Most recent kernel where this bug did not occur:
2.6.14-rc2-mm2
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Distribution:
SLES 9 SP2
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Hardware Environment:
2 way, Intel(R) Xeon(TM) CPU 2.80GHz, 1.5 GB
SCSI driver: IBM ServeRAID Controller
Network Driver: Broadcom Corporation NetXtreme BCM5703X Gigabit Ethernet
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Software Environment:
Linux x235b 2.6.14-rc5-I #1 SMP PREEMPT Mon Oct 31 08:46:32 PDT 2005 i686
i686 i386 GNU/Linux
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Problem Description:
On running the File System stress test, over Reiserfs encountered the OOPs message.


x235b:~ # Oops: 0002 [#1]
PREEMPT SMP DEBUG_PAGEALLOC
Modules linked in:
CPU:    2
EIP:    0060:[<c01c67f0>]    Not tainted VLI
EFLAGS: 00010286   (2.6.14-rc5-I)
EIP is at reiserfs_free_jh+0x30/0x70
eax: d63eb930   ebx: d63eb928   ecx: 00000000   edx: c5a86100
esi: f189fed8   edi: c5861540   ebp: f7d31da8   esp: f7d31d9c
ds: 007b   es: 007b   ss: 0068
Process kswapd0 (pid: 210, threadinfo=f7d30000 task=c5d7e530)
Stack: c04b07d9 f189fed8 f189fed8 f7d31dd4 c01b01ab f189fed8 c5be64e0 c5aff4c0
       c5a788a0 f8d110ec 00000001 f4313a44 c5861540 f4313a44 f7d31de8 c016775d
       c5861540 000000d0 f4313a44 f7d31e60 c014fc8f c5861540 000000d0 00000000
Call Trace:
 [<c010404b>] show_stack+0xab/0xc0
 [<c01041e6>] show_registers+0x166/0x1e0
 [<c010440d>] die+0x10d/0x1b0
 [<c04b17ec>] do_page_fault+0x3dc/0x61d
 [<c0103cdb>] error_code+0x4f/0x54
 [<c01b01ab>] reiserfs_releasepage+0x6b/0x100
 [<c016775d>] try_to_release_page+0x4d/0x60
 [<c014fc8f>] shrink_list+0x35f/0x480
 [<c014ff6b>] shrink_cache+0x10b/0x2c0
 [<c01505de>] shrink_zone+0xbe/0xf0
 [<c0150aad>] balance_pgdat+0x24d/0x3d0
 [<c0150d11>] kswapd+0xe1/0x140
 [<c01012a9>] kernel_thread_helper+0x5/0xc
Code: 0c 89 75 fc 8b 75 08 89 5d f8 8b 5e 28 85 db 74 3e c7 46 28 00 00 00 00 8d
43 08 8b 53 08 c7 43 0
 <6>note: kswapd0[210] exited with preempt_count 1
Bad page state at free_hot_cold_page (in process 'fsstress', page c5a86100)
flags:0x80010008 mapping:d0ea511c mapcount:0 count:0
Backtrace:
 [<c010407e>] dump_stack+0x1e/0x20
 [<c01476d2>] bad_page+0x82/0xc0
 [<c0147fc0>] free_hot_cold_page+0x90/0x150
 [<c014889c>] __pagevec_free+0x1c/0x30
 [<c014e80c>] release_pages+0x17c/0x190
 [<c014e847>] __pagevec_release+0x27/0x40
 [<c0150109>] shrink_cache+0x2a9/0x2c0
 [<c01505de>] shrink_zone+0xbe/0xf0
 [<c015067a>] shrink_caches+0x6a/0x90
 [<c0150782>] try_to_free_pages+0xe2/0x1c0
 [<c01485e1>] __alloc_pages+0x241/0x460
 [<c01454b5>] generic_file_buffered_write+0x125/0x660
 [<c02bc586>] xfs_write+0x886/0xc80
 [<c02b7ad0>] linvfs_aio_write+0x90/0xa0
 [<c01646ea>] do_sync_write+0xba/0x110
 [<c01647f8>] vfs_write+0xb8/0x190
 [<c016499b>] sys_write+0x4b/0x80
 [<c010317f>] sysenter_past_esp+0x54/0x75
Trying to fix it up, but a reboot is needed