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Groups > linux.debian.bugs.dist > #730842 > unrolled thread

Bug#820862: xen-hypervisor-4.4-amd64: Xen VM on Jessie freezes often with INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds

Started byChristoph Keller <debianbug@mysign.ch>
First post2016-04-13 11:10 +0200
Last post2016-05-18 14:40 +0200
Articles 3 — 2 participants

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Contents

  Bug#820862: xen-hypervisor-4.4-amd64: Xen VM on Jessie freezes often with INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds Christoph Keller <debianbug@mysign.ch> - 2016-04-13 11:10 +0200
    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@mysign.ch> - 2016-04-19 14:50 +0200
      Bug#820862: AW: Bug#820862: Info received (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@mysign.ch> - 2016-05-18 14:40 +0200

#730842 — Bug#820862: xen-hypervisor-4.4-amd64: Xen VM on Jessie freezes often with INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds

FromChristoph Keller <debianbug@mysign.ch>
Date2016-04-13 11:10 +0200
SubjectBug#820862: xen-hypervisor-4.4-amd64: Xen VM on Jessie freezes often with INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds
Message-ID<rnoYa-7qk-19@gated-at.bofh.it>
Package: xen-hypervisor-4.4-amd64
Version: 4.4.1-9+deb8u4
Severity: grave
Justification: renders package unusable

Dear Maintainer,

   * What led up to the situation?
   Running Backup Exec or a copy command to NFS-Share causes the VM regurarly to freeze. First message on VM-Console:
   ---------------------------------------------------------------------------------------------------------------
[ 1680.060125] INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds.
[ 1680.060139] Not tainted 3.16.0-4-amd64 #1
[ 1680.060144] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1680.060150] jbd2/xvda2-8 D ffff88000408c768 0 111 2 0x00000000
[ 1680.060159] ffff88000408c310 0000000000000246 0000000000012f00 ffff8801f103ffd8
[ 1680.060167] 0000000000012f00 ffff88000408c310 ffff8801fea937b0 ffff8801fefeea88
[ 1680.060175] 0000000000000002 ffffffff8113d0e0 ffff8801f103fbd0 ffff8801f103fc50
[ 1680.060183] Call Trace:
[ 1680.060196] [<ffffffff8113d0e0>] ? wait_on_page_read+0x60/0x60
[ 1680.060204] [<ffffffff815114a9>] ? io_schedule+0x99/0x120
[ 1680.060210] [<ffffffff8113d0ea>] ? sleep_on_page+0xa/0x10
[ 1680.060216] [<ffffffff8151182c>] ? __wait_on_bit+0x5c/0x90
[ 1680.060222] [<ffffffff8113cedf>] ? wait_on_page_bit+0x7f/0x90
[ 1680.060231] [<ffffffff810a7e90>] ? autoremove_wake_function+0x30/0x30
[ 1680.060246] [<ffffffff8114a46d>] ? pagevec_lookup_tag+0x1d/0x30
[ 1680.060254] [<ffffffff8113cfc0>] ? filemap_fdatawait_range+0xd0/0x160
[ 1680.060260] [<ffffffff8127d941>] ? submit_bio+0x71/0x150
[ 1680.060266] [<ffffffff81279118>] ? bio_alloc_bioset+0x198/0x290
[ 1680.060275] [<ffffffffa001172c>] ? jbd2_journal_commit_transaction+0xa5c/0x1950 [jbd2]
[ 1680.060283] [<ffffffff8100331e>] ? xen_end_context_switch+0xe/0x20
[ 1680.060292] [<ffffffff810912f6>] ? finish_task_switch+0x46/0xf0
[ 1680.060297] [<ffffffff815141a3>] ? _raw_spin_unlock_irqrestore+0x13/0x20
[ 1680.060304] [<ffffffffa0015be2>] ? kjournald2+0xb2/0x240 [jbd2]
[ 1680.060309] [<ffffffff810a7e60>] ? prepare_to_wait_event+0xf0/0xf0
[ 1680.060314] [<ffffffffa0015b30>] ? commit_timeout+0x10/0x10 [jbd2]
[ 1680.060321] [<ffffffff8108809d>] ? kthread+0xbd/0xe0
[ 1680.060326] [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 1680.060332] [<ffffffff81514958>] ? ret_from_fork+0x58/0x90
[ 1680.060336] [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 1920.060121] INFO: task jbd2/xvda2-8:111 blocked for more than 120 seconds.
[ 1920.060133] Not tainted 3.16.0-4-amd64 #1
[ 1920.060138] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1920.060144] jbd2/xvda2-8 D ffff88000408c768 0 111 2 0x00000000
[ 1920.060153] ffff88000408c310 0000000000000246 0000000000012f00 ffff8801f103ffd8
[ 1920.060163] 0000000000012f00 ffff88000408c310 ffff8801fea937b0 ffff8801fefeea88
[ 1920.060172] 0000000000000002 ffffffff8113d0e0 ffff8801f103fbd0 ffff8801f103fc50
[ 1920.060181] Call Trace:
[ 1920.060189] [<ffffffff8113d0e0>] ? wait_on_page_read+0x60/0x60
[ 1920.060197] [<ffffffff815114a9>] ? io_schedule+0x99/0x120
[ 1920.060203] [<ffffffff8113d0ea>] ? sleep_on_page+0xa/0x10
[ 1920.060209] [<ffffffff8151182c>] ? __wait_on_bit+0x5c/0x90
[ 1920.060216] [<ffffffff8113cedf>] ? wait_on_page_bit+0x7f/0x90
[ 1920.060223] [<ffffffff810a7e90>] ? autoremove_wake_function+0x30/0x30
[ 1920.060231] [<ffffffff8114a46d>] ? pagevec_lookup_tag+0x1d/0x30
[ 1920.060243] [<ffffffff8113cfc0>] ? filemap_fdatawait_range+0xd0/0x160
[ 1920.060251] [<ffffffff8127d941>] ? submit_bio+0x71/0x150
[ 1920.060262] [<ffffffff81279118>] ? bio_alloc_bioset+0x198/0x290
[ 1920.060269] [<ffffffffa001172c>] ? jbd2_journal_commit_transaction+0xa5c/0x1950 [jbd2]
[ 1920.060275] [<ffffffff8100331e>] ? xen_end_context_switch+0xe/0x20
[ 1920.060280] [<ffffffff810912f6>] ? finish_task_switch+0x46/0xf0
[ 1920.060285] [<ffffffff815141a3>] ? _raw_spin_unlock_irqrestore+0x13/0x20
[ 1920.060291] [<ffffffffa0015be2>] ? kjournald2+0xb2/0x240 [jbd2]
[ 1920.060296] [<ffffffff810a7e60>] ? prepare_to_wait_event+0xf0/0xf0
[ 1920.060303] [<ffffffffa0015b30>] ? commit_timeout+0x10/0x10 [jbd2]
[ 1920.060308] [<ffffffff8108809d>] ? kthread+0xbd/0xe0
[ 1920.060312] [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 1920.060318] [<ffffffff81514958>] ? ret_from_fork+0x58/0x90
[ 1920.060322] [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 1920.060328] INFO: task rs:main Q:Reg:338 blocked for more than 120 seconds.
[ 1920.060332] Not tainted 3.16.0-4-amd64 #1 
    ---------------------------------- ------ or   --------------------------------------------- 
INFO: task systemd-tmpfile:1304 blocked for more than 120 seconds.
[ 1080.060138] Not tainted 3.16.0-4-amd64 #1
[ 1080.060142] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1080.060149] systemd-tmpfile D ffff8801f3b4ee38 0 1304 1 0x00000000
[ 1080.060158] ffff8801f3b4e9e0 0000000000000286 0000000000012f00 ffff88000367bfd8
[ 1080.060166] 0000000000012f00 ffff8801f3b4e9e0 ffff8801feb937b0 ffff8801ff009158
[ 1080.060174] 0000000000000002 ffffffff811d7620 ffff88000367bc70 ffff8800042933a8
[ 1080.060182] Call Trace:
[ 1080.060194] [<ffffffff811d7620>] ? generic_block_bmap+0x50/0x50
[ 1080.060203] [<ffffffff815114a9>] ? io_schedule+0x99/0x120
[ 1080.060209] [<ffffffff811d762a>] ? sleep_on_buffer+0xa/0x10
[ 1080.060215] [<ffffffff8151182c>] ? __wait_on_bit+0x5c/0x90
[ 1080.060223] [<ffffffff811d7620>] ? generic_block_bmap+0x50/0x50
[ 1080.060227] [<ffffffff815118d7>] ? out_of_line_wait_on_bit+0x77/0x90
[ 1080.060233] [<ffffffff810a7e90>] ? autoremove_wake_function+0x30/0x30
[ 1080.060246] [<ffffffffa007160b>] ? ext4_bread+0x5b/0x90 [ext4]
[ 1080.060253] [<ffffffffa007931a>] ? __ext4_read_dirblock+0x3a/0x3c0 [ext4]
[ 1080.060262] [<ffffffffa0079b80>] ? htree_dirblock_to_tree+0x40/0x190 [ext4]
[ 1080.060269] [<ffffffffa007aed1>] ? ext4_htree_fill_tree+0xc1/0x250 [ext4]
[ 1080.060274] [<ffffffff811b7b78>] ? path_openat+0x158/0x680
[ 1080.060279] [<ffffffff8117abb5>] ? free_pages_and_swap_cache+0x95/0xb0
[ 1080.060285] [<ffffffffa0069efb>] ? ext4_readdir+0x17b/0x8d0 [ext4]
[ 1080.060289] [<ffffffff811b884a>] ? do_filp_open+0x3a/0x90
[ 1080.060294] [<ffffffff811bafff>] ? iterate_dir+0x9f/0x120
[ 1080.060297] [<ffffffff811bb459>] ? SyS_getdents+0x89/0x100
[ 1080.060300] [<ffffffff811bb150>] ? fillonedir+0xd0/0xd0
[ 1080.060305] [<ffffffff81514a0d>] ? system_call_fast_compare_end+0x10/0x15
[ 1200.060128] INFO: task jbd2/xvda2-8:109 blocked for more than 120 seconds.
[ 1200.060144] Not tainted 3.16.0-4-amd64 #1
[ 1200.060148] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1200.060155] jbd2/xvda2-8 D ffff8801f1462628 0 109 2 0x00000000
[ 1200.060165] ffff8801f14621d0 0000000000000246 0000000000012f00 ffff88000496ffd8
[ 1200.060174] 0000000000012f00 ffff8801f14621d0 ffff8801feb137b0 ffff8801ff003f68
[ 1200.060183] 0000000000000002 ffffffff8113d0e0 ffff88000496fbd0 ffff88000496fc50
[ 1200.060192] Call Trace:
[ 1200.060204] [<ffffffff8113d0e0>] ? wait_on_page_read+0x60/0x60
[ 1200.060213] [<ffffffff815114a9>] ? io_schedule+0x99/0x120
[ 1200.060220] [<ffffffff8113d0ea>] ? sleep_on_page+0xa/0x10
[ 1200.060226] [<ffffffff8151182c>] ? __wait_on_bit+0x5c/0x90
[ 1200.060232] [<ffffffff8113cedf>] ? wait_on_page_bit+0x7f/0x90
[ 1200.060241] [<ffffffff810a7e90>] ? autoremove_wake_function+0x30/0x30
[ 1200.060251] [<ffffffff8114a46d>] ? pagevec_lookup_tag+0x1d/0x30
[ 1200.060262] [<ffffffff8113cfc0>] ? filemap_fdatawait_range+0xd0/0x160
[ 1200.060276] [<ffffffff8127d941>] ? submit_bio+0x71/0x150
[ 1200.060282] [<ffffffff81279118>] ? bio_alloc_bioset+0x198/0x290
[ 1200.060295] [<ffffffffa003472c>] ? jbd2_journal_commit_transaction+0xa5c/0x1950 [jbd2]
[ 1200.060304] [<ffffffff8100331e>] ? xen_end_context_switch+0xe/0x20
[ 1200.060314] [<ffffffff810912f6>] ? finish_task_switch+0x46/0xf0
[ 1200.060321] [<ffffffff815141a3>] ? _raw_spin_unlock_irqrestore+0x13/0x20
[ 1200.060329] [<ffffffffa0038be2>] ? kjournald2+0xb2/0x240 [jbd2]
[ 1200.060337] [<ffffffff810a7e60>] ? prepare_to_wait_event+0xf0/0xf0
[ 1200.060344] [<ffffffffa0038b30>] ? commit_timeout+0x10/0x10 [jbd2]
[ 1200.060352] [<ffffffff8108809d>] ? kthread+0xbd/0xe0
[ 1200.060358] [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 1200.060365] [<ffffffff81514958>] ? ret_from_fork+0x58/0x90
[ 1200.060372] [<ffffffff81087fe0>] ? kthread_create_on_node+0x180/0x180
[ 1200.060379] INFO: task rs:main Q:Reg:316 blocked for more than 120 seconds.
[ 1200.060385] Not tainted 3.16.0-4-amd64 #1
[ 1200.060389] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1200.060394] rs:main Q:Reg D ffff8800035d3a48 0 316 1 0x00000000
[ 1200.060401] ffff8800035d35f0 0000000000000286 0000000000012f00 ffff8800036dbfd8
[ 1200.060410] 0000000000012f00 ffff8800035d35f0 ffff8801feb137b0 ffff8801feffc4f8
[ 1200.060417] 0000000000000002 ffffffffa00316c0 ffff8800036dbb30 ffff880004414368
[ 1200.060426] Call Trace:
[ 1200.060432] [<ffffffffa00316c0>] ? start_this_handle+0x5a0/0x5a0 [jbd2]
[ 1200.060439] [<ffffffff815114a9>] ? io_schedule+0x99/0x120
[ 1200.060447] [<ffffffffa00316ca>] ? sleep_on_shadow_bh+0xa/0x10 [jbd2]
[ 1200.060452] [<ffffffff8151182c>] ? __wait_on_bit+0x5c/0x90
[ 1200.060459] [<ffffffffa00316c0>] ? start_this_handle+0x5a0/0x5a0 [jbd2]
[ 1200.060466] [<ffffffff815118d7>] ? out_of_line_wait_on_bit+0x77/0x90
[ 1200.060473] [<ffffffff810a7e90>] ? autoremove_wake_function+0x30/0x30
[ 1200.060480] [<ffffffff811d8c54>] ? __find_get_block+0xb4/0x250
[ 1200.060487] [<ffffffffa0032a25>] ? do_get_write_access+0x2a5/0x4b0 [jbd2]
[ 1200.060494] [<ffffffff811d90d6>] ? __getblk_gfp+0x26/0x60
[ 1200.060501] [<ffffffffa0032c52>] ? jbd2_journal_get_write_access+0x22/0x40 [jbd2]
[ 1200.060518] [<ffffffffa009d326>] ? __ext4_journal_get_write_access+0x36/0x80 [ext4]
[ 1200.060528] [<ffffffffa0073558>] ? ext4_reserve_inode_write+0x68/0x90 [ext4]
[ 1200.060539] [<ffffffffa007679b>] ? ext4_dirty_inode+0x3b/0x60 [ext4]
[ 1200.060547] [<ffffffffa00735bf>] ? ext4_mark_inode_dirty+0x3f/0x1d0 [ext4]
[ 1200.060554] [<ffffffffa007679b>] ? ext4_dirty_inode+0x3b/0x60 [ext4]
[ 1200.060558] [<ffffffff811cf682>] ? __mark_inode_dirty+0x172/0x270
[ 1200.060563] [<ffffffff811c1f41>] ? update_time+0x81/0xc0
[ 1200.060568] [<ffffffff8106b432>] ? current_fs_time+0x12/0x60
[ 1200.060572] [<ffffffff811c2140>] ? file_update_time+0x80/0xd0
[ 1200.060576] [<ffffffff8113f352>] ? __generic_file_write_iter+0x132/0x340
    -------------------------------------------------------------------------------------------------
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
     I changed the values of vm.dirty_background_ratio and vm.dirty_ratio, but had no influence

   * What was the outcome of this action?
     nothing

   * What outcome did you expect instead?
     I expected, the VM does not freeze



-- System Information:
Debian Release: 8.4
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/16 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: systemd (via /run/systemd/system)

xen-hypervisor-4.4-amd64 depends on no packages.

Versions of packages xen-hypervisor-4.4-amd64 recommends:
ii  xen-utils-4.4  4.4.1-9+deb8u4

xen-hypervisor-4.4-amd64 suggests no packages.

-- no debconf information

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#732774 — 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)

FromMySign AG - Infrastrcture <infrastructure@mysign.ch>
Date2016-04-19 14:50 +0200
SubjectBug#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)
Message-ID<rpDgn-6X3-29@gated-at.bofh.it>
In reply to#730842

[Multipart message — attachments visible in raw view] — view raw

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@bugs.debian.org]
Gesendet: Mittwoch, 13. April 2016 11:06
An: MySign AG - Infrastrcture <infrastructure@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.

This is an automatically generated reply to let you know your message has been received.

Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course.

Your message has been sent to the package maintainer(s):
 Debian Xen Team <pkg-xen-devel@lists.alioth.debian.org<mailto:pkg-xen-devel@lists.alioth.debian.org>>

If you wish to submit further information on this problem, please send it to 820862@bugs.debian.org<mailto:820862@bugs.debian.org>.

Please do not send mail to owner@bugs.debian.org<mailto:owner@bugs.debian.org> unless you wish to report a problem with the Bug-tracking system.

--
820862: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820862
Debian Bug Tracking System
Contact owner@bugs.debian.org<mailto:owner@bugs.debian.org> with problems

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#739500 — Bug#820862: AW: Bug#820862: Info received (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))

FromMySign AG - Infrastrcture <infrastructure@mysign.ch>
Date2016-05-18 14:40 +0200
SubjectBug#820862: AW: Bug#820862: Info received (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))
Message-ID<rA8VB-2a6-41@gated-at.bofh.it>
In reply to#732774

[Multipart message — attachments visible in raw view] — view raw

Dear Debian-Bugteam



Unfortunately this problem still exists. I want to use the server in production environment, but can't by reason of this error.



Installed XEN-Versions:

ii  xen-hypervisor-4.4-amd64                  4.4.1-9+deb8u5                amd64                         Xen Hypervisor on AMD64

ii  xen-linux-system-3.16.0-4-amd64           3.16.7-ckt25-2                amd64                         Xen system with Linux 3.16 on 64-bit PCs (meta-package)

ii  xen-linux-system-amd64                    3.16+63                       amd64                         Xen system with Linux for 64-bit PCs (meta-package)

ii  xen-system-amd64                          4.4.1-9+deb8u5                amd64                         Xen System on AMD64 (meta-package)

ii  xen-tools                                 4.5-1                         all                           Tools to manage Xen virtual servers

ii  xen-utils-4.4                             4.4.1-9+deb8u5                amd64                         XEN administrative tools

ii  xen-utils-common                          4.4.1-9+deb8u5                all                           Xen administrative tools - common files

ii  xenstore-utils                            4.4.1-9+deb8u5                amd64                         Xenstore command line utilities for Xen



Best regards, Chris Keller







-----Ursprüngliche Nachricht-----
Von: Debian Bug Tracking System [mailto:owner@bugs.debian.org]
Gesendet: Dienstag, 19. April 2016 14:42
An: MySign AG - Infrastrcture <infrastructure@mysign.ch>
Betreff: Bug#820862: Info received (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))



Thank you for the additional information you have supplied regarding this Bug report.



This is an automatically generated reply to let you know your message has been received.



Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course.



Your message has been sent to the package maintainer(s):

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



If you wish to submit further information on this problem, please send it to 820862@bugs.debian.org<mailto:820862@bugs.debian.org>.



Please do not send mail to owner@bugs.debian.org<mailto:owner@bugs.debian.org> unless you wish to report a problem with the Bug-tracking system.



--

820862: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=820862

Debian Bug Tracking System

Contact owner@bugs.debian.org<mailto:owner@bugs.debian.org> with problems

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