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Message #174074
[Bug 1574612] Status changed to Confirmed
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1574612
Title:
Random hangs
Status in linux package in Ubuntu:
Confirmed
Bug description:
System hangs randomly. This mostly occurs anywhere between 15 minutes
and a few hours after boot. Couldn't figure out the trigger. Happened
while viewing YouTube, using Spotify switching to Eclipse etc. SSH
still works, so I can get to the machine if the lockup occurs. That's
how I submitted the bug. All screens freeze though, while audio keeps
on working (like music from Spotify or sound from a YouTube video).
The only thing that seems to keep working UI-wise is the mouse
pointer.
Had memtest running for half an hour without problems.
The issue occurs multiple times a day. Issue doesn't seem to be
triggered if I remove linux-image-4.2.0-35-generic and go back to
linux-image-4.2.0-16-generic. Did use the linux-image-4.2.0-16-generic
kernel for a few days without issues.
The kern.log contains some stacktraces with the method being
'schedule'. This is around the time the hang occurs.
See extra debug information for more info.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-35-generic 4.2.0-35.40
ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5
Uname: Linux 4.2.0-35-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: serrie 1815 F.... pulseaudio
/dev/snd/pcmC0D0c: serrie 1815 F...m pulseaudio
/dev/snd/controlC0: serrie 1815 F.... pulseaudio
Date: Mon Apr 25 13:56:48 2016
InstallationDate: Installed on 2016-04-12 (13 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
IwConfig:
docker0 no wireless extensions.
enp4s0 no wireless extensions.
lo no wireless extensions.
MachineType: System manufacturer System Product Name
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-35-generic root=UUID=c15a8aa0-fb21-495c-bbc6-ea4f2018dc1f ro quiet splash vt.handoff=7
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.2.0-35-generic N/A
linux-backports-modules-4.2.0-35-generic N/A
linux-firmware 1.149.3
RfKill:
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: Upgraded to wily on 2016-04-22 (3 days ago)
dmi.bios.date: 01/27/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0505
dmi.board.asset.tag: Default string
dmi.board.name: B150M-A D3
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0505:bd01/27/2016:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnB150M-AD3:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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References