
2020-09-14 16:09:47 Brendan Boerner attachment added ProcModules.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410792/+files/ProcModules.txt
2020-09-14 16:09:48 Brendan Boerner attachment added UdevDb.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410793/+files/UdevDb.txt
2020-09-14 16:09:51 Brendan Boerner attachment added WifiSyslog.txt https://bugs.launchpad.net/bugs/1895563/+attachment/5410794/+files/WifiSyslog.txt
2020-09-21 12:58:24 Mauricio Faria de Oliveira bug added subscriber Mauricio Faria de Oliveira
2020-09-27 15:45:42 Brendan Boerner attachment added dmesg from 4.18.0-25-generic panic https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895563/+attachment/5414734/+files/dmesg.202009261751
2020-10-05 14:42:06 Brendan Boerner attachment added crash files from weekend of 10/3/20 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895563/+attachment/5417903/+files/crash_201003.tar.bz2