[<c01565fe>] alloc_page_buffers+0x1e/0x90
 [<c0156ea8>] create_empty_buffers+0x18/0x90
 [<c0157613>] __block_prepare_write+0x373/0x3c0
 [<c0157d70>] block_prepare_write+0x20/0x30
 [<c018f0f0>] ext3_get_block+0x0/0x70
 [<c018f5b8>] ext3_prepare_write+0x58/0x110
 [<c018f0f0>] ext3_get_block+0x0/0x70
 [<c013a59f>] generic_file_buffered_write+0x19f/0x600
 [<c0130c30>] autoremove_wake_function+0x0/0x40
 [<c013ac53>] __generic_file_aio_write_nolock+0x37/0x90
 [<c013b0f0>] generic_file_aio_write_nolock+0x37/0x90
 [<c013b0f0>] generic_file_aio_write+0x60/0xc0
 [<c018d18a>] ext3_file_write+0x2a/0xa0
 [<c01547db>] do_sync_write+0xab/0xe0
 [<c01383b4>] wait_on_page_writeback_range+0x74/0x120
 [<c0130c30>] autoremove_wake_function+0x0/0x40
 [<c018d2b7>] ext3_sync_file+0xb7/0xc0
 [<c015489c>] vfs_write+0x8c/0xd0
 [<c015498d>] sys_write+0x3d/0x70
 [<c0102eef>] syscall_call+0x7/0xb
Code: 14 42 25 ff ff 00 00 89 51 10 8b 3c 24 66 8b 04 47 66 89 41 14 8b 44 24 24
 3b 50 58 73 06 4e 83 fe ff 75 b5 8b 51 04 8b 01 89 02 <89> 50 04 c7 01 00 01 10
 00 c7 41 04 00 02 20 00 66 83 79 14 ff
 <6>note: mythbackend[16084] exited with preempt_count 1