kernel crash in nfs4 functions

[Guillaume Rousse]

------------[ cut here ]------------
kernel BUG at fs/nfsd/nfs4recover.c:397!
invalid opcode: 0000 [#1] SMP
Modules linked in: nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc 
af_packet
video output thermal tc1100_wmi sbs sbshc processor fan container button
snd_seq_dummy dock snd_seq_oss snd_seq_midi_event snd_seq battery 
snd_pcm_oss
snd_mixer_oss ac power_supply binfmt_misc loop nls_iso8859_1 ntfs sg
sd_mod dm_mod floppy pcspkr usb_storage scsi_mod snd_emu10k1 snd_rawmidi
snd_ac97_codec ac97_bus snd_pcm snd_seq_device snd_timer snd_page_alloc
snd_util_mem snd_hwdep emu10k1_gp snd 3c59x gameport mii soundcore ohci_hcd
ohci1394 ieee1394 ehci_hcd ide_cd ssb i2c_nforce2 shpchp usbcore pci_hotplug
pcmcia i2c_core pcmcia_core nvidia_agp agpgart evdev reiserfs ide_disk 
amd74xx
ide_core

Pid: 4570, comm: rpc.nfsd Not tainted (2.6.24-desktop-0.rc4.2mdv #1)
EIP: 0060:[<e1d0d5de>] EFLAGS: 00010202 CPU: 0
EIP is at nfsd4_init_recdir+0x7e/0x90 [nfsd]
EAX: 0000004d EBX: e1d19380 ECX: 00000092 EDX: 00000001
ESI: 00000008 EDI: 00000801 EBP: dafbdef0 ESP: dafbdedc
  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process rpc.nfsd (pid: 4570, ti=dafbc000 task=daa3e000 task.ti=dafbc000)
Stack: e1d101d8 e1d19380 00000000 00000000 00000000 dafbdf04 e1d07b75 
da835e60
        00000008 00000000 dafbdf1c e1cef618 c01ae461 da835e60 00000008 
e1cefd00
        dafbdf24 e1cefd1a dafbdf38 e1ceff68 e1d0df60 da835e60 da835e80 
dafbdfb0
Call Trace:
  [<c01094ca>] show_trace_log_lvl+0x1a/0x30
  [<c010958b>] show_stack_log_lvl+0xab/0xd0
  [<c010966d>] show_registers+0xbd/0x1c0
  [<c0109894>] die+0x124/0x250
  [<c0109a51>] do_trap+0x91/0xc0
  [<c0109d68>] do_invalid_op+0x88/0xa0
  [<c033bdea>] error_code+0x72/0x78
  [<e1d07b75>] nfs4_state_start+0x25/0xe0 [nfsd]
  [<e1cef618>] nfsd_svc+0x48/0x130 [nfsd]
  [<e1cefd1a>] write_svc+0x1a/0x20 [nfsd]
  [<e1ceff68>] nfsctl_transaction_write+0x58/0x80 [nfsd]
  [<c01bed49>] sys_nfsservctl+0x129/0x190
  [<c010830e>] sysenter_past_esp+0x6b/0xa1
  =======================
Code: 00 2a d2 e1 01 00 00 00 8b 55 f4 8b 45 f8 e8 4a ff ff ff 83 c4 10 
5b 5d
c3 89 5c 24 04 c7 04 24 10 02 d1 e1 e8 a4 2d 42 de eb dd <0f> 0b eb fe 
8d b4 26
00 00 00 00 8d bc 27 00 00 00 00 55 89 e5
EIP: [<e1d0d5de>] nfsd4_init_recdir+0x7e/0x90 [nfsd] SS:ESP 0068:dafbdedc

Reported by a mandriva user here
http://qa.mandriva.com/show_bug.cgi?id=36042
-- 
Guillaume Rousse
Moyens Informatiques - INRIA Futurs
Tel: 01 69 35 69 62