** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1779063
Title:
Occasional kernel panic on shutdown in ext4 code (dquot_drop)
Status in linux package in Ubuntu:
Confirmed
Bug description:
Occasionally (about once every three weeks) my machine experiences a
kernel panic somewhere in the ext4 code on shutdown (and only on
shutdown).
Ubuntu Version: 18.04, x86-64
Platform: AMD Ryzen R7 2700 on an Asrock AB350M-Pro4 mainboard.
I attached two photos of the panic messages, one occurring on May
16th, the other on June 26th. The call trace is identical in both.
Given how similar the messages are, I don't think this is an
intermittent machine-related glitch. As of yet, however, I could not
identify a pattern on when the issue occurs.
Kernel versions:
- May 16th: 4.15.0-20-generic
- June 26th: 4.15.0-23-generic
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: maik 1743 F.... pulseaudio
/dev/snd/controlC1: maik 1743 F.... pulseaudio
/dev/snd/controlC0: maik 1743 F.... pulseaudio
CurrentDesktop: GNOME
DistroRelease: Ubuntu 18.04
HibernationDevice: RESUME=UUID=a4be9bd2-a879-438d-be59-41d095ad18fb
InstallationDate: Installed on 2017-08-25 (306 days ago)
InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-23-generic
root=UUID=20c38f5a-e4d2-4cee-9daa-84a848f15452 ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-23-generic N/A
linux-backports-modules-4.15.0-23-generic N/A
linux-firmware 1.173.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: bionic
Uname: Linux 4.15.0-23-generic x86_64
UpgradeStatus: Upgraded to bionic on 2018-04-26 (62 days ago)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 05/08/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: L4.82
dmi.board.name: AB350M Pro4
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrL4.82:bd05/08/2018:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnAB350MPro4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
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