http://bugzilla.novell.com/show_bug.cgi?id=579932
http://bugzilla.novell.com/show_bug.cgi?id=579932#c10
Jiri Slaby changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
CC| |jslaby@novell.com,
| |teheo@novell.com
InfoProvider| |estellnb@gmail.com
--- Comment #10 from Jiri Slaby 2010-07-28 13:48:03 UTC ---
You have these task stuck way too often. It seems like you experience some I/O
problems. ATA errors are processed very often. Is it still present in 2.6.34
final?
SysRq : Show Blocked State
task PC stack pid father
scsi_eh_8 D 0000000000000000 0 282 2 0x00000000
ffff88007d3f1ae0 0000000000000046 ffff88007d3f1a90 ffffffff8104a102
ffff88007d3f0000 ffff88007d3f1fd8 0000000000013900 ffff88007d3f1fd8
ffff88007d3f1fd8 0000000000013900 ffff88007d680880 ffff88007d3f0000
Call Trace:
[<ffffffff8149716c>] schedule_timeout+0x17c/0x300
[<ffffffff81496415>] wait_for_common+0xb5/0x180
[<ffffffffa005da44>] ata_exec_internal_sg+0x324/0x540 [libata]
[<ffffffffa005dcda>] ata_exec_internal+0x7a/0xc0 [libata]
[<ffffffffa00681c3>] atapi_eh_request_sense+0x113/0x180 [libata]
[<ffffffffa0068bbf>] ata_eh_link_autopsy+0x47f/0x510 [libata]
[<ffffffffa0069338>] ata_eh_autopsy+0x28/0xe0 [libata]
[<ffffffffa006b0ce>] ata_do_eh+0x2e/0xd0 [libata]
[<ffffffffa006b8e3>] ata_scsi_error+0x483/0x5d0 [libata]
[<ffffffffa001d9b6>] scsi_error_handler+0x106/0x190 [scsi_mod]
[<ffffffff8107126e>] kthread+0x8e/0xa0
[<ffffffff81003df4>] kernel_thread_helper+0x4/0x10
flush-253:1 D 0000000000000000 0 1222 2 0x00000000
ffff880077a59730 0000000000000046 ffff88007d373048 ffff88007d373138
ffff880077a58000 ffff880077a59fd8 0000000000013900 ffff880077a59fd8
ffff880077a59fd8 0000000000013900 ffff88007c896500 ffff880077a58000
Call Trace:
[<ffffffff81496dfe>] io_schedule+0x6e/0xb0
[<ffffffff8114c5bb>] sync_buffer+0x3b/0x50
[<ffffffff814974df>] __wait_on_bit+0x4f/0x80
[<ffffffff81497587>] out_of_line_wait_on_bit+0x77/0x90
[<ffffffff8114ca79>] __wait_on_buffer+0x59/0xe0
[<ffffffff8114cd7b>] bh_submit_read+0x3b/0x60
[<ffffffffa0162c86>] ext4_read_block_bitmap+0x186/0x320 [ext4]
[<ffffffffa018fb0f>] ext4_mb_mark_diskspace_used+0x5f/0x310 [ext4]
[<ffffffffa019705b>] ext4_mb_new_blocks+0x29b/0x550 [ext4]
[<ffffffffa018d366>] ext4_ext_get_blocks+0x496/0x6d0 [ext4]
[<ffffffffa016b83c>] ext4_get_blocks+0x1ec/0x240 [ext4]
[<ffffffffa016c8bb>] mpage_da_map_blocks+0xbb/0x3b0 [ext4]
[<ffffffffa016ced1>] ext4_da_writepages+0x321/0x670 [ext4]
[<ffffffff8114629f>] writeback_single_inode+0xef/0x3c0
[<ffffffff81146bc2>] writeback_inodes_wb+0x2c2/0x420
[<ffffffff81146e2d>] wb_writeback+0x10d/0x1e0
[<ffffffff811470d9>] wb_do_writeback+0x1d9/0x1f0
[<ffffffff81147133>] bdi_writeback_task+0x43/0xd0
[<ffffffff810f1dbe>] bdi_start_fn+0x7e/0xf0
[<ffffffff8107126e>] kthread+0x8e/0xa0
[<ffffffff81003df4>] kernel_thread_helper+0x4/0x10
hald-addon-st D 0000000000000000 0 2783 2625 0x00000000
ffff88007e5dd8c8 0000000000000082 ffff88007d7b80f0 ffffffff8106d50d
ffff88007e5dc000 ffff88007e5ddfd8 0000000000013900 ffff88007e5ddfd8
ffff88007e5ddfd8 0000000000013900 ffff88007861a800 ffff88007e5dc000
Call Trace:
[<ffffffff814971fd>] schedule_timeout+0x20d/0x300
[<ffffffff81496415>] wait_for_common+0xb5/0x180
[<ffffffff8121e37a>] blk_execute_rq+0x6a/0xb0
[<ffffffffa001eb8d>] scsi_execute+0xfd/0x170 [scsi_mod]
[<ffffffffa00205be>] scsi_execute_req+0xce/0x200 [scsi_mod]
[<ffffffffa02552b7>] sr_test_unit_ready+0x67/0xf0 [sr_mod]
[<ffffffffa0256473>] sr_media_change+0x83/0x1e0 [sr_mod]
[<ffffffffa01f90a8>] media_changed+0x68/0xb0 [cdrom]
[<ffffffff81152bda>] check_disk_change+0x2a/0x70
[<ffffffffa01fd1c9>] cdrom_open+0xf9/0x1e0 [cdrom]
[<ffffffffa0255744>] sr_block_open+0x74/0xd0 [sr_mod]
[<ffffffff811541f4>] __blkdev_get+0xa4/0x3e0
[<ffffffff811545a9>] blkdev_open+0x69/0xc0
[<ffffffff81121c09>] __dentry_open+0x149/0x3d0
[<ffffffff81131d68>] do_filp_open+0x918/0xc10
[<ffffffff8112195a>] do_sys_open+0x6a/0x180
[<ffffffff81002ffb>] system_call_fastpath+0x16/0x1b
[<00007f9bdbb35390>] 0x7f9bdbb35390
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