This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1367296
Title:
Software RAID1 gets stuck on data check
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
Description: Ubuntu 14.04.1 LTS
Release: 14.04
cat /proc/mdstat shows that md1 (swap) got stuck at 0% during the
nightly data check of the RAID.
In hope of stopping the sync I called
/usr/share/mdadm/checkarray -x -a
This was a bad idea as this command got stuck too and cat /proc/mdstat
was useless afterwards as it did not show anything nor finish.
No idea what to do as I fear a reboot will leave me with a damaged
system.
dmesg showed this multiple times :
[4367634.910108] INFO: task md1_resync:16812 blocked for more than 120
seconds.
[4367634.954575] Not tainted 3.13.0-32-generic #57-Ubuntu
[4367634.978601] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[4367635.028209] md1_resync D ffff885fbf354440 0 16812 2
0x00000000
[4367635.028225] ffff8820386cbbf8 0000000000000002 ffff880dd3ce17f0
ffff8820386cbfd8
[4367635.028230] 0000000000014440 0000000000014440 ffff880dd3ce17f0
ffff8825e4566d00
[4367635.028232] ffff885f75ea84f8 ffff8820386cbc70 ffff885f75ea84e0
ffff885f75ea8480
[4367635.028235] Call Trace:
[4367635.028248] [<ffffffff817200d9>] schedule+0x29/0x70
[4367635.028265] [<ffffffffa0047437>] sync_request+0x227/0xb30 [raid1]
[4367635.028270] [<ffffffff810aaf00>] ? prepare_to_wait_event+0x100/0x100
[4367635.028274] [<ffffffff815a8d33>] md_do_sync+0x9a3/0xdd0
[4367635.028277] [<ffffffff815a58d8>] md_thread+0x118/0x130
[4367635.028279] [<ffffffff815a57c0>] ? mddev_unlock+0xe0/0xe0
[4367635.028282] [<ffffffff8108b3d2>] kthread+0xd2/0xf0
[4367635.028284] [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
[4367635.028288] [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
[4367635.028290] [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-32-generic 3.13.0-32.57
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Sep 3 12:31 seq
crw-rw---- 1 root audio 116, 33 Sep 3 12:31 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Date: Tue Sep 9 15:12:19 2014
HibernationDevice: RESUME=UUID=86aad4c3-b114-4aaa-9cb7-c47ddd1c4c75
InstallationDate: Installed on 2014-07-07 (64 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64
(20140416.2)
MachineType: Supermicro X9DRi-LN4+/X9DR3-LN4+
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic
root=UUID=223f3450-172e-43e3-b99f-205c21f39868 ro nomdmonddf nomdmonisw
RelatedPackageVersions:
linux-restricted-modules-3.13.0-32-generic N/A
linux-backports-modules-3.13.0-32-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)
WifiSyslog:
dmi.bios.date: 05/27/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3.0b
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X9DRi-LN4+/X9DR3-LN4+
dmi.board.vendor: Supermicro
dmi.board.version: REV:1.20A
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 17
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 0123456789
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3.0b:bd05/27/2014:svnSupermicro:pnX9DRi-LN4+/X9DR3-LN4+:pvr0123456789:rvnSupermicro:rnX9DRi-LN4+/X9DR3-LN4+:rvrREV1.20A:cvnSupermicro:ct17:cvr0123456789:
dmi.product.name: X9DRi-LN4+/X9DR3-LN4+
dmi.product.version: 0123456789
dmi.sys.vendor: Supermicro
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