rpc.idmapd OOPS

Normal NFS traffic and some io-related timeouts occurring, caused an oops

Jul 25 00:38:06 vdr kernel: [136612.081512] *pdpt = 0000000037624001 *pde = 0000000000000000
Jul 25 00:38:06 vdr kernel: [136612.081518] Oops: 0000 [#1] SMP
Jul 25 00:38:06 vdr kernel: [136612.081524] Modules linked in: snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq l64781 snd_timer snd_seq_device budget budget_core snd p4_clockmod saa7146 ttpci_eeprom microcode soundcore fschmd dvb_core serio_raw snd_page_alloc i2c_i801 ipv6 usbhid hid
Jul 25 00:38:06 vdr kernel: [136612.081558]
Jul 25 00:38:06 vdr kernel: [136612.081564] Pid: 274, comm: rpc.idmapd Tainted: G W 3.4.0-rc7+ #4 FUJITSU SIEMENS SCENIC W/D1567
Jul 25 00:38:06 vdr kernel: [136612.081571] EIP: 0060:[<c036968d>] EFLAGS: 00010246 CPU: 1
Jul 25 00:38:06 vdr kernel: [136612.081576] EIP is at __key_instantiate_and_link+0x5d/0xc0
Jul 25 00:38:06 vdr kernel: [136612.081579] EAX: f3bd75d0 EBX: 00000000 ECX: 00000002 EDX: f7609f2d
Jul 25 00:38:06 vdr kernel: [136612.081583] ESI: f3bd75d0 EDI: fffffff0 EBP: f7609e38 ESP: f7609e20
Jul 25 00:38:06 vdr kernel: [136612.081586] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Jul 25 00:38:06 vdr kernel: [136612.081590] CR0: 8005003b CR2: 0000000c CR3: 37558000 CR4: 000007f0
Jul 25 00:38:06 vdr kernel: [136612.081594] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
Jul 25 00:38:06 vdr kernel: [136612.081597] DR6: ffff0ff0 DR7: 00000400
Jul 25 00:38:06 vdr kernel: [136612.081606] 00000002 f7609f2d f3bd7614 f3bd75d0 00000000 f4de8400 f7609e64 c036974a
Jul 25 00:38:06 vdr kernel: [136612.081616] f4de8400 00000000 f7609e54 00000002 f7609f2d 00000001 f7609f2d 00000000
Jul 25 00:38:06 vdr kernel: [136612.081625] f3bd75d0 f7609e84 c03282e2 f4de8400 00000000 f4de8400 f68299f8 f7609f2d
Jul 25 00:38:06 vdr kernel: [136612.081642] [<c036974a>] key_instantiate_and_link+0x5a/0xa0
Jul 25 00:38:06 vdr kernel: [136612.081650] [<c03282e2>] nfs_idmap_instantiate+0x42/0x50
Jul 25 00:38:06 vdr kernel: [136612.081655] [<c0328690>] idmap_pipe_downcall+0x100/0x170
Jul 25 00:38:06 vdr kernel: [136612.081663] [<c021b3f8>] ? rw_verify_area+0x68/0x120
Jul 25 00:38:06 vdr kernel: [136612.081671] [<c06e83b9>] rpc_pipe_write+0x49/0x70
Jul 25 00:38:06 vdr kernel: [136612.081676] [<c021b822>] vfs_write+0xa2/0x170
Jul 25 00:38:06 vdr kernel: [136612.081681] [<c06e8370>] ? rpc_pipe_poll+0x90/0x90
Jul 25 00:38:06 vdr kernel: [136612.081686] [<c021b9c2>] sys_write+0x42/0x70
Jul 25 00:38:06 vdr kernel: [136612.081693] [<c0707313>] sysenter_do_call+0x12/0x22
Jul 25 00:38:06 vdr kernel: [136612.081767] CR2: 000000000000000c
Jul 25 00:38:06 vdr kernel: [136612.081772] ---[ end trace 09cf31c7c79732c1 ]---

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: nfs-common 1:1.2.2-1ubuntu1.2
Uname: Linux 3.4.0-rc7+ i686
Architecture: i386
Date: Wed Jul 25 18:08:25 2012
InstallationMedia: Ubuntu-Server 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: nfs-utils