Public bug reported:
A message like this appeared to my syslog which doesn't look normal.
kernel: Linux sandbox 2.6.24-5-generic #1 SMP Thu Jan 24 19:45:21 UTC
2008 i686 GNU/Linux
[17672.428912] Bad page state in process 'kswapd0'
[17672.428916] page:c1441560 flags:0x40010008 mapping:00000000 mapcount:-1
count:0
[17672.428918] Trying to fix it up, but a reboot is needed
[17672.428919] Backtrace:
[17672.428931] Pid: 145, comm: kswapd0 Tainted: P 2.6.24-5-generic #1
[17672.428964] [<c016e653>] bad_page+0x63/0xa0
[17672.429067] [<c016ed37>] free_hot_cold_page+0x187/0x1a0
[17672.429074] [<c0213b7f>] radix_tree_delete+0xef/0x220
[17672.429086] [<c016ed76>] __pagevec_free+0x26/0x30
[17672.429093] [<c01727e1>] __pagevec_release_nonlru+0x51/0x60
[17672.429113] [<c0173f5d>] shrink_page_list+0x25d/0x600
[17672.429127] [<f88e5bdb>] scsi_end_request+0xab/0xe0 [scsi_mod]
[17672.429185] [<c017345f>] isolate_lru_pages+0x5f/0x1c0
[17672.429199] [<c017440d>] shrink_inactive_list+0x10d/0x350
[17672.429234] [<c01746ec>] shrink_zone+0x9c/0x100
[17672.429244] [<c0174d8c>] kswapd+0x44c/0x490
[17672.429266] [<c0141bc0>] autoremove_wake_function+0x0/0x40
[17672.429277] [<c0124a10>] complete+0x40/0x60
[17672.429287] [<c0174940>] kswapd+0x0/0x490
[17672.429292] [<c0141902>] kthread+0x42/0x70
[17672.429296] [<c01418c0>] kthread+0x0/0x70
[17672.429301] [<c0106677>] kernel_thread_helper+0x7/0x10
[17672.429313] =======================
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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[hardy] Bad page state in process 'kswapd0'
https://bugs.launchpad.net/bugs/188730
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