Messages in this thread | | | Date | Mon, 8 Sep 2003 23:12:14 -0700 | From | Dave Olien <> | Subject | Re: Badness in as_completed_request warning |
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On Tue, Sep 09, 2003 at 01:40:57PM +1000, Nick Piggin wrote: > Hi Dave, > Can you try 2.6.0-test5 with the following patch please. Thanks >
I applied this patch, and gave it a shot. It seems to have made things worse. Instead of the warnings occurring only at the end of the mkfs runs, they now occur pretty much constantly, and it finally ends with an Bug_On. Attached is the console output. There are 20 occurrances of Badness in as-iosched.c line 1020. There is one occurrance of Badness in as-iosched.c line 1025. The Bug_On() is in as-iosched.c line 1243.
Console output is attached. Linux version 2.6.0-test5-NP (dmo@cl045) (gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)) #1 SMP Tue Sep 9 02:52:46 PDT 2003 [root@cl045 root]# Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1025 Call Trace: [<c021b52c>] as_remove_dispatched_request+0x6c/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Badness in as_remove_dispatched_request at drivers/block/as-iosched.c:1020 Call Trace: [<c021b582>] as_remove_dispatched_request+0xc2/0x100 [<c02139a9>] elv_remove_request+0x29/0x40 [<c022ca2a>] DAC960_ProcessRequest+0x16a/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
------------[ cut here ]------------ kernel BUG at drivers/block/as-iosched.c:1243! invalid operand: 0000 [#1] CPU: 1 EIP: 0060:[<c021ba76>] Not tainted EFLAGS: 00010046 EIP is at as_dispatch_request+0x236/0x2f0 eax: 00000000 ebx: dfd3cbc0 ecx: 00000000 edx: 00000000 esi: 00000000 edi: 00000001 ebp: 00000000 esp: d9559a38 ds: 007b es: 007b ss: 0068 Process mkfs.ext2 (pid: 1273, threadinfo=d9558000 task=dd5cece0) Stack: dfd3cbc0 d47b9c60 dff98000 dfd06f80 c0228423 dfd3cbc0 00000000 c1731a00 d9559af8 c021bb68 dfd3cbc0 00000039 c1731a00 c0213886 c1731a00 c1770890 dff98000 00000039 dff98000 c022c8f8 c1731a00 d46c55d8 c1770920 0021bb68 Call Trace: [<c0228423>] DAC960_LP_QueueCommand+0x43/0xb0 [<c021bb68>] as_next_request+0x38/0x50 [<c0213886>] elv_next_request+0x16/0x110 [<c022c8f8>] DAC960_ProcessRequest+0x38/0x190 [<c022cb2b>] DAC960_RequestFunction+0x2b/0x40 [<c02152ff>] generic_unplug_device+0x6f/0x80 [<c0215bac>] get_request_wait+0x7c/0x100 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0213ad1>] elv_may_queue+0x21/0x30 [<c0120690>] autoremove_wake_function+0x0/0x50 [<c0216315>] __make_request+0xd5/0x580 [<c02168d5>] generic_make_request+0x115/0x1a0 [<c015d917>] bio_alloc+0xd7/0x1c0 [<c02169b4>] submit_bio+0x54/0xa0 [<c015b660>] __block_write_full_page+0x270/0x470 [<c015ceda>] block_write_full_page+0xfa/0x120 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c015fe3f>] blkdev_writepage+0x1f/0x30 [<c015fcc0>] blkdev_get_block+0x0/0x60 [<c017a308>] mpage_writepages+0x208/0x2db [<c015fe20>] blkdev_writepage+0x0/0x30 [<c016102f>] generic_writepages+0x1f/0x23 [<c014198e>] do_writepages+0x1e/0x40 [<c0178866>] __sync_single_inode+0xc6/0x220 [<c0178c1c>] sync_sb_inodes+0x1ac/0x270 [<c0178d4a>] writeback_inodes+0x6a/0xa0 [<c0141438>] balance_dirty_pages+0xb8/0x160 [<c013e1ad>] generic_file_aio_write_nolock+0x4cd/0xac0 [<c013f1a2>] mempool_free+0x42/0x80 [<c028fc1a>] ip_rcv+0x39a/0x520 [<c013e81e>] generic_file_write_nolock+0x7e/0xa0 [<c011e8e0>] default_wake_function+0x0/0x30 [<c011e8e0>] default_wake_function+0x0/0x30 [<c010d3d9>] handle_IRQ_event+0x49/0x80 [<c01f1265>] tty_write+0x1a5/0x2c0 [<c0160dd7>] blkdev_file_write+0x37/0x40 [<c015844e>] vfs_write+0xbe/0x130 [<c015fec0>] block_llseek+0x0/0x100 [<c0158572>] sys_write+0x42/0x70 [<c010af2d>] sysenter_past_esp+0x52/0x71
Code: 0f 0b db 04 c9 be 30 c0 eb c7 8b 43 48 e9 61 ff ff ff 0f 0b
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