Messages in this thread | | | Date | Thu, 14 Jun 2007 17:34:40 +0200 | From | Maciej Soltysiak <> | Subject | Re: 2.6.21.14 NFS related oops |
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Trond Myklebust pisze: > On Wed, 2007-06-13 at 14:00 +0200, Maciej Soltysiak wrote: > >> Hi, >> >> If anyone is interested I got this OOPS while running a torrent >> (btdownloadcurses) >> application writing directly to a NAS mounted via nfs3. >> >> The client machine is 2.6.21.14 and it is mounted with options: >> wsize=8192,rsize=8192,hard,intr,tcp >> > > Hmm. The Oops says '2.6.20.14-cks1' > > Firstly, does that have any extra out-of-tree patches? > Secondly, is it reproducible with 2.6.21 or a more recent kernel? > > Ah, yes, 2.6.20.14 not 2.6.21.14 and it does contain 2 extra things: - Con Kolivas' -cks1 (server version) - reiser4 code, one mounted filesystem. >> After that, the application hung and i am unable to cd into the mounted >> nfs directory >> nor unmount it (busy), nor kill the app (kill -9 fails, process in D state) >> >> Best regards, >> Maciej >> >> BUG: unable to handle kernel paging request at virtual address 5018f248 >> printing eip: >> f0a93c94 >> *pde = 00000000 >> Oops: 0002 [#1] >> Modules linked in: binfmt_misc sit nfs lockd nfs_acl sunrpc w83627ehf >> i2c_isa i2c_viapro i2c_core via_agp agpgart rtc >> CPU: 0 >> EIP: 0060:[<f0a93c94>] Not tainted VLI >> EFLAGS: 00010206 (2.6.20.14-cks1 #15) >> EIP is at rpcauth_checkverf+0x34/0x70 [sunrpc] >> eax: d2f4447c ebx: c655d584 ecx: 00000000 edx: f0aa9f60 >> esi: e91ea640 edi: d2f44474 ebp: ede2f228 esp: e64b5eec >> ds: 007b es: 007b ss: 0068 >> Process rpciod/0 (pid: 1005, ti=e64b4000 task=efe95a90 task.ti=e64b4000) >> Stack: 00000286 ede2f8a0 ede2f8a0 00000286 c655d584 121d0da3 00000820 >> f0a8d7fd >> f0a93d60 f08bae07 00000286 c655d5cc 00000286 00000286 f08c0520 >> c655d584 >> 00000000 c655d5ec f0a93260 f0a9306f efe95a90 ee2d5740 e092ffb0 >> c034e11c >> Call Trace: >> [<f0a8d7fd>] call_decode+0x27d/0x5e0 [sunrpc] >> [<f0a93d60>] rpcauth_unbindcred+0x20/0x60 [sunrpc] >> [<f08bae07>] nfs_readpage_result_full+0xf7/0x120 [nfs] >> [<f08c0520>] nfs3_xdr_readres+0x0/0x160 [nfs] >> [<f0a93260>] rpc_async_schedule+0x0/0x10 [sunrpc] >> [<f0a9306f>] __rpc_execute+0x5f/0x250 [sunrpc] >> [<c034e11c>] schedule+0x21c/0x450 >> [<c01283aa>] run_workqueue+0x7a/0x110 >> [<c0128a07>] worker_thread+0x137/0x160 >> [<c01176b0>] default_wake_function+0x0/0x10 >> [<c01288d0>] worker_thread+0x0/0x160 >> [<c012b329>] kthread+0xa9/0xe0 >> [<c012b280>] kthread+0x0/0xe0 >> [<c0103a97>] kernel_thread_helper+0x7/0x10 >> ======================= >> Code: 10 89 5c 24 10 89 c3 89 7c 24 18 89 d7 89 74 24 14 8b 70 28 75 1a 8b >> 4e 08 89 fa 89 d8 ff 51 18 8b 5c 24 10 83 74 24 14 8b 7c 24 <18> 83 c4 1c c3 >> 89 74 24 0c 8b 40 10 8b 40 24 8b 40 10 8b 40 08 EIP: [<f0a93c94>] >> rpcauth_checkverf+0x34/0x70 [sunrpc] SS:ESP 0068:e64b5eec >> > > At a first guess, it looks as though something has scribbled over your > credential. Have you tried running this kernel with slab debugging > enabled? > > No, i will turn it on, though. The server crashes on heavy NFS traffic (eg. nightly rsync backup) It crashed again today, but the oops did not get written to kern.log > Cheers > Trond > Thanks for your reply and best regards, Maciej
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