Activity log for bug #1531455

Date Who What changed Old value New value Message
2016-01-06 10:29:10 Christian Bachmaier bug added bug
2016-01-06 10:29:10 Christian Bachmaier attachment added apport.linux-image-4.3.0-5-generic.8omxt4_7.apport https://bugs.launchpad.net/bugs/1531455/+attachment/4544867/+files/apport.linux-image-4.3.0-5-generic.8omxt4_7.apport
2016-01-06 10:30:10 Brad Figg linux (Ubuntu): status New Incomplete
2016-01-06 10:39:54 Christian Bachmaier tags apport-collected xenial
2016-01-06 10:39:55 Christian Bachmaier description Running 16.04 server without X unter latest Oracle Virtual Box 5.0.12 on Windows. After issuing 'shutdown -r now' the following boot process is not successfull and hangs with message ---[ end of Kernel panic - not syncing: VFS: unable to mound root fs on unknown-block(0,0) If using 'shutdown -h now' and then staring the machine anew from Virtual Box manager, then the system starts as it should. Thus, for short, warm reboot hangs and cold reboot operates as desired. I have the feeling that this behavour was introduced with kernel 4.3, but I cannot swear on it. Imho, may also be a bug of Virtual Box. The result of ubuntu-bug linux is attached. Running 16.04 server without X unter latest Oracle Virtual Box 5.0.12 on Windows. After issuing 'shutdown -r now' the following boot process is not successfull and hangs with message ---[ end of Kernel panic - not syncing: VFS: unable to mound root fs on unknown-block(0,0) If using 'shutdown -h now' and then staring the machine anew from Virtual Box manager, then the system starts as it should. Thus, for short, warm reboot hangs and cold reboot operates as desired. I have the feeling that this behavour was introduced with kernel 4.3, but I cannot swear on it. Imho, may also be a bug of Virtual Box. The result of ubuntu-bug linux is attached. --- AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig: enp0s3 no wireless extensions. lo no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions: linux-restricted-modules-4.3.0-5-generic N/A linux-backports-modules-4.3.0-5-generic N/A linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH
2016-01-06 10:39:56 Christian Bachmaier attachment added CRDA.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544871/+files/CRDA.txt
2016-01-06 10:39:57 Christian Bachmaier attachment added CurrentDmesg.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544872/+files/CurrentDmesg.txt
2016-01-06 10:39:59 Christian Bachmaier attachment added JournalErrors.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544873/+files/JournalErrors.txt
2016-01-06 10:40:01 Christian Bachmaier attachment added Lspci.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544874/+files/Lspci.txt
2016-01-06 10:40:02 Christian Bachmaier attachment added ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544875/+files/ProcCpuinfo.txt
2016-01-06 10:40:03 Christian Bachmaier attachment added ProcEnviron.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544876/+files/ProcEnviron.txt
2016-01-06 10:40:05 Christian Bachmaier attachment added ProcInterrupts.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544877/+files/ProcInterrupts.txt
2016-01-06 10:40:06 Christian Bachmaier attachment added ProcModules.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544878/+files/ProcModules.txt
2016-01-06 10:40:07 Christian Bachmaier attachment added UdevDb.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544879/+files/UdevDb.txt
2016-01-06 10:40:09 Christian Bachmaier attachment added WifiSyslog.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544880/+files/WifiSyslog.txt
2016-01-06 10:42:51 Christian Bachmaier description Running 16.04 server without X unter latest Oracle Virtual Box 5.0.12 on Windows. After issuing 'shutdown -r now' the following boot process is not successfull and hangs with message ---[ end of Kernel panic - not syncing: VFS: unable to mound root fs on unknown-block(0,0) If using 'shutdown -h now' and then staring the machine anew from Virtual Box manager, then the system starts as it should. Thus, for short, warm reboot hangs and cold reboot operates as desired. I have the feeling that this behavour was introduced with kernel 4.3, but I cannot swear on it. Imho, may also be a bug of Virtual Box. The result of ubuntu-bug linux is attached. --- AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig: enp0s3 no wireless extensions. lo no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions: linux-restricted-modules-4.3.0-5-generic N/A linux-backports-modules-4.3.0-5-generic N/A linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH Running 16.04 server without X unter latest Oracle Virtual Box 5.0.12 on Windows. After issuing 'shutdown -r now' the following boot process is not successfull and hangs with message ---[ end of Kernel panic - not syncing: VFS: unable to mound root fs on unknown-block(0,0) If using 'shutdown -h now' and then staring the machine anew from Virtual Box manager, then the system starts as it should. Thus, for short, warm reboot hangs and cold reboot operates as desired. I have the feeling that this behavour was introduced with kernel 4.3, but I cannot swear on it. Imho, may also be a bug of Virtual Box. The result of ubuntu-bug linux is attached. --- AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig: enp0s3 no wireless extensions. lo no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions: linux-restricted-modules-4.3.0-5-generic N/A linux-backports-modules-4.3.0-5-generic N/A linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH --- AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig: enp0s3 no wireless extensions. lo no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions: linux-restricted-modules-4.3.0-5-generic N/A linux-backports-modules-4.3.0-5-generic N/A linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH
2016-01-06 10:42:52 Christian Bachmaier attachment added CRDA.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544881/+files/CRDA.txt
2016-01-06 10:42:54 Christian Bachmaier attachment added CurrentDmesg.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544882/+files/CurrentDmesg.txt
2016-01-06 10:42:55 Christian Bachmaier attachment added JournalErrors.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544883/+files/JournalErrors.txt
2016-01-06 10:42:57 Christian Bachmaier attachment added Lspci.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544884/+files/Lspci.txt
2016-01-06 10:42:59 Christian Bachmaier attachment added ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544885/+files/ProcCpuinfo.txt
2016-01-06 10:43:00 Christian Bachmaier attachment added ProcEnviron.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544886/+files/ProcEnviron.txt
2016-01-06 10:43:01 Christian Bachmaier attachment added ProcInterrupts.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544887/+files/ProcInterrupts.txt
2016-01-06 10:43:02 Christian Bachmaier attachment added ProcModules.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544888/+files/ProcModules.txt
2016-01-06 10:43:03 Christian Bachmaier attachment added UdevDb.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544889/+files/UdevDb.txt
2016-01-06 10:43:05 Christian Bachmaier attachment added WifiSyslog.txt https://bugs.launchpad.net/bugs/1531455/+attachment/4544890/+files/WifiSyslog.txt
2016-01-06 10:45:49 Christian Bachmaier linux (Ubuntu): status Incomplete Confirmed
2016-01-06 12:24:19 penalvch attachment removed WifiSyslog.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544880/+files/WifiSyslog.txt
2016-01-06 12:24:20 penalvch attachment removed UdevDb.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544879/+files/UdevDb.txt
2016-01-06 12:24:21 penalvch attachment removed ProcModules.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544878/+files/ProcModules.txt
2016-01-06 12:24:22 penalvch attachment removed ProcInterrupts.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544877/+files/ProcInterrupts.txt
2016-01-06 12:24:23 penalvch attachment removed ProcEnviron.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544876/+files/ProcEnviron.txt
2016-01-06 12:24:25 penalvch attachment removed ProcCpuinfo.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544875/+files/ProcCpuinfo.txt
2016-01-06 12:24:25 penalvch attachment removed Lspci.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544874/+files/Lspci.txt
2016-01-06 12:24:26 penalvch attachment removed JournalErrors.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544873/+files/JournalErrors.txt
2016-01-06 12:24:27 penalvch attachment removed CurrentDmesg.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544872/+files/CurrentDmesg.txt
2016-01-06 12:24:31 penalvch attachment removed CRDA.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544871/+files/CRDA.txt
2016-01-06 12:24:32 penalvch attachment removed apport.linux-image-4.3.0-5-generic.8omxt4_7.apport https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1531455/+attachment/4544867/+files/apport.linux-image-4.3.0-5-generic.8omxt4_7.apport
2016-01-06 12:25:58 penalvch description Running 16.04 server without X unter latest Oracle Virtual Box 5.0.12 on Windows. After issuing 'shutdown -r now' the following boot process is not successfull and hangs with message ---[ end of Kernel panic - not syncing: VFS: unable to mound root fs on unknown-block(0,0) If using 'shutdown -h now' and then staring the machine anew from Virtual Box manager, then the system starts as it should. Thus, for short, warm reboot hangs and cold reboot operates as desired. I have the feeling that this behavour was introduced with kernel 4.3, but I cannot swear on it. Imho, may also be a bug of Virtual Box. The result of ubuntu-bug linux is attached. --- AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig: enp0s3 no wireless extensions. lo no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions: linux-restricted-modules-4.3.0-5-generic N/A linux-backports-modules-4.3.0-5-generic N/A linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH --- AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig: enp0s3 no wireless extensions. lo no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions: linux-restricted-modules-4.3.0-5-generic N/A linux-backports-modules-4.3.0-5-generic N/A linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH Running 16.04 server without X under latest Oracle Virtual Box 5.0.12 on Windows. After issuing 'shutdown -r now' the following boot process is not successful and hangs with message: ---[ end of Kernel panic - not syncing: VFS: unable to mound root fs on unknown-block(0,0) If using 'shutdown -h now' and then staring the machine anew from Virtual Box manager, then the system starts as it should. Thus, for short, warm reboot hangs and cold reboot operates as desired. I have the feeling that this behavior was introduced with kernel 4.3, but I cannot swear on it. --- AlsaDevices:  total 0  crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq  crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig:  enp0s3 no wireless extensions.  lo no wireless extensions. Lsusb:  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions:  linux-restricted-modules-4.3.0-5-generic N/A  linux-backports-modules-4.3.0-5-generic N/A  linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH
2016-01-06 12:26:07 penalvch tags apport-collected xenial apport-collected regression-potential xenial
2016-01-06 12:27:07 penalvch linux (Ubuntu): importance Undecided Medium
2016-01-06 12:27:07 penalvch linux (Ubuntu): status Confirmed Incomplete
2016-01-07 06:51:02 Christian Bachmaier tags apport-collected regression-potential xenial apport-collected kernel-bug-exists-upstream kernel-bug-exists-upstream-4.4-rc8 regression-potential xenial
2016-01-07 06:51:28 Christian Bachmaier linux (Ubuntu): status Incomplete Confirmed
2016-01-08 06:37:23 penalvch linux (Ubuntu): status Confirmed Incomplete
2016-01-08 08:57:13 Christian Bachmaier linux (Ubuntu): status Incomplete Confirmed
2016-01-08 10:13:02 penalvch linux (Ubuntu): status Confirmed Incomplete
2016-01-08 11:19:45 penalvch description Running 16.04 server without X under latest Oracle Virtual Box 5.0.12 on Windows. After issuing 'shutdown -r now' the following boot process is not successful and hangs with message: ---[ end of Kernel panic - not syncing: VFS: unable to mound root fs on unknown-block(0,0) If using 'shutdown -h now' and then staring the machine anew from Virtual Box manager, then the system starts as it should. Thus, for short, warm reboot hangs and cold reboot operates as desired. I have the feeling that this behavior was introduced with kernel 4.3, but I cannot swear on it. --- AlsaDevices:  total 0  crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq  crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig:  enp0s3 no wireless extensions.  lo no wireless extensions. Lsusb:  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions:  linux-restricted-modules-4.3.0-5-generic N/A  linux-backports-modules-4.3.0-5-generic N/A  linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH Running 16.04 server without X under latest Oracle Virtual Box 5.0.12 on Windows. After issuing 'shutdown -r now' the following boot process is not successful and hangs with message: ---[ end of Kernel panic - not syncing: VFS: unable to mound root fs on unknown-block(0,0) If using 'shutdown -h now' and then staring the machine anew from Virtual Box manager, then the system starts as it should. Thus, for short, warm reboot hangs and cold reboot operates as desired. I have the feeling that this behavior was introduced with kernel 4.3, but I cannot swear on it. WORKAROUND: Switch network adapter type to Intel Pro/1000 MT Desktop from paravirtualized network (virtio-net). --- AlsaDevices:  total 0  crw-rw----+ 1 root audio 116, 1 Jan 6 11:34 seq  crw-rw----+ 1 root audio 116, 33 Jan 6 11:34 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.19.3-0ubuntu2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=cbc2edd0-9886-40c6-bf14-d75f638fc4cf InstallationDate: Installed on 2015-12-23 (14 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151115) IwConfig:  enp0s3 no wireless extensions.  lo no wireless extensions. Lsusb:  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub  Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=07e383b5-7e12-4530-8ae0-75c104f67e2b ro ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 RelatedPackageVersions:  linux-restricted-modules-4.3.0-5-generic N/A  linux-backports-modules-4.3.0-5-generic N/A  linux-firmware 1.154 RfKill: Error: [Errno 2] No such file or directory Tags: xenial UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.3.0-5-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH
2016-01-08 11:19:52 penalvch affects linux (Ubuntu) virtualbox (Ubuntu)
2016-01-08 11:19:52 penalvch virtualbox (Ubuntu): status Incomplete New
2016-01-08 11:20:12 penalvch tags apport-collected kernel-bug-exists-upstream kernel-bug-exists-upstream-4.4-rc8 regression-potential xenial apport-collected regression-potential xenial
2016-01-08 19:59:15 penalvch virtualbox (Ubuntu): status New Triaged
2016-01-08 20:10:45 Gianfranco Costamagna virtualbox (Ubuntu): importance Medium High
2017-06-21 20:07:05 penalvch removed subscriber Christopher M. Penalver