Public bug reported:
Servers periodically became unresponsive, and report the following
problem:
Jul 28 01:26:36 osd1-05 kernel: [1644406.270794] kworker/12:2 D
ffff88085fcd3180 0 25000 2 0x00000000
Jul 28 01:26:36 osd1-05 kernel: [1644406.270813] Workqueue: dio/bdev
dio_aio_complete_work
Jul 28 01:26:36 osd1-05 kernel: [1644406.270821] ffff88003694dc10
0000000000000046 ffff8805621b4800 0000000000013180
Jul 28 01:26:36 osd1-05 kernel: [1644406.270830] ffff88003694dfd8
0000000000013180 ffff8805621b4800 ffff88003694dd38
Jul 28 01:26:36 osd1-05 kernel: [1644406.270836] ffff88003694dd40
7fffffffffffffff ffff8805621b4800 00000000a6fd7000
Jul 28 01:26:36 osd1-05 kernel: [1644406.270842] Call Trace:
Jul 28 01:26:36 osd1-05 kernel: [1644406.270857] [<ffffffff8172dce9>]
schedule+0x29/0x70
Jul 28 01:26:36 osd1-05 kernel: [1644406.270870] [<ffffffff8172cf39>]
schedule_timeout+0x279/0x310
Jul 28 01:26:36 osd1-05 kernel: [1644406.270880] [<ffffffff815ae3f5>] ?
md_make_request+0xd5/0x220
Jul 28 01:26:36 osd1-05 kernel: [1644406.270889] [<ffffffff8172e7f6>]
wait_for_completion+0xa6/0x150
Jul 28 01:26:36 osd1-05 kernel: [1644406.270900] [<ffffffff8109d2a0>] ?
wake_up_state+0x20/0x20
Jul 28 01:26:36 osd1-05 kernel: [1644406.270906] [<ffffffff811f7f7e>]
submit_bio_wait+0x5e/0x70
Jul 28 01:26:36 osd1-05 kernel: [1644406.270914] [<ffffffff81343c3a>]
blkdev_issue_flush+0x5a/0x90
Jul 28 01:26:36 osd1-05 kernel: [1644406.270919] [<ffffffff811fa7b5>]
blkdev_fsync+0x35/0x50
Jul 28 01:26:36 osd1-05 kernel: [1644406.270928] [<ffffffff811f16d8>]
generic_write_sync+0x48/0x60
Jul 28 01:26:36 osd1-05 kernel: [1644406.270934] [<ffffffff811fcc73>]
dio_complete+0x103/0x120
Jul 28 01:26:36 osd1-05 kernel: [1644406.270939] [<ffffffff811fcde1>]
dio_aio_complete_work+0x21/0x30
Jul 28 01:26:36 osd1-05 kernel: [1644406.270948] [<ffffffff81086028>]
process_one_work+0x178/0x470
Jul 28 01:26:36 osd1-05 kernel: [1644406.270953] [<ffffffff81086807>] ?
manage_workers.isra.25+0x1f7/0x2e0
Jul 28 01:26:36 osd1-05 kernel: [1644406.270959] [<ffffffff81086e41>]
worker_thread+0x121/0x410
Jul 28 01:26:36 osd1-05 kernel: [1644406.270964] [<ffffffff81086d20>] ?
rescuer_thread+0x430/0x430
Jul 28 01:26:36 osd1-05 kernel: [1644406.270971] [<ffffffff8108dc29>]
kthread+0xc9/0xe0
Jul 28 01:26:36 osd1-05 kernel: [1644406.270976] [<ffffffff8108db60>] ?
kthread_create_on_node+0x1c0/0x1c0
Jul 28 01:26:36 osd1-05 kernel: [1644406.270984] [<ffffffff8173a328>]
ret_from_fork+0x58/0x90
Jul 28 01:26:36 osd1-05 kernel: [1644406.270988] [<ffffffff8108db60>] ?
kthread_create_on_node+0x1c0/0x1c0
Jul 28 01:28:36 osd1-05 kernel: [1644526.317504] INFO: task kworker/12:2:25000
blocked for more than 120 seconds.
Jul 28 01:28:36 osd1-05 kernel: [1644526.326399] Not tainted
3.13.0-87-generic #133-Ubuntu
The actual raid configurations is:
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4]
[raid10]
md0 : active raid1 sdb1[1] sda1[0]
937123648 blocks super 1.2 [2/2] [UU]
md1 : active raid1 sdb2[1] sda2[0]
39473024 blocks super 1.2 [2/2] [UU]
md60 : active raid6 sdw[0] sdz[3] sdaa[4] sdx[1] sdy[2]
585689088 blocks super 1.2 level 6, 512k chunk, algorithm 2 [5/5] [UUUUU]
unused devices: <none>
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-87-generic 3.13.0-87.133
ProcVersionSignature: Ubuntu 3.13.0-87.133-generic 3.13.11-ckt39
Uname: Linux 3.13.0-87-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jul 28 06:17 seq
crw-rw---- 1 root audio 116, 33 Jul 28 06:17 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.14.1-0ubuntu3.21
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'
CurrentDmesg: [ 29.441344] init: plymouth-upstart-bridge main process ended,
respawning
Date: Thu Jul 28 07:33:28 2016
HibernationDevice: RESUME=UUID=a049dacc-3f5b-4282-b507-24d3a7382389
Lsusb:
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0557:2221 ATEN International Co., Ltd Winbond Hermon
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Supermicro SSG-6047R-E1R36L
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-87-generic
root=UUID=7052bcbe-dccf-47e4-a7f7-a95a09176541 ro quiet nomdmonddf nomdmonisw
crashkernel=384M-:512M
RelatedPackageVersions:
linux-restricted-modules-3.13.0-87-generic N/A
linux-backports-modules-3.13.0-87-generic N/A
linux-firmware 1.127.22
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 12/05/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3.0a
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X9DRD-7LN4F
dmi.board.vendor: Supermicro
dmi.board.version: REV:1.02
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 1
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 0123456789
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3.0a:bd12/05/2013:svnSupermicro:pnSSG-6047R-E1R36L:pvr0123456789:rvnSupermicro:rnX9DRD-7LN4F:rvrREV1.02:cvnSupermicro:ct1:cvr0123456789:
dmi.product.name: SSG-6047R-E1R36L
dmi.product.version: 0123456789
dmi.sys.vendor: Supermicro
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty uec-images
** Attachment added: "syslog"
https://bugs.launchpad.net/bugs/1607239/+attachment/4708579/+files/syslog.1
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https://bugs.launchpad.net/bugs/1607239
Title:
mdadm raid gets frozen
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