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SubjectExt3 and/or SCSI bug?
Date
Hi all,

(Please CC: me on replies, I'm not subscribed to the list)

Below is an part of my dmesg output that I captured when all of a sudden one
of my filesystems became mounted read-only (while some heavy reading/
writing was being performed to that filesystem).

Can anyone explain to me what is going on here, and why this is happening
to me about every 10 days.
Please note that this happened twice now in the last 10 days, both while
running kernel version 2.6.2 and kernel 2.6.3 (for the last day). After the first
time I've fsck'ed the file-system thoroughly.

System details:
Dual Athlon MP2000+, Asus A7M266-D motherboard.
QLA12160 based SCSI card connected to 3 Maxtor Atlas IV 10K RPM drives.

Best regards,

Gertjan.

Kernel output:

EXT3-fs error (device sdb8): ext3_free_blocks: bit already cleared for block 1142880
Aborting journal on device sdb8.
bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c021cce0>] scsi_request_fn+0x240/0x390
[<c020d49d>] generic_unplug_device+0x8d/0x90
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01bb5d5>] journal_update_superblock+0x95/0x130
[<c01ac5f9>] ext3_handle_error+0x59/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c020ec2a>] generic_make_request+0x16a/0x1f0
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01ac60d>] ext3_handle_error+0x6d/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

EXT3-fs error (device sdb8): ext3_free_blocks: bit already cleared for block 1142881
bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c021cce0>] scsi_request_fn+0x240/0x390
[<c020d49d>] generic_unplug_device+0x8d/0x90
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01ac60d>] ext3_handle_error+0x6d/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

EXT3-fs error (device sdb8): ext3_free_blocks: bit already cleared for block 1142882
bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c020ec2a>] generic_make_request+0x16a/0x1f0
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01ac60d>] ext3_handle_error+0x6d/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

EXT3-fs error (device sdb8): ext3_free_blocks: bit already cleared for block 1142883
bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c0214488>] as_next_request+0x38/0x50
[<c020b7c6>] elv_next_request+0x16/0x100
[<c020d490>] generic_unplug_device+0x80/0x90
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01ac60d>] ext3_handle_error+0x6d/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

EXT3-fs error (device sdb8): ext3_free_blocks: bit already cleared for block 1142884
bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c020ec2a>] generic_make_request+0x16a/0x1f0
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01ac60d>] ext3_handle_error+0x6d/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

EXT3-fs error (device sdb8): ext3_free_blocks: bit already cleared for block 1142885
bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c0214488>] as_next_request+0x38/0x50
[<c020b7c6>] elv_next_request+0x16/0x100
[<c020d490>] generic_unplug_device+0x80/0x90
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01ac60d>] ext3_handle_error+0x6d/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

EXT3-fs error (device sdb8): ext3_free_blocks: bit already cleared for block 1142886
bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c0214488>] as_next_request+0x38/0x50
[<c020b7c6>] elv_next_request+0x16/0x100
[<c020d490>] generic_unplug_device+0x80/0x90
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01ac60d>] ext3_handle_error+0x6d/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

EXT3-fs error (device sdb8): ext3_free_blocks: bit already cleared for block 1142887
bad: scheduling while atomic!
Call Trace:
[<c012049e>] schedule+0x68e/0x6a0
[<c0214488>] as_next_request+0x38/0x50
[<c020b7c6>] elv_next_request+0x16/0x100
[<c020d490>] generic_unplug_device+0x80/0x90
[<c0121776>] io_schedule+0x26/0x40
[<c0163574>] __wait_on_buffer+0xc4/0xd0
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c01229d0>] autoremove_wake_function+0x0/0x50
[<c016754b>] sync_dirty_buffer+0x4b/0xb0
[<c01ac60d>] ext3_handle_error+0x6d/0xb0
[<c01ac6a5>] ext3_error+0x55/0x60
[<c01a0d03>] ext3_free_blocks+0x523/0x5d0
[<c01a6958>] ext3_free_data+0x128/0x150
[<c01a6a6e>] ext3_free_branches+0xee/0x270
[<c01a715e>] ext3_truncate+0x56e/0x670
[<c01b34b9>] journal_start+0xa9/0xd0
[<c01a4203>] start_transaction+0x23/0x60
[<c01a4396>] ext3_delete_inode+0xc6/0x110
[<c01a42d0>] ext3_delete_inode+0x0/0x110
[<c017efcb>] generic_delete_inode+0xab/0x190
[<c017f2b2>] iput+0x62/0x90
[<c017b855>] dput+0x115/0x250
[<c0174a6e>] sys_rename+0x1fe/0x220
[<c0154e5f>] do_munmap+0x16f/0x1e0
[<c0154f15>] sys_munmap+0x45/0x70
[<c010959b>] syscall_call+0x7/0xb

ext3_abort called.
EXT3-fs abort (device sdb8): ext3_journal_start: Detected aborted journal
Remounting filesystem read-only
ext3_reserve_inode_write: aborting transaction: Journal has aborted in __ext3_journal_get_write_access<2>EXT3-fs error (device sdb8) in ext3_reserve_inode_write: Journal has aborted
EXT3-fs error (device sdb8) in ext3_truncate: Journal has aborted
ext3_reserve_inode_write: aborting transaction: Journal has aborted in __ext3_journal_get_write_access<2>EXT3-fs error (device sdb8) in ext3_reserve_inode_write: Journal has aborted
EXT3-fs error (device sdb8) in ext3_orphan_del: Journal has aborted
ext3_reserve_inode_write: aborting transaction: Journal has aborted in __ext3_journal_get_write_access<2>EXT3-fs error (device sdb8) in ext3_reserve_inode_write: Journal has aborted
EXT3-fs error (device sdb8) in ext3_delete_inode: Journal has aborted
EXT3-fs error (device sdb8) in start_transaction: Journal has aborted
Feb 19 19:46:05 wingerd last message repeated 30 times
__journal_remove_journal_head: freeing b_committed_data
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