Public bug reported:
I found my machine "hung" (not really, just unable to do much of
anything with it since nfs4 was wedged) and discovered the following in
the syslog (in the WifiSyslog attachment):
Jan 17 07:23:02 pc kernel: [150100.860016] kernel BUG at
/build/buildd/linux-2.6.35/net/sunrpc/rpc_pipe.c:474!
Jan 17 07:23:02 pc kernel: [150100.865098] invalid opcode: 0000 [#1] SMP
Jan 17 07:23:02 pc kernel: [150100.865098] last sysfs file:
/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/ATK0110:00/hwmon/hwmon2/temp2_input
Jan 17 07:23:02 pc kernel: [150100.879734] Modules linked in: des_generic
binfmt_misc vboxnetadp vboxnetflt vboxdrv ipt_MASQUERADE iptable_nat bridge stp
kvm_amd kvm autofs4 xt_hl nf_conntrack_ipv6 xt_limit ipt_REJECT xt_tcpudp
ipt_addrtype snd_hda_codec_analog snd_emu10k1_synth snd_emux_synth
snd_seq_virmidi snd_seq_midi_emul rpcsec_gss_krb5 snd_usb_audio snd_emu10k1
nfsd xt_state snd_hda_intel snd_ac97_codec nvidia(P) snd_hda_codec ac97_bus
snd_util_mem exportfs snd_usbmidi_lib snd_pcm snd_hwdep nfs snd_seq_midi
ip6table_filter ip6_tables snd_rawmidi nf_nat_irc hwmon_vid nf_conntrack_irc
nf_nat_ftp nf_nat lockd fscache uvcvideo nfs_acl videodev eeprom
snd_seq_midi_event nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack_ftp snd_seq
nf_conntrack auth_rpcgss iptable_filter snd_timer ip_tables x_tables
i2c_nforce2 v4l1_compat sunrpc snd_seq_device snd lp soundcore snd_page_alloc
usblp ppdev parport_pc asus_atk0110 emu10k1_gp psmouse gameport k8temp parport
agpgart serio_raw raid10 raid456 async_raid6_recov async_
Jan 17 07:23:02 pc kernel: q raid6_pq async_xor async_memcpy async_tx raid1
raid0 multipath linear dm_raid45 floppy firewire_ohci firewire_core xor sata_nv
pata_amd forcedeth crc_itu_t
Jan 17 07:23:02 pc kernel: [150100.879734]
Jan 17 07:23:02 pc kernel: [150100.879734] Pid: 16730, comm: mount.nfs4
Tainted: P 2.6.35-24-generic #42-Ubuntu M2NPV-VM/System Product Name
Jan 17 07:23:02 pc kernel: [150100.879734] EIP: 0060:[<f8289f39>] EFLAGS:
00010246 CPU: 0
Jan 17 07:23:02 pc kernel: [150100.879734] EIP is at
__rpc_create_common+0x79/0xb0 [sunrpc]
Jan 17 07:23:02 pc kernel: [150100.879734] EAX: ec9a1e00 EBX: ec9a1e00 ECX:
00001180 EDX: f6739770
Jan 17 07:23:02 pc kernel: [150100.879734] ESI: ec9a1e78 EDI: f6739770 EBP:
efddbbb4 ESP: efddbb98
Jan 17 07:23:02 pc kernel: [150100.879734] DS: 007b ES: 007b FS: 00d8 GS:
00e0 SS: 0068
Jan 17 07:23:02 pc kernel: [150100.879734] Process mount.nfs4 (pid: 16730,
ti=efdda000 task=f6ae0cb0 task.ti=efdda000)
Jan 17 07:23:02 pc kernel: [150100.879734] Stack:
Jan 17 07:23:02 pc kernel: [150100.879734] f6f12000 efddbbf4 f835a2b0
efddbbb4 f6739770 ec9a1e78 f835a2b0 efddbc0c
Jan 17 07:23:02 pc kernel: [150100.879734] <0> f828a101 f828e5a0 f1d86700
c08c4700 c08c4700 f6ae0cb0 ffffffff f1d86700
Jan 17 07:23:02 pc kernel: [150100.879734] <0> ec9a1e00 f835a2b0 f6f12000
c07c1180 efddbc0c efddbbf4 c05c978d 019ab38c
Jan 17 07:23:02 pc kernel: [150100.879734] Call Trace:
Jan 17 07:23:02 pc kernel: [150100.879734] [<f828a101>] ?
rpc_mkpipe+0x111/0x1a0 [sunrpc]
Jan 17 07:23:02 pc kernel: [150100.879734] [<c05c978d>] ?
_raw_spin_lock+0xd/0x10
Jan 17 07:23:02 pc kernel: [150100.879734] [<f8355a0d>] ?
gss_create+0xed/0x260 [auth_rpcgss]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f827bfd8>] ?
xs_setup_xprt+0xc8/0x1a0 [sunrpc]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f827e629>] ?
rpcauth_create+0x79/0x120 [sunrpc]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f8280030>] ?
svc_process_common+0x480/0x560 [sunrpc]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f8277345>] ?
rpc_new_client+0x215/0x3a0 [sunrpc]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f827da57>] ?
__rpc_init_priority_wait_queue+0x77/0x90 [sunrpc]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f8277545>] ?
rpc_create+0x75/0x1a0 [sunrpc]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f84c6ea8>] ?
__fscache_acquire_cookie+0x58/0x150 [fscache]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f84c6ea8>] ?
__fscache_acquire_cookie+0x58/0x150 [fscache]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f8379ae4>] ?
nfs_create_rpc_client+0xa4/0xe0 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f8379bb7>] ?
nfs4_init_client+0x67/0x170 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f837ada0>] ?
nfs4_set_client+0x70/0xf0 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f837aeb4>] ?
nfs4_init_server+0x94/0x200 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f837b053>] ?
nfs4_create_server+0x33/0xc0 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f83854eb>] ?
nfs4_remote_get_sb+0x6b/0x250 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<c020fadf>] ?
__alloc_percpu+0xf/0x20
Jan 17 07:23:02 pc kernel: [150100.879734] [<c0231629>] ?
alloc_vfsmnt+0xf9/0x130
Jan 17 07:23:02 pc kernel: [150100.879734] [<c021b354>] ?
vfs_kern_mount+0x74/0x1c0
Jan 17 07:23:02 pc kernel: [150100.879734] [<f83868b9>] ?
nfs_do_root_mount+0x69/0x90 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f83869bf>] ?
nfs4_try_mount+0x3f/0xb0 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f8386ca1>] ?
nfs_alloc_parsed_mount_data+0x41/0xa0 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<f8386d50>] ?
nfs4_get_sb+0x50/0xd0 [nfs]
Jan 17 07:23:02 pc kernel: [150100.879734] [<c0231629>] ?
alloc_vfsmnt+0xf9/0x130
Jan 17 07:23:02 pc kernel: [150100.879734] [<c021b354>] ?
vfs_kern_mount+0x74/0x1c0
Jan 17 07:23:02 pc kernel: [150100.879734] [<c022f9b3>] ?
get_fs_type+0x33/0xb0
Jan 17 07:23:02 pc kernel: [150100.879734] [<c021b4fe>] ?
do_kern_mount+0x3e/0xe0
Jan 17 07:23:02 pc kernel: [150100.879734] [<c0232b2c>] ? do_mount+0x1dc/0x220
Jan 17 07:23:02 pc kernel: [150100.879734] [<c0232bdb>] ? sys_mount+0x6b/0xa0
Jan 17 07:23:02 pc kernel: [150100.879734] [<c05c9cc4>] ? syscall_call+0x7/0xb
Jan 17 07:23:02 pc kernel: [150100.879734] Code: 00 8b 5d 0c 85 db 74 09 8b 45
0c 89 86 60 01 00 00 89 f2 89 f8 e8 78 0a fa c7 89 f8 e8 61 00 fa c7 31 c0 83
c4 10 5b 5e 5f 5d c3 <0f> 0b eb fe 8b 47 28 c7 44 24 08 40 e5 28 f8 c7 44 24 04
24 1d
Jan 17 07:23:02 pc kernel: [150100.879734] EIP: [<f8289f39>]
__rpc_create_common+0x79/0xb0 [sunrpc] SS:ESP 0068:efddbb98
Jan 17 07:23:02 pc kernel: [150101.268626] ---[ end trace 00cfd37e849c2caa ]---
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-24-generic 2.6.35-24.42
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: brian 3283 F.... pulseaudio
/dev/snd/controlC2: brian 3283 F.... pulseaudio
/dev/snd/controlC1: brian 3283 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xfe024000 irq 22'
Mixer name : 'Analog Devices AD1986A'
Components : 'HDA:11d41986,104381b3,00100500'
Controls : 37
Simple ctrls : 21
Card1.Amixer.info:
Card hw:1 'U0x46d0x8c5'/'USB Device 0x46d:0x8c5 at usb-0000:00:0b.1-4, high
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:08c5'
Controls : 2
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
Capture channels: Mono
Limits: Capture 0 - 3072
Mono: Capture 0 [0%] [18.00dB] [on]
Card2.Amixer.info:
Card hw:2 'Live'/'SB Live! Value [CT4832] (rev.7, serial:0x80271102) at
0xbc00, irq 17'
Mixer name : 'TriTech TR28602'
Components : 'AC97a:54524123'
Controls : 216
Simple ctrls : 38
Date: Mon Jan 17 08:33:13 2011
Frequency: Once every few weeks.
Lsusb:
Bus 002 Device 002: ID 04f9:01e9 Brother Industries, Ltd
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 046d:08c5 Logitech, Inc. QuickCam Pro 5000
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System manufacturer System Product Name
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-24-generic
root=/dev/mapper/rootvol-ubuntu_root ro console=ttyS0,115200 console=tty0
crashkernel=384M-2G:64M,2G-:128M quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
SourcePackage: linux
WpaSupplicantLog:
dmi.bios.date: 08/07/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS M2NPV-VM ACPI BIOS Revision 1401
dmi.board.name: M2NPV-VM
dmi.board.vendor: ASUSTek Computer INC.
dmi.board.version: 1.xx
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2NPV-VMACPIBIOSRevision1401:bd08/07/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTekComputerINC.:rnM2NPV-VM:rvr1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 kernel-fs maverick needs-upstream-testing
regression-release
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https://bugs.launchpad.net/bugs/703957
Title:
kernel BUG at /build/buildd/linux-2.6.35/net/sunrpc/rpc_pipe.c:474!
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