Bad page state at free_hot_cold_page

Bad page state at free_hot_cold_page

[Peter B. West]

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I've noticed this recently, but it has gone away on reboot.  This one 
stayed.  udev-068.

Anything else you need?

Peter

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Linux version 2.6.12-gentoo-r9_no_sound (root@jezebel) (gcc version 3.3.5-20050130 (Gentoo Linux 3.3.5.20050130-r1, ssp-3.3.5.20050130-1, pie-8.7.7.1)) #2 SMP Wed Aug 17 16:07:56 BST 2005

....

Bad page state at free_hot_cold_page (in process 'udevd', page c16fb4c0)
flags:0x20001004 mapping:00000000 mapcount:0 count:0
Backtrace:
 [<c0146565>] bad_page+0x75/0xb0
 [<c0146d00>] free_hot_cold_page+0x70/0x140
 [<c014759c>] __pagevec_free+0x1c/0x30
 [<c014c620>] release_pages+0x60/0x140
 [<c0143132>] __generic_file_aio_read+0x202/0x240
 [<c0142e40>] file_read_actor+0x0/0xf0
 [<c014c897>] __pagevec_lru_add+0xc7/0xe0
 [<c014c4f8>] lru_add_drain+0x78/0x80
 [<c0155ba0>] exit_mmap+0x20/0x190
 [<c02789d9>] secure_ip_id+0x49/0x50
 [<c011bb28>] mmput+0x38/0xa0
 [<c016cd11>] exec_mmap+0xf1/0x200
 [<c016cfca>] flush_old_exec+0xfa/0x7d0
 [<c016190f>] vfs_read+0x11f/0x180
 [<c016cc0e>] kernel_read+0x4e/0x60
 [<c018f3e1>] load_elf_binary+0x2e1/0xc60
 [<c014f77f>] kmap_high+0x12f/0x1b0
 [<c016c701>] copy_strings+0x1d1/0x220
 [<c018f100>] load_elf_binary+0x0/0xc60
 [<c016da3e>] search_binary_handler+0x16e/0x2b0
 [<c016dd0f>] do_execve+0x18f/0x230
 [<c0101e26>] sys_execve+0x46/0xa0
 [<c01033b5>] syscall_call+0x7/0xb
Trying to fix it up, but a reboot is needed
Bad page state at free_hot_cold_page (in process 'udev_run_hotplu', page c16ff620)
flags:0x20001004 mapping:00000000 mapcount:0 count:0
Backtrace:
 [<c0146565>] bad_page+0x75/0xb0
 [<c0146d00>] free_hot_cold_page+0x70/0x140
 [<c024228a>] dtSearch+0x30a/0x4c0
 [<c023064d>] jfs_lookup+0x16d/0x1f0
 [<c011611c>] do_page_fault+0x19c/0x5d5
 [<c017abdd>] d_alloc+0x13d/0x1a0
 [<c016feb1>] real_lookup+0xd1/0x100
 [<c017020d>] do_lookup+0x9d/0xb0
 [<c0170927>] __link_path_walk+0x707/0xdb0
 [<c0142b5e>] do_generic_mapping_read+0x35e/0x640
 [<c0171019>] link_path_walk+0x49/0xe0
 [<c0171378>] path_lookup+0x98/0x1a0
 [<c016caf0>] open_exec+0x30/0x100
 [<c016c701>] copy_strings+0x1d1/0x220
 [<c018e59d>] load_script+0x1dd/0x250
 [<c014f77f>] kmap_high+0x12f/0x1b0
 [<c014ffa9>] page_address+0xa9/0xc0
 [<c014ffa9>] page_address+0xa9/0xc0
 [<c016c701>] copy_strings+0x1d1/0x220
 [<c018e3c0>] load_script+0x0/0x250
 [<c016da3e>] search_binary_handler+0x16e/0x2b0
 [<c016dd0f>] do_execve+0x18f/0x230
 [<c0101e26>] sys_execve+0x46/0xa0
 [<c01033b5>] syscall_call+0x7/0xb
Trying to fix it up, but a reboot is needed
Bad page state at free_hot_cold_page (in process 'udev', page c16f0cc0)
flags:0x20001004 mapping:00000000 mapcount:0 count:0
Backtrace:
 [<c0146565>] bad_page+0x75/0xb0
 [<c0146d00>] free_hot_cold_page+0x70/0x140
 [<c024228a>] dtSearch+0x30a/0x4c0
 [<c023064d>] jfs_lookup+0x16d/0x1f0
 [<c014ee59>] vma_prio_tree_insert+0x29/0x60
 [<c0153e6d>] vma_link+0xbd/0xf0
 [<c0146910>] prep_new_page+0x60/0x70
 [<c0146f06>] buffered_rmqueue+0x116/0x230
 [<c017abdd>] d_alloc+0x13d/0x1a0
 [<c016feb1>] real_lookup+0xd1/0x100
 [<c017020d>] do_lookup+0x9d/0xb0
 [<c0170927>] __link_path_walk+0x707/0xdb0
 [<c0171019>] link_path_walk+0x49/0xe0
 [<c026a0d0>] __copy_to_user_ll+0x70/0x80
 [<c026a1a2>] copy_to_user+0x42/0x60
 [<c012dc2b>] sys_newuname+0x3b/0x70
 [<c0171378>] path_lookup+0x98/0x1a0
 [<c0171643>] __user_walk+0x33/0x60
 [<c0160325>] sys_access+0x85/0x150
 [<c016db2f>] search_binary_handler+0x25f/0x2b0
 [<c026a0d0>] __copy_to_user_ll+0x70/0x80
 [<c026a1a2>] copy_to_user+0x42/0x60
 [<c012dc2b>] sys_newuname+0x3b/0x70
 [<c01033b5>] syscall_call+0x7/0xb
Trying to fix it up, but a reboot is needed