[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1439872
Title:
kernel panic involving drbd
Status in linux package in Ubuntu:
Expired
Bug description:
It was brought to my attention the following kernel panic:
SYSTEM MAP: /boot/System.map-3.16.0-31-generic
DEBUG KERNEL: /usr/lib/debug/boot/vmlinux-3.16.0-31-generic
DUMPFILE: ./dump.201503271156 [PARTIAL DUMP]
CPUS: 12
DATE: Fri Mar 27 12:56:49 2015
UPTIME: 13 days, 19:14:00
LOAD AVERAGE: 1.72, 0.67, 0.28
TASKS: 340
NODENAME: bluegrass3
RELEASE: 3.16.0-31-generic
VERSION: #41~14.04.1-Ubuntu SMP Wed Feb 11 19:30:13 UTC 2015
MACHINE: x86_64 (2397 Mhz)
MEMORY: 63.9 GB
PANIC: "Kernel panic - not syncing: hung_task: blocked tasks"
[1191751.738854] request: minor=1, resource=vm-appserver; but that minor
belongs to resource libvirt
[1191759.892350] drbd vm-database: peer( Secondary -> Unknown ) conn(
Connected -> Disconnecting ) pdsk( UpToDate -> DUnknown )
[1191759.892359] drbd vm-database: asender terminated
[1191759.892362] drbd vm-database: Terminating drbd_a_vm-datab
[1191759.892471] drbd vm-database: Connection closed
[1191759.892480] drbd vm-database: conn( Disconnecting -> StandAlone )
[1191759.892481] drbd vm-database: receiver terminated
[1191759.892485] drbd vm-database: Terminating drbd_r_vm-datab
[1191759.892497] block drbd6: disk( UpToDate -> Failed )
[1191759.902311] block drbd6: bitmap WRITE of 0 pages took 0 jiffies
[1191759.902315] block drbd6: 0 KB (0 bits) marked out-of-sync by on disk
bit-map.
[1191759.902322] block drbd6: disk( Failed -> Diskless )
[1191759.902565] block drbd6: drbd_bm_resize called with capacity == 0
[1191759.902585] drbd vm-database: Terminating drbd_w_vm-datab
[1191992.802513] INFO: task drbdsetup:20254 blocked for more than 120 seconds.
[1191992.834141] Not tainted 3.16.0-31-generic #41~14.04.1-Ubuntu
[1191992.862889] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[1191992.900367] drbdsetup D ffff88085fc53440 0 20254 1
0x00000004
[1191992.900371] ffff880845967ab8 0000000000000086 ffff880abe65c750
ffff880845967fd8
[1191992.900374] 0000000000013440 0000000000013440 ffff8808546d65e0
ffff8808b5365800
[1191992.900378] 0000000000001e00 0000000000000400 000000000000000e
ffff8808b5365a30
[1191992.900388] Call Trace:
[1191992.900398] [<ffffffff817675c9>] schedule+0x29/0x70
[1191992.900407] [<ffffffffc078fba5>] _drbd_request_state+0x65/0xb0 [drbd]
[1191992.900413] [<ffffffff810b4d10>] ? prepare_to_wait_event+0x100/0x100
[1191992.900418] [<ffffffffc0787a3e>] adm_detach.part.52+0x3e/0x100 [drbd]
[1191992.900422] [<ffffffffc07842f1>] ? drbd_adm_prepare.isra.48+0xd1/0x4e0
[drbd]
[1191992.900426] [<ffffffffc0787c49>] drbd_adm_detach+0x149/0x150 [drbd]
[1191992.900431] [<ffffffff81692a39>] genl_family_rcv_msg+0x199/0x380
[1191992.900432] [<ffffffff81692c20>] ? genl_family_rcv_msg+0x380/0x380
[1191992.900434] [<ffffffff81692cb1>] genl_rcv_msg+0x91/0xd0
[1191992.900436] [<ffffffff81690d39>] netlink_rcv_skb+0xa9/0xc0
[1191992.900438] [<ffffffff81691238>] genl_rcv+0x28/0x40
[1191992.900439] [<ffffffff816903f3>] netlink_unicast+0xf3/0x200
[1191992.900441] [<ffffffff81690815>] netlink_sendmsg+0x315/0x680
[1191992.900448] [<ffffffff81333d7d>] ? aa_sk_perm.isra.4+0x6d/0x150
[1191992.900452] [<ffffffff8164625e>] sock_aio_write+0xfe/0x130
[1191992.900456] [<ffffffff811d358a>] do_sync_write+0x5a/0x90
[1191992.900458] [<ffffffff811d4005>] vfs_write+0x195/0x1f0
[1191992.900461] [<ffffffff811d4ac6>] SyS_write+0x46/0xb0
[1191992.900464] [<ffffffff8176b66d>] system_call_fastpath+0x1a/0x1f
[1191992.900465] sending NMI to all CPUs:
Dump at:
http://telsasoft.com/tmp/varcrash-201503271156.tar.bz2
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