Vazhnov Alexey, thank you for reporting this and helping make Ubuntu better.
Could you please test the latest upstream kernel available (3.15-rc6) following
https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional
upstream developers to examine the issue. Once you've tested the upstream
kernel, please comment on which kernel version specifically you tested. If this
bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER
where VERSION-NUMBER is the version number of the kernel you tested. For
example:
kernel-fixed-upstream-3.15-rc6
This can be done by clicking on the yellow circle with a black pencil icon next
to the word Tags located at the bottom of the bug description. As well, please
remove the tag:
needs-upstream-testing
If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER
As well, please remove the tag:
needs-upstream-testing
Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.
** Tags added: latest-bios-0132
** Tags added: regression-release
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Summary changed:
- rcu_sched self-detected stall on CPU
+ [Intel D525MWV] rcu_sched self-detected stall on CPU
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https://bugs.launchpad.net/bugs/1322957
Title:
[Intel D525MWV] rcu_sched self-detected stall on CPU
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Motherboard D525MWV with Intel Atom D525 worked fine in Ubuntu server
12.04, but when I installed Ubuntu server 14.04, random processes
crashed periodically with this message. I updated motherboard BIOS,
but it did not helped.
Kernel 3.13.0-24-generic i686.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.47
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.13.0-24-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: i386
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c',
'/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D2c', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
Date: Sun May 25 12:40:15 2014
HibernationDevice: RESUME=UUID=c746311d-afe7-409e-89db-96f7df430979
InstallationDate: Installed on 2014-05-17 (7 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release i386
(20140416.2)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=ru_RU.UTF-8
SHELL=/bin/zsh
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic
root=UUID=11d4cb14-db70-4f96-b841-742d20fa24c0 ro nmi_watchdog=0
RelatedPackageVersions:
linux-restricted-modules-3.13.0-24-generic N/A
linux-backports-modules-3.13.0-24-generic N/A
linux-firmware 1.127.2
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/26/2013
dmi.bios.vendor: Intel Corp.
dmi.bios.version: MWPNT10N.86A.0132.2013.0726.1534
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: D525MWV
dmi.board.vendor: Intel Corporation
dmi.board.version: AAE93081-400
dmi.chassis.type: 2
dmi.modalias:
dmi:bvnIntelCorp.:bvrMWPNT10N.86A.0132.2013.0726.1534:bd07/26/2013:svn:pn:pvr:rvnIntelCorporation:rnD525MWV:rvrAAE93081-400:cvn:ct2:cvr:
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