apport information ** Tags added: apport-collected
** Description changed: lsb_release -rd Description: Ubuntu 16.04.5 LTS Release: 16.04 uname -a Linux metabox 4.4.0-139-generic #165-Ubuntu SMP Wed Oct 24 10:58:50 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux Steps (1) to reproduce: 1) Plug in a USB3 hard drive. 2) Right click on launcher icon. 3) Select "Safely Remove". After finding this: https://askubuntu.com/a/532691 ...the following steps also reproduce the problem. Steps (2) to reproduce: 1) Plugin in a USB3 hard drive. 2) udisksctl unmount -b /dev/sdXY 3) udisksctl power-off -b /dev/sdX System completely locks and becomes unresponsive, such that even the Magic SysRq key combination does nothing. Most of the time the fans on my laptop go crazy (so the CPU must get stuck in some loop), but once they did not and the system was just locked (without the fans going nuts). - I can't get a textual copy of the kernel bug log (because I have to do a - hard reset to regain control of the system and the output doesn't get - flushed to disk), but I did manage to get a photo of some of it (please - refer to attachment). + I can't get a textual copy of the kernel bug log (because I have to do a hard reset to regain control of the system and the output doesn't get flushed to disk), but I did manage to get a photo of some of it (please refer to attachment). + --- + ApportVersion: 2.20.1-0ubuntu2.18 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/pcmC1D0p: matt 2754 F...m pulseaudio + /dev/snd/controlC1: matt 2754 F.... pulseaudio + /dev/snd/controlC0: matt 2754 F.... pulseaudio + CurrentDesktop: Unity + DistroRelease: Ubuntu 16.04 + EcryptfsInUse: Yes + HibernationDevice: RESUME=UUID=f00235c0-ba8a-4403-91b1-64e9d87b76e0 + InstallationDate: Installed on 2016-04-23 (940 days ago) + InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) + MachineType: Notebook N150SD/N155SD + NonfreeKernelModules: zfs zunicode zcommon znvpair zavl + Package: linux (not installed) + ProcFB: 0 inteldrmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-139-generic root=UUID=beb9b9ce-39a7-464a-978c-ac4fb82a5a81 ro quiet splash + ProcVersionSignature: Ubuntu 4.4.0-139.165-generic 4.4.160 + RelatedPackageVersions: + linux-restricted-modules-4.4.0-139-generic N/A + linux-backports-modules-4.4.0-139-generic N/A + linux-firmware 1.157.20 + Tags: xenial + Uname: Linux 4.4.0-139-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers wireshark + _MarkForUpload: True + dmi.bios.date: 03/31/2015 + dmi.bios.vendor: American Megatrends Inc. + dmi.bios.version: 1.03.05 + dmi.board.asset.tag: Tag 12345 + dmi.board.name: N150SD/N155SD + dmi.board.vendor: Notebook + dmi.board.version: Not Applicable + dmi.chassis.asset.tag: No Asset Tag + dmi.chassis.type: 9 + dmi.chassis.vendor: Notebook + dmi.chassis.version: N/A + dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.03.05:bd03/31/2015:svnNotebook:pnN150SD/N155SD:pvrNotApplicable:rvnNotebook:rnN150SD/N155SD:rvrNotApplicable:cvnNotebook:ct9:cvrN/A: + dmi.product.name: N150SD/N155SD + dmi.product.version: Not Applicable + dmi.sys.vendor: Notebook ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1803929/+attachment/5214089/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1803929 Title: Summary: Kernel bug (unhandled paging request) on "udisksctl power- off" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803929/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
