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SubjectOops: nfsd/reiserfs, 2.4.20 with preemption
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Hello there.

I have been experiencing some very odd nfs problems lately; eventually I
was able to get this output:

------------------------------------------------------------

nfsd/reiserfs, fhtype=0, len=-603226364 - odd
Unable to handle kernel paging request at virtual address 9110d6ff
printing eip:
d6bec2b0
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<d6bec2b0>] Not tainted
EFLAGS: 00010282
eax: d6bec200 ebx: dc0b6084 ecx: 00000000 edx: dc0b7e9c
esi: bec2a8d6 edi: d6f27880 ebp: c15c06f8 esp: dc0b7e3c
ds: 0018 es: 0018 ss: 0018
Process nfsd (pid: 229, stackpage=dc0b7000)
Stack: c0145b01 d6f27880 dc0b7e9c dc0b6000 00000000 c15c06f8 00000000 c0145dde
d6bec280 00000000 c15c06f8 c0175574 dc0b7e9c 00000005 dc0b7ebc 00000000
d6bec280 c01755b3 d6bec280 00000000 c0175574 dc0b7e9c 00000005 dc0b14a4
Call Trace: [<c0145b01>] [<c0145dde>] [<c0175574>] [<c01755b3>] [<c0175574>]
[<c01756bc>] [<c013bc10>] [<e29cec35>] [<e29cf54d>] [<e29b4be4>] [<e29d4d28>]
[<e29dbaac>] [<e29dbaac>] [<e29cc5c3>] [<e29b482f>] [<e29db3f8>] [<e29cc3a0>]
[<c01055dc>]

Code: 10 91 ff d6 10 91 ff d6 00 00 00 00 dc c2 be d6 03 00 00 00
<6>note: nfsd[229] exited with preempt_count 1

------------------------------------------------------------

Specifics of my system:

Pentium III, Debian Woody, kernel 2.4.20 with prempt patches:

ext3-scheduling-storm.patch sync_fs-fix-2.patch
ext3-use-after-free.patch sync_fs-fix.patch
preempt-kernel-rml-2.4.20-1.patch sync_fs.patch

running knfsd and reiserfs. I have not seen this error reported within
the lkml archives. Let me know if additional information is needed to
track down this problem.

As that I am not subscribed to this list, please CC all replies to the
address below. Thanks.

--
Jason Tang / tang@jtang.org / http://www.jtang.org/~tang
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