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Subject[OOPS] nfsv4 in linux 2.6.13 (-ck7)
This oops seems to occur during heavy i/o load over nfsv4.

nfs-utils version 1.0.7

OOps follows, what other information is needed?

[kernel] Unable to handle kernel paging request at 0000000000100108 RIP:
[kernel] <ffffffff80185e98>{generic_drop_inode+56}
[kernel] PGD 34e3b067 PUD 34e68067 PMD 0
[kernel] CPU 0
[kernel] Modules linked in: nvidia snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_pcm_oss snd_mixer_oss snd_seq_oss snd_seq_midi_event sn
d_seq snd_emu10k1 snd_rawmidi snd_seq_device snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_util_mem snd_hwdep snd
[kernel] Pid: 179, comm: kswapd0 Tainted: P 2.6.13-ck7
[kernel] RIP: 0010:[<ffffffff80185e98>] <ffffffff80185e98>{generic_drop_inode+56}
[kernel] RSP: 0018:ffff81003fcd7b68 EFLAGS: 00010246
[kernel] RAX: 0000000000100100 RBX: ffff81001a58c950 RCX: 0000000000200200
[kernel] RDX: ffff81001a58c960 RSI: ffff81003eb84000 RDI: ffff81001a58c950
[kernel] RBP: ffff81001a58c950 R08: 00000000fffffffa R09: ffff81001a58ca68
[kernel] R10: 0000000000000001 R11: ffffffff80185e60 R12: 0000000000000000
[kernel] R13: ffff81001a58c7d0 R14: ffff81001a58c860 R15: ffff81003f1f5200
[kernel] FS: 0000000040800960(0000) GS:ffffffff80494800(0000) knlGS:0000000056160040
[kernel] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[kernel] CR2: 0000000000100108 CR3: 0000000034de7000 CR4: 00000000000006e0
[kernel] Process kswapd0 (pid: 179, threadinfo ffff81003fcd6000, task ffff81003fcb2760)
[kernel] Stack: ffff81003f1f5c00 ffffffff801d7a25 00000001803e8238 ffff81003fcd7c18
[kernel] ffffffffffffffff ffff81003fcd7c18 ffff81003fcd7c00 ffff81001a58c938
[kernel] 0000000000000000 0000000000000000
[kernel] Call Trace:<ffffffff801d7a25>{__nfs_revalidate_inode+261} <ffffffff8014e5df>{find_get_pages_tag+31}
[kernel] <ffffffff8015781a>{pagevec_lookup_tag+26} <ffffffff8014e00e>{wait_on_page_writeback_range+206}
[kernel] <ffffffff801f11ba>{nfs_do_return_delegation+42} <ffffffff801f12e5>{nfs_inode_return_delegation+197}
[kernel] <ffffffff801d8a10>{nfs4_clear_inode+32} <ffffffff80184cfe>{clear_inode+158}
[kernel] <ffffffff8018594e>{dispose_list+94} <ffffffff80185b82>{shrink_icache_memory+434}
[kernel] <ffffffff8015806b>{shrink_slab+219} <ffffffff80159517>{balance_pgdat+695}
[kernel] <ffffffff801597a8>{kswapd+312} <ffffffff80143b30>{autoremove_wake_function+0}
[kernel] <ffffffff80143b30>{autoremove_wake_function+0} <ffffffff8010f30e>{child_rip+8}
[kernel] <ffffffff80159670>{kswapd+0} <ffffffff8010f306>{child_rip+0}
[kernel] Code: 48 89 48 08 48 89 01 48 8b 05 aa 43 26 00 48 89 50 08 48 89
[kernel] RIP <ffffffff80185e98>{generic_drop_inode+56} RSP <ffff81003fcd7b68>

Gabriel A. Devenyi
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