nfsd oops on Linus' current tree.
From: Dave Jones
Date: Fri Dec 21 2012 - 10:33:45 EST
Did a mount from a client (also running Linus current), and the
server spat this out..
[ 6936.306135] ------------[ cut here ]------------
[ 6936.306154] WARNING: at net/sunrpc/clnt.c:617 rpc_shutdown_client+0x12a/0x1b0 [sunrpc]()
[ 6936.306156] Hardware name:
[ 6936.306157] Modules linked in: ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack nf_conntrack ip6table_filter ip6_tables xfs coretemp iTCO_wdt iTCO_vendor_support snd_emu10k1 microcode snd_util_mem snd_ac97_codec ac97_bus snd_hwdep snd_seq snd_pcm snd_page_alloc snd_timer e1000e snd_rawmidi snd_seq_device snd emu10k1_gp pcspkr i2c_i801 soundcore gameport lpc_ich mfd_core i82975x_edac edac_core vhost_net tun macvtap macvlan kvm_intel kvm binfmt_misc nfsd auth_rpcgss nfs_acl lockd sunrpc btrfs libcrc32c zlib_deflate usb_storage firewire_ohci firewire_core sata_sil crc_itu_t radeon i2c_algo_bit drm_kms_helper ttm drm i2c_core floppy
[ 6936.306214] Pid: 52, comm: kworker/u:2 Not tainted 3.7.0+ #34
[ 6936.306216] Call Trace:
[ 6936.306224] [<ffffffff8106badf>] warn_slowpath_common+0x7f/0xc0
[ 6936.306227] [<ffffffff8106bb3a>] warn_slowpath_null+0x1a/0x20
[ 6936.306235] [<ffffffffa02c62ca>] rpc_shutdown_client+0x12a/0x1b0 [sunrpc]
[ 6936.306240] [<ffffffff81368318>] ? delay_tsc+0x98/0xf0
[ 6936.306252] [<ffffffffa034a60b>] nfsd4_process_cb_update.isra.16+0x4b/0x230 [nfsd]
[ 6936.306256] [<ffffffff8109677c>] ? __rcu_read_unlock+0x5c/0xa0
[ 6936.306260] [<ffffffff81370d46>] ? debug_object_deactivate+0x46/0x130
[ 6936.306269] [<ffffffffa034a87d>] nfsd4_do_callback_rpc+0x8d/0xa0 [nfsd]
[ 6936.306272] [<ffffffff810900f7>] process_one_work+0x207/0x760
[ 6936.306274] [<ffffffff81090087>] ? process_one_work+0x197/0x760
[ 6936.306277] [<ffffffff81090afe>] ? worker_thread+0x21e/0x440
[ 6936.306285] [<ffffffffa034a7f0>] ? nfsd4_process_cb_update.isra.16+0x230/0x230 [nfsd]
[ 6936.306289] [<ffffffff81090a3e>] worker_thread+0x15e/0x440
[ 6936.306292] [<ffffffff810908e0>] ? rescuer_thread+0x250/0x250
[ 6936.306295] [<ffffffff8109b16d>] kthread+0xed/0x100
[ 6936.306299] [<ffffffff810dd86e>] ? put_lock_stats.isra.25+0xe/0x40
[ 6936.306302] [<ffffffff8109b080>] ? kthread_create_on_node+0x160/0x160
[ 6936.306307] [<ffffffff81711e2c>] ret_from_fork+0x7c/0xb0
[ 6936.306310] [<ffffffff8109b080>] ? kthread_create_on_node+0x160/0x160
[ 6936.306312] ---[ end trace 5bab69e086ae3c6f ]---
[ 6936.363213] ------------[ cut here ]------------
[ 6936.363226] WARNING: at fs/nfsd/vfs.c:937 nfsd_vfs_read.isra.13+0x197/0x1b0 [nfsd]()
[ 6936.363229] Hardware name:
[ 6936.363230] Modules linked in: ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack nf_conntrack ip6table_filter ip6_tables xfs coretemp iTCO_wdt iTCO_vendor_support snd_emu10k1 microcode snd_util_mem snd_ac97_codec ac97_bus snd_hwdep snd_seq snd_pcm snd_page_alloc snd_timer e1000e snd_rawmidi snd_seq_device snd emu10k1_gp pcspkr i2c_i801 soundcore gameport lpc_ich mfd_core i82975x_edac edac_core vhost_net tun macvtap macvlan kvm_intel kvm binfmt_misc nfsd auth_rpcgss nfs_acl lockd sunrpc btrfs libcrc32c zlib_deflate usb_storage firewire_ohci firewire_core sata_sil crc_itu_t radeon i2c_algo_bit drm_kms_helper ttm drm i2c_core floppy
[ 6936.363284] Pid: 699, comm: nfsd Tainted: G W 3.7.0+ #34
[ 6936.363286] Call Trace:
[ 6936.363293] [<ffffffff8106badf>] warn_slowpath_common+0x7f/0xc0
[ 6936.363296] [<ffffffff8106bb3a>] warn_slowpath_null+0x1a/0x20
[ 6936.363302] [<ffffffffa031ef77>] nfsd_vfs_read.isra.13+0x197/0x1b0 [nfsd]
[ 6936.363310] [<ffffffffa0321948>] nfsd_read_file+0x88/0xb0 [nfsd]
[ 6936.363317] [<ffffffffa0332956>] nfsd4_encode_read+0x186/0x260 [nfsd]
[ 6936.363325] [<ffffffffa03391cc>] nfsd4_encode_operation+0x5c/0xa0 [nfsd]
[ 6936.363333] [<ffffffffa032e5a9>] nfsd4_proc_compound+0x289/0x780 [nfsd]
[ 6936.363339] [<ffffffffa0319e5b>] nfsd_dispatch+0xeb/0x230 [nfsd]
[ 6936.363355] [<ffffffffa02d3d38>] svc_process_common+0x328/0x6d0 [sunrpc]
[ 6936.363365] [<ffffffffa02d4433>] svc_process+0x103/0x160 [sunrpc]
[ 6936.363371] [<ffffffffa031921b>] nfsd+0xdb/0x160 [nfsd]
[ 6936.363378] [<ffffffffa0319140>] ? nfsd_destroy+0x210/0x210 [nfsd]
[ 6936.363381] [<ffffffff8109b16d>] kthread+0xed/0x100
[ 6936.363385] [<ffffffff810dd86e>] ? put_lock_stats.isra.25+0xe/0x40
[ 6936.363388] [<ffffffff8109b080>] ? kthread_create_on_node+0x160/0x160
[ 6936.363393] [<ffffffff81711e2c>] ret_from_fork+0x7c/0xb0
[ 6936.363396] [<ffffffff8109b080>] ? kthread_create_on_node+0x160/0x160
[ 6936.363398] ---[ end trace 5bab69e086ae3c70 ]---
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