[Pkg-xen-devel] Bug#820862: AW: Bug#820862: Acknowledgement (xen-hypervisor-4.4-amd64: Xen VM on Jessie freezes often with INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds)

MySign AG - Infrastrcture infrastructure at mysign.ch
Tue Apr 19 12:33:08 UTC 2016 

Dear XEN-Team


I've set up a complete new VM, tested copying and backuping with following error again:

[ 1920.052129] INFO: task jbd2/xvda2-8:98 blocked for more than 120 seconds.
[ 1920.052143]       Not tainted 3.16.0-4-amd64 #1
[ 1920.052147] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1920.052153] jbd2/xvda2-8    D ffff880004986e78     0    98      2 0x00000000
[ 1920.052163]  ffff880004986a20 0000000000000246 0000000000012f00 ffff8800047ebfd8
[ 1920.052171]  0000000000012f00 ffff880004986a20 ffff8800ff3137b0 ffff8800ff80c260
[ 1920.052179]  0000000000000002 ffffffff811d7620 ffff8800047ebc80 ffff880002a5c7c0
[ 1920.052187] Call Trace:
[ 1920.052199]  [<ffffffff811d7620>] ? generic_block_bmap+0x50/0x50
[ 1920.052208]  [<ffffffff815114a9>] ? io_schedule+0x99/0x120
[ 1920.052214]  [<ffffffff811d762a>] ? sleep_on_buffer+0xa/0x10
[ 1920.052220]  [<ffffffff8151182c>] ? __wait_on_bit+0x5c/0x90
[ 1920.052226]  [<ffffffff811d7620>] ? generic_block_bmap+0x50/0x50
[ 1920.052232]  [<ffffffff815118d7>] ? out_of_line_wait_on_bit+0x77/0x90
[ 1920.052241]  [<ffffffff810a7e90>] ? autoremove_wake_function+0x30/0x30
[ 1920.052257]  [<ffffffffa0054b49>] ? jbd2_journal_commit_transaction+0xe79/0x1950 [jbd2]
[ 1920.052320]  [<ffffffff8100331e>] ? xen_end_context_switch+0xe/0x20
[ 1920.052327]  [<ffffffff810912f6>] ? finish_task_switch+0x46/0xf0
[ 1920.052331]  [<ffffffff815141a3>] ? _raw_spin_unlock_irqrestore+0x13/0x20
[ 1920.052338]  [<ffffffffa0058be2>] ? kjournald2+0xb2/0x240 [jbd2]
[ 1920.052341]  [<ffffffff810a7e60>] ? prepare_to_wait_event+0xf0/0xf0
[ 1920.052347]  [<ffffffffa0058b30>] ? commit_timeout+0x10/0x10 [jbd2]
[ 1920.052353]  [<ffffffff8108809d>] ? kthread+0xbd/0xe0
[ 1920.052357]  [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 1920.052361]  [<ffffffff81514958>] ? ret_from_fork+0x58/0x90
[ 1920.052365]  [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 2040.052128] INFO: task jbd2/xvda2-8:98 blocked for more than 120 seconds.
[ 2040.052142]       Not tainted 3.16.0-4-amd64 #1
[ 2040.052147] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2040.052153] jbd2/xvda2-8    D ffff880004986e78     0    98      2 0x00000000
[ 2040.052163]  ffff880004986a20 0000000000000246 0000000000012f00 ffff8800047ebfd8
[ 2040.052172]  0000000000012f00 ffff880004986a20 ffff8800ff3137b0 ffff8800ff80c260
[ 2040.052181]  0000000000000002 ffffffff811d7620 ffff8800047ebc80 ffff880002a5c7c0
[ 2040.052190] Call Trace:
[ 2040.052200]  [<ffffffff811d7620>] ? generic_block_bmap+0x50/0x50
[ 2040.052208]  [<ffffffff815114a9>] ? io_schedule+0x99/0x120
[ 2040.052214]  [<ffffffff811d762a>] ? sleep_on_buffer+0xa/0x10
[ 2040.052221]  [<ffffffff8151182c>] ? __wait_on_bit+0x5c/0x90
[ 2040.052227]  [<ffffffff811d7620>] ? generic_block_bmap+0x50/0x50
[ 2040.052233]  [<ffffffff815118d7>] ? out_of_line_wait_on_bit+0x77/0x90
[ 2040.052241]  [<ffffffff810a7e90>] ? autoremove_wake_function+0x30/0x30
[ 2040.052255]  [<ffffffffa0054b49>] ? jbd2_journal_commit_transaction+0xe79/0x1950 [jbd2]
[ 2040.052298]  [<ffffffff8100331e>] ? xen_end_context_switch+0xe/0x20
[ 2040.052305]  [<ffffffff810912f6>] ? finish_task_switch+0x46/0xf0
[ 2040.052309]  [<ffffffff815141a3>] ? _raw_spin_unlock_irqrestore+0x13/0x20
[ 2040.052314]  [<ffffffffa0058be2>] ? kjournald2+0xb2/0x240 [jbd2]
[ 2040.052319]  [<ffffffff810a7e60>] ? prepare_to_wait_event+0xf0/0xf0
[ 2040.052324]  [<ffffffffa0058b30>] ? commit_timeout+0x10/0x10 [jbd2]
[ 2040.052329]  [<ffffffff8108809d>] ? kthread+0xbd/0xe0
[ 2040.052333]  [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 2040.052337]  [<ffffffff81514958>] ? ret_from_fork+0x58/0x90
[ 2040.052342]  [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 2160.052120] INFO: task jbd2/xvda2-8:98 blocked for more than 120 seconds.
[ 2160.052135]       Not tainted 3.16.0-4-amd64 #1
[ 2160.052139] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2160.052146] jbd2/xvda2-8    D ffff880004986e78     0    98      2 0x00000000
[ 2160.052155]  ffff880004986a20 0000000000000246 0000000000012f00 ffff8800047ebfd8
[ 2160.052164]  0000000000012f00 ffff880004986a20 ffff8800ff3137b0 ffff8800ff80c260
[ 2160.052173]  0000000000000002 ffffffff811d7620 ffff8800047ebc80 ffff880002a5c7c0
[ 2160.052182] Call Trace:
[ 2160.052193]  [<ffffffff811d7620>] ? generic_block_bmap+0x50/0x50
[ 2160.052202]  [<ffffffff815114a9>] ? io_schedule+0x99/0x120
[ 2160.052209]  [<ffffffff811d762a>] ? sleep_on_buffer+0xa/0x10
[ 2160.052215]  [<ffffffff8151182c>] ? __wait_on_bit+0x5c/0x90
[ 2160.052221]  [<ffffffff811d7620>] ? generic_block_bmap+0x50/0x50
[ 2160.052230]  [<ffffffff815118d7>] ? out_of_line_wait_on_bit+0x77/0x90
[ 2160.052236]  [<ffffffff810a7e90>] ? autoremove_wake_function+0x30/0x30
[ 2160.052246]  [<ffffffffa0054b49>] ? jbd2_journal_commit_transaction+0xe79/0x1950 [jbd2]
[ 2160.052252]  [<ffffffff8100331e>] ? xen_end_context_switch+0xe/0x20
[ 2160.052257]  [<ffffffff810912f6>] ? finish_task_switch+0x46/0xf0
[ 2160.052262]  [<ffffffff815141a3>] ? _raw_spin_unlock_irqrestore+0x13/0x20
[ 2160.052267]  [<ffffffffa0058be2>] ? kjournald2+0xb2/0x240 [jbd2]
[ 2160.052272]  [<ffffffff810a7e60>] ? prepare_to_wait_event+0xf0/0xf0
[ 2160.052277]  [<ffffffffa0058b30>] ? commit_timeout+0x10/0x10 [jbd2]
[ 2160.052282]  [<ffffffff8108809d>] ? kthread+0xbd/0xe0
[ 2160.052286]  [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 2160.052290]  [<ffffffff81514958>] ? ret_from_fork+0x58/0x90
[ 2160.052293]  [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180

Copying and backuping the Dom0 results in no error!

Best regards, Chris Keller





-----Ursprüngliche Nachricht-----
Von: Debian Bug Tracking System [mailto:owner at bugs.debian.org]
Gesendet: Mittwoch, 13. April 2016 11:06
An: MySign AG - Infrastrcture <infrastructure at mysign.ch>
Betreff: Bug#820862: Acknowledgement (xen-hypervisor-4.4-amd64: Xen VM on Jessie freezes often with INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds)

Thank you for filing a new Bug report with Debian.

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 Debian Xen Team <pkg-xen-devel at lists.alioth.debian.org<mailto:pkg-xen-devel at lists.alioth.debian.org>>

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--
820862: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820862
Debian Bug Tracking System
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