I've just had the following oops with nfsd on an XFS file system using a
CVS kernel from July 22nd - not sure if it's XFS or NFS related ...
I'm running this kernel as I previous had problems with 2.4.18-xfs-1.1
and nfsd locking up - see:
http://marc.theaimsgroup.com/?l=linux-xfs&m=102579948531207&w=2
This time I get similar symptoms, but I guess it may not be related as I
get an oops.
Thanks
James Pearson
Unable to handle kernel NULL pointer dereference at virtual address
00000090
c01d4a88
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c01d4a88>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010202
eax: 00000070 ebx: 00000070 ecx: c02d2a8c edx: 00000090
esi: 00000008 edi: 00000008 ebp: f2974d24 esp: f71f9e14
ds: 0018 es: 0018 ss: 0018
Process nfsd (pid: 1241, stackpage=f71f9000)
Stack: ffffffe8 c01a81f6 00000070 00000000 00000000 00000000 f7917c00
f71f9e80
0000000a f7248800 c01c042b f7917c00 00000000 7097d0a1 00000000
00000008
f71f9e60 00000000 00000000 e59c2400 f7917c00 f7320814 f779c400
c01d2d92
Call Trace: [<c01a81f6>] [<c01c042b>] [<c01d2d92>] [<f89d7ed8>]
[<f89d831f>]
[<f89d8841>] [<f89deff7>] [<f89e5fa0>] [<f89d65a7>] [<f89e5fa0>]
[<f8995da3>]
[<f89e5958>] [<f89e5978>] [<f89d63ab>] [<c0107296>] [<f89d61a0>]
Code: f0 fe 4b 20 0f 88 dc 02 00 00 66 83 7b 06 00 74 3f 0f b7 43
>>EIP; c01d4a88 <mraccessf+8/70> <=====
Trace; c01a81f6 <xfs_iget+116/170>
Trace; c01c042b <xfs_vget+4b/d8>
Trace; c01d2d92 <linvfs_fh_to_dentry+72/fc>
Trace; f89d7ed8 <[nfsd]nfsd_get_dentry+28/b0>
Trace; f89d831f <[nfsd]find_fh_dentry+3f/340>
Trace; f89d8841 <[nfsd]fh_verify+221/420>
Trace; f89deff7 <[nfsd]nfsd3_proc_getattr+97/b0>
Trace; f89e5fa0 <[nfsd]nfsd_procedures3+20/2c0>
Trace; f89d65a7 <[nfsd]nfsd_dispatch+b7/17b>
Trace; f89e5fa0 <[nfsd]nfsd_procedures3+20/2c0>
Trace; f8995da3 <[sunrpc]svc_process+333/4e8>
Trace; f89e5958 <[nfsd]nfsd_version3+0/10>
Trace; f89e5978 <[nfsd]nfsd_program+0/18>
Trace; f89d63ab <[nfsd]nfsd+20b/350>
Trace; c0107296 <kernel_thread+26/30>
Trace; f89d61a0 <[nfsd]nfsd+0/350>
Code; c01d4a88 <mraccessf+8/70>
00000000 <_EIP>:
Code; c01d4a88 <mraccessf+8/70> <=====
0: f0 fe 4b 20 lock decb 0x20(%ebx) <=====
Code; c01d4a8c <mraccessf+c/70>
4: 0f 88 dc 02 00 00 js 2e6 <_EIP+0x2e6> c01d4d6e
<.text.lock.mrlock+24/96>
Code; c01d4a92 <mraccessf+12/70>
a: 66 83 7b 06 00 cmpw $0x0,0x6(%ebx)
Code; c01d4a97 <mraccessf+17/70>
f: 74 3f je 50 <_EIP+0x50> c01d4ad8
<mraccessf+58/70>
Code; c01d4a99 <mraccessf+19/70>
11: 0f b7 43 00 movzwl 0x0(%ebx),%eax
26 warnings and 3 errors issued. Results may not be reliable.
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