This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1397694
Title:
System lockups with utopic kernel
Status in linux package in Ubuntu:
Confirmed
Bug description:
Since upgrading to utopic, I've been experiencing occasional system
lockups - when this occurs, nothing at all is responsive including the
mouse pointer and Alt-SysRq combinations.
Lockups only occur infrequently - perhaps once every day or two days -
so testing this is going to be slow and problematic.
So far, rolling back to the trusty kernel seems to have fixed it, so
it seems unlikely to be a hardware problem.
I'm going to reboot into http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.17.4-vivid/ now and run with that for a few days.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-25-generic 3.16.0-25.33
ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
Uname: Linux 3.16.0-25-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: maxb 3916 F.... pulseaudio
/dev/snd/controlC0: maxb 3916 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Nov 30 15:32:28 2014
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=143e606d-b6a1-4350-af21-aa2f83f8d351
InstallationDate: Installed on 2014-05-29 (185 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
IwConfig:
eth0 no wireless extensions.
virbr0 no wireless extensions.
lo no wireless extensions.
MachineType: Dell Inc. Precision T1700
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-25-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash nomdmonddf nomdmonisw
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-25-generic N/A
linux-backports-modules-3.16.0-25-generic N/A
linux-firmware 1.138
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-11-02 (27 days ago)
dmi.bios.date: 04/25/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 073MMW
dmi.board.vendor: Dell Inc.
dmi.board.version: A02
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA08:bd04/25/2014:svnDellInc.:pnPrecisionT1700:pvr01:rvnDellInc.:rn073MMW:rvrA02:cvnDellInc.:ct6:cvr:
dmi.product.name: Precision T1700
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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