Public bug reported:
Hi,
this bug appeared in Ubuntu 14.04, Ubuntu 12.04 didn't show this behavior.
I've found a possible predecessor in bug #212684.
Switching to a recent mainline kernel didn't fix this issue.
Starting
$ /usr/share/mdadm/checkarray /dev/md3
will repeat this behavior.
/dev/md3 is a LVM PV:
--- Physical volume ---
PV Name /dev/md3
VG Name local_vg1
PV Size 1.36 TiB / not usable 2.25 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 355619
Free PE 31011
Allocated PE 324608
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-33-generic 3.13.0-33.58
ProcVersionSignature: Ubuntu 3.13.0-33.58-generic 3.13.11.4
Uname: Linux 3.13.0-33-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.13.0-33-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.14.1-0ubuntu3.3
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/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: Wed Aug 13 21:42:12 2014
HibernationDevice: RESUME=UUID=c4a03c5e-f650-4ca8-9dab-f0c4ad12c901
InstallationDate: Installed on 2014-07-06 (37 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release i386
(20140416.2)
IwConfig:
lo no wireless extensions.
em1 no wireless extensions.
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-33-generic
root=UUID=9c2715cb-dd8a-4687-9537-009e1e4e83d8 ro nomdmonddf nomdmonisw
RelatedPackageVersions:
linux-restricted-modules-3.13.0-33-generic N/A
linux-backports-modules-3.13.0-33-generic N/A
linux-firmware 1.127.5
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/19/2010
dmi.bios.vendor: Intel Corp.
dmi.bios.version: JT94510H.86A.0045.2010.0519.1750
dmi.board.name: D945GSEJT
dmi.board.vendor: Intel Corporation
dmi.board.version: AAE57850-300
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrJT94510H.86A.0045.2010.0519.1750:bd05/19/2010:svn:pn:pvr:rvnIntelCorporation:rnD945GSEJT:rvrAAE57850-300:cvn:ct3:cvr:
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-bug i386 trusty
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https://bugs.launchpad.net/bugs/1356558
Title:
BUG: soft lockup - CPU stuck for 22s! [md3_raid1]
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