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Re: xfs and nfs

To: linux-xfs@xxxxxxxxxxx
Subject: Re: xfs and nfs
From: Robert Sander <ml-linux-xfs@xxxxxxxxxxxxxxx>
Date: Wed, 7 Nov 2001 14:05:43 +0000 (UTC)
Organization: Epigenomics AG
References: <200111071047.LAA26443@xxxxxxxxxxxxxxxxxxxxxx>
Reply-to: Robert Sander <gurubert-news@xxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: slrn/0.9.7.2 (Linux)
Hi!

We got today 4 times this oops:

Nov  7 14:33:24 raman kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000000
Nov  7 14:33:24 raman kernel: 00000000
Nov  7 14:33:24 raman kernel: *pde = 00000000
Nov  7 14:33:24 raman kernel: Oops: 0000
Nov  7 14:33:24 raman kernel: CPU:    0
Nov  7 14:33:24 raman kernel: EIP:    0010:[<00000000>]
Nov  7 14:33:24 raman kernel: EFLAGS: 00010286
Nov  7 14:33:24 raman kernel: eax: 00000000   ebx: f6c8cd60   ecx: 00000000   
edx: c0279de0
Nov  7 14:33:24 raman kernel: esi: f6c8c960   edi: f6c8cd60   ebp: f6c8cd60   
esp: f63a3e4c
Nov  7 14:33:24 raman kernel: ds: 0018   es: 0018   ss: 0018
Nov  7 14:33:24 raman kernel: Process nfsd (pid: 455, stackpage=f63a3000)
Nov  7 14:33:24 raman kernel: Stack: f8a5efd4 d25fd6e0 f6c8c960 f5dab404 
f75e1c00 f8a5f419 f6c8cd60 f5dab404 
Nov  7 14:33:24 raman kernel:        00000002 f5d17000 11270000 00000000 
f75e1e08 00000002 f8a5f739 f75e1c00 
Nov  7 14:33:24 raman kernel:        f5dab414 00000002 00000001 00000001 
00000003 00000003 f6d708b2 f5dab404 
Nov  7 14:33:24 raman kernel: Call Trace: [<f8a5efd4>] [<f8a5f419>] 
[<f8a5f739>] [reschedule_idle+575/588] [<f8a60042>] 
Nov  7 14:33:24 raman kernel:    [<f8a65fc2>] [<f8a6d700>] [<f8a67c7c>] 
[<f8a6d700>] [<f8a5d5a3>] [<f8a6d700>] 
Nov  7 14:33:24 raman kernel:    [<f8a44198>] [<f8a6d640>] [<f8a6d118>] 
[<f8a5d349>] [kernel_thread+35/48] 
Nov  7 14:33:24 raman kernel: Code:  Bad EIP value.

>>EIP; 00000000 Before first symbol
Trace; f8a5efd4 <[nfsd]nfsd_findparent+34/fc>
Trace; f8a5f419 <[nfsd]find_fh_dentry+209/32c>
Trace; f8a5f739 <[nfsd]fh_verify+1fd/40c>
Trace; f8a65fc2 <[nfsd]nfsd3_proc_lookup+13a/14c>
Trace; f8a6d700 <[nfsd]nfsd_procedures3+60/2c0>
Trace; f8a67c7c <[nfsd]nfs3svc_decode_diropargs+98/10c>
Trace; f8a6d700 <[nfsd]nfsd_procedures3+60/2c0>
Trace; f8a5d5a3 <[nfsd]nfsd_dispatch+cb/168>
Trace; f8a6d700 <[nfsd]nfsd_procedures3+60/2c0>
Trace; f8a44198 <[sunrpc]svc_process+2ac/544>
Trace; f8a6d640 <[nfsd]nfsd_svcstats+0/40>
Trace; f8a6d118 <[nfsd]nfsd_version3+0/10>
Trace; f8a5d349 <[nfsd]nfsd+1b9/348>

running the 2.4.8 Mandrake kernel with XFS.

Yesterday we got a test machine where I can test the latest
kernels, so maybe an upgrade happens at saturday.

Greetings
-- 
Robert Sander
Computer Scientist                                       Epigenomics AG
Bioinformatics R&D        www.epigenomics.com         Kastanienallee 24
+493024345330                                              10435 Berlin


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