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Subject2.5.70 kernel BUG include/linux/dcache.h:271!
Sony Vaio FXA36 Athlon laptop
Red Hat Linux Rawhide

After 5 days of uptime on 2.5.70, I noticed this in my dmesg. I don't
know what I was doing at the time when this happened. Known bug? Let
me know if you want more information about my hardware/software setup.

Please CC me in reply, I am not subscribed to lkml.

Warren Togami

------------[ cut here ]------------
kernel BUG at include/linux/dcache.h:271!
invalid operand: 0000 [#1]
CPU: 0
EIP: 0060:[<c016ed76>] Not tainted
EFLAGS: 00010246
EIP is at set_fs_pwd+0x36/0x90
eax: 00000000 ebx: dfd19de0 ecx: c07be600 edx: dfff28c0
esi: dfff28c0 edi: cbd20ec0 ebp: dfff28c0 esp: c9395f90
ds: 007b es: 007b ss: 0068
Process updatedb (pid: 18515, threadinfo=c9394000 task=cec24cc0)
Stack: c07be600 d0c68ac0 00000000 c07be600 c0150686 dfd19de0 dfff28c0
00000005 00058f78 00000000 c9394000 c01092a5 00000005 00000000
00058f78 00000000 bffffc28 00000085 0000007b 0000007b 00000085
Call Trace:
[<c0150686>] sys_fchdir+0x96/0xa0
[<c01092a5>] sysenter_past_esp+0x52/0x71

Code: 0f 0b 0f 01 fb e0 30 c0 ff 01 89 4b 0c b8 00 e0 ff ff 21 e0
<6>note: updatedb[18515] exited with preempt_count 1
bad: scheduling while atomic!
Call Trace:
[<c01197e7>] schedule+0x397/0x3a0
[<c0142b43>] unmap_page_range+0x43/0x70
[<c0142d30>] unmap_vmas+0x1c0/0x220
[<c0146bdb>] exit_mmap+0x7b/0x190
[<c011b144>] mmput+0x54/0xb0
[<c011ee59>] do_exit+0x119/0x400
[<c0109e70>] do_invalid_op+0x0/0xd0
[<c0109af1>] die+0xe1/0xf0
[<c0109f39>] do_invalid_op+0xc9/0xd0
[<c016ed76>] set_fs_pwd+0x36/0x90
[<c015b905>] cp_new_stat64+0x105/0x110
[<c01094a1>] error_code+0x2d/0x38
[<c016ed76>] set_fs_pwd+0x36/0x90
[<c0150686>] sys_fchdir+0x96/0xa0
[<c01092a5>] sysenter_past_esp+0x52/0x71

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