Attachment 657967 Details for Bug 881732 – the guest kernel will call trace after stop the nfs service or firewall the nfs ports with iptables.

the guest kernel will call trace after stop the nfs service or firewall the nfs ports with iptables.

Call Trace.txt (text/plain), 5.29 KB, created by Sibiao Luo on 2012-12-05 05:07:15 UTC

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Creator: Sibiao Luo

Created: 2012-12-05 05:07:15 UTC

Size: 5.29 KB

patch

obsolete

># nc -U /tmp/ttyS0
>INFO: task jbd2/dm-0-8:443 blocked for more than 120 seconds.
>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>jbd2/dm-0-8   D 0000000000000000     0   443      2 0x00000000
> ffff88011709bb30 0000000000000046 ffff8801ffffffff 0000002bd8643f8a
> ffff88011709baa0 ffff880118897360 00000000000075f0 ffffffffaf40cd5f
> ffff880117133ab8 ffff88011709bfd8 000000000000fb88 ffff880117133ab8
>Call Trace:
> [<ffffffff8109cd39>] ? ktime_get_ts+0xa9/0xe0
> [<ffffffff811140c0>] ? sync_page+0x0/0x50
> [<ffffffff814fdfc3>] io_schedule+0x73/0xc0
> [<ffffffff811140fd>] sync_page+0x3d/0x50
> [<ffffffff814fe97f>] __wait_on_bit+0x5f/0x90
> [<ffffffff81114333>] wait_on_page_bit+0x73/0x80
> [<ffffffff81092110>] ? wake_bit_function+0x0/0x50
> [<ffffffff8112a835>] ? pagevec_lookup_tag+0x25/0x40
> [<ffffffff811147ab>] wait_on_page_writeback_range+0xfb/0x190
> [<ffffffff8125711d>] ? submit_bio+0x8d/0x120
> [<ffffffff8111486f>] filemap_fdatawait+0x2f/0x40
> [<ffffffffa008fe69>] jbd2_journal_commit_transaction+0x7e9/0x14b0 [jbd2]
> [<ffffffff810096f0>] ? __switch_to+0xd0/0x320
> [<ffffffff8107eabb>] ? try_to_del_timer_sync+0x7b/0xe0
> [<ffffffffa0095f78>] kjournald2+0xb8/0x220 [jbd2]
> [<ffffffff810920d0>] ? autoremove_wake_function+0x0/0x40
> [<ffffffffa0095ec0>] ? kjournald2+0x0/0x220 [jbd2]
> [<ffffffff81091d66>] kthread+0x96/0xa0
> [<ffffffff8100c14a>] child_rip+0xa/0x20
> [<ffffffff81091cd0>] ? kthread+0x0/0xa0
> [<ffffffff8100c140>] ? child_rip+0x0/0x20
>INFO: task spice-vdagentd:1926 blocked for more than 120 seconds.
>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>spice-vdagent D 0000000000000000     0  1926      1 0x00000080
> ffff88011bc819a8 0000000000000086 ffff88011bc81938 ffffffff81062f75
> ffff880028216680 ffff88011a20e0b8 ffff88011804ab18 ffff880028216680
> ffff88011a20e638 ffff88011bc81fd8 000000000000fb88 ffff88011a20e638
>Call Trace:
> [<ffffffff81062f75>] ? enqueue_entity+0x125/0x410
> [<ffffffff810923be>] ? prepare_to_wait+0x4e/0x80
> [<ffffffffa008f0ad>] do_get_write_access+0x29d/0x520 [jbd2]
> [<ffffffff81092110>] ? wake_bit_function+0x0/0x50
> [<ffffffffa008f481>] jbd2_journal_get_write_access+0x31/0x50 [jbd2]
> [<ffffffffa00dd738>] __ext4_journal_get_write_access+0x38/0x80 [ext4]
> [<ffffffffa00b7c63>] ext4_reserve_inode_write+0x73/0xa0 [ext4]
> [<ffffffffa00b7cdc>] ext4_mark_inode_dirty+0x4c/0x1d0 [ext4]
> [<ffffffffa00b7fd0>] ext4_dirty_inode+0x40/0x60 [ext4]
> [<ffffffff811a49eb>] __mark_inode_dirty+0x3b/0x160
> [<ffffffff81194f32>] file_update_time+0xf2/0x170
> [<ffffffff81116420>] __generic_file_aio_write+0x220/0x480
> [<ffffffff811166ef>] generic_file_aio_write+0x6f/0xe0
> [<ffffffffa00b2131>] ext4_file_write+0x61/0x1e0 [ext4]
> [<ffffffff8117ad6a>] do_sync_write+0xfa/0x140
> [<ffffffff810920d0>] ? autoremove_wake_function+0x0/0x40
> [<ffffffff8121fd8b>] ? selinux_file_permission+0xfb/0x150
> [<ffffffff81213136>] ? security_file_permission+0x16/0x20
> [<ffffffff8117b068>] vfs_write+0xb8/0x1a0
> [<ffffffff810d69e2>] ? audit_syscall_entry+0x272/0x2a0
> [<ffffffff8117ba81>] sys_write+0x51/0x90
> [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
>INFO: task gconfd-2:2389 blocked for more than 120 seconds.
>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>gconfd-2      D 0000000000000000     0  2389      1 0x00000080
> ffff88011badbcc8 0000000000000082 0000000000000000 0000002bd8643f8a
> 0000000000000282 ffff880117218590 0000000000007044 ffffffffaf40cd5f
> ffff880118ac3ab8 ffff88011badbfd8 000000000000fb88 ffff880118ac3ab8
>Call Trace:
> [<ffffffff811140c0>] ? sync_page+0x0/0x50
> [<ffffffff814fdfc3>] io_schedule+0x73/0xc0
> [<ffffffff811140fd>] sync_page+0x3d/0x50
> [<ffffffff814fe97f>] __wait_on_bit+0x5f/0x90
> [<ffffffff81114333>] wait_on_page_bit+0x73/0x80
> [<ffffffff81092110>] ? wake_bit_function+0x0/0x50
> [<ffffffff8112a835>] ? pagevec_lookup_tag+0x25/0x40
> [<ffffffff811147ab>] wait_on_page_writeback_range+0xfb/0x190
> [<ffffffff81114978>] filemap_write_and_wait_range+0x78/0x90
> [<ffffffff811a9fae>] vfs_fsync_range+0x7e/0xe0
> [<ffffffff811aa07d>] vfs_fsync+0x1d/0x20
> [<ffffffff811aa0be>] do_fsync+0x3e/0x60
> [<ffffffff811aa110>] sys_fsync+0x10/0x20
> [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
>INFO: task gvfsd-metadata:2562 blocked for more than 120 seconds.
>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>gvfsd-metadat D 0000000000000001     0  2562      1 0x00000080
> ffff8801137edcc8 0000000000000082 0000000000000000 0000002a8db0b206
> 0000000000000282 ffff88011818a280 00000000000070d8 ffffffffaf40cd5f
> ffff88011830c5f8 ffff8801137edfd8 000000000000fb88 ffff88011830c5f8
>Call Trace:
> [<ffffffff811140c0>] ? sync_page+0x0/0x50
> [<ffffffff814fdfc3>] io_schedule+0x73/0xc0
> [<ffffffff811140fd>] sync_page+0x3d/0x50
> [<ffffffff814fe97f>] __wait_on_bit+0x5f/0x90
> [<ffffffff81114333>] wait_on_page_bit+0x73/0x80
> [<ffffffff81092110>] ? wake_bit_function+0x0/0x50
> [<ffffffff8112a835>] ? pagevec_lookup_tag+0x25/0x40
> [<ffffffff811147ab>] wait_on_page_writeback_range+0xfb/0x190
> [<ffffffff811299e1>] ? do_writepages+0x21/0x40
> [<ffffffff811148fb>] ? __filemap_fdatawrite_range+0x5b/0x60
> [<ffffffff81114978>] filemap_write_and_wait_range+0x78/0x90
> [<ffffffff811a9fae>] vfs_fsync_range+0x7e/0xe0
> [<ffffffff811aa07d>] vfs_fsync+0x1d/0x20
> [<ffffffff811aa0be>] do_fsync+0x3e/0x60
> [<ffffffff811aa110>] sys_fsync+0x10/0x20
> [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
>

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Attachments on bug 881732: 654962 | 654963 | 657967