BUG: Bad page state in process nautilus  pfn:2fffa
page:c1605f40 flags:40000200 count:0 mapcount:0 mapping:(null) index:0
Pid: 5108, comm: nautilus Tainted: P           2.6.31-14-generic-pae #48-Ubuntu
Call Trace:
 [<c057419e>] ? printk+0x18/0x1a
 [<c01b92cc>] bad_page+0xcc/0x120
 [<c01b9866>] prep_new_page+0x26/0x120
 [<c0576638>] ? _spin_lock+0x8/0x10
 [<c01b9ddd>] get_page_from_freelist+0x1bd/0x360
 [<c01ba4b0>] __alloc_pages_nodemask+0xb0/0x120
 [<c01e1ff1>] new_slab+0x171/0x200
 [<c01e303b>] __slab_alloc+0x11b/0x260
 [<c01e3292>] kmem_cache_alloc+0x112/0x120
 [<c020b890>] ? alloc_buffer_head+0x10/0x40
 [<c020b890>] ? alloc_buffer_head+0x10/0x40
 [<c020b890>] alloc_buffer_head+0x10/0x40
 [<c020c20d>] alloc_page_buffers+0x2d/0xd0
 [<c020c2c4>] create_empty_buffers+0x14/0xb0
 [<c020ed05>] __block_prepare_write+0x315/0x3a0
 [<c01c8448>] ? __inc_zone_page_state+0x18/0x20
 [<c01b5028>] ? add_to_page_cache_locked+0xa8/0x100
 [<c01b50c4>] ? add_to_page_cache_lru+0x44/0x70
 [<c01b6764>] ? grab_cache_page_write_begin+0x74/0xa0
 [<c020ef3e>] block_write_begin+0x4e/0xe0
 [<f8987a80>] ? fat_get_block+0x0/0x270 [fat]
 [<c020f068>] cont_write_begin+0x98/0x100
 [<f8987a80>] ? fat_get_block+0x0/0x270 [fat]
 [<f8987e2c>] fat_write_begin+0x4c/0x60 [fat]
 [<f8987a80>] ? fat_get_block+0x0/0x270 [fat]
 [<c01b4679>] generic_perform_write+0xa9/0x190
 [<c01b53ad>] generic_file_buffered_write+0x5d/0x150
 [<c0512294>] ? unix_stream_recvmsg+0x1d4/0x440
 [<c01b6d53>] __generic_file_aio_write_nolock+0x1f3/0x510
 [<c01b7189>] generic_file_aio_write+0x59/0xd0
 [<c01ea98c>] do_sync_write+0xbc/0x100
 [<c015e1a0>] ? autoremove_wake_function+0x0/0x40
 [<c02cb39f>] ? security_file_permission+0xf/0x20
 [<c01eab2f>] ? rw_verify_area+0x5f/0xe0
 [<c01eac4a>] vfs_write+0x9a/0x190
 [<c01ea8d0>] ? do_sync_write+0x0/0x100
 [<c01eb70d>] sys_write+0x3d/0x70
 [<c0103283>] sysenter_do_call+0x12/0x28