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[Bug 243546] New: Oops caused by nfsd kernel module
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Thu, 8 Feb 2007 07:02:45 -0700 (MST)
  • Message-id: <bug-243546-21960@xxxxxxxxxxxxxxxxxxxxxxxxx/>
https://bugzilla.novell.com/show_bug.cgi?id=243546

Summary: Oops caused by nfsd kernel module
Product: openSUSE 10.2
Version: Final
Platform: i686
OS/Version: Other
Status: NEW
Severity: Major
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: wajih.ahmed@xxxxxxxxx
QAContact: qa@xxxxxxx


I enabled nfs server via yast. I create the export. I try to mount the export
from a remote server which results in an Oops.

# uname -a
Linux blackhole 2.6.18.2-34-default #1 SMP Mon Nov 27 11:46:27 UTC 2006 i686
i686 i386 GNU/Linux

Feb 7 12:56:34 blackhole kernel: Installing knfsd (copyright (C) 1996
okir@xxxxxxxxxxxx).
Feb 7 12:56:34 blackhole exportfs[30963]: /etc/exports [1]: Neither
'subtree_check' or 'no_subtree_check' specified for export "*:/software/jes4".
Assuming default behaviour ('subtree_check'). NOTE: this default will change
with nfs-utils version 1.1.0
Feb 7 12:56:34 blackhole kernel: NFSD: Using /var/lib/nfs/v4recovery as the
NFSv4 state recovery directory
Feb 7 12:56:34 blackhole kernel: NFSD: starting 90-second grace period
Feb 7 12:57:01 blackhole mountd[30975]: authenticated mount request from
neo.demo.foo.com: 989 for /software/jes4 (/software/jes4)
Feb 7 12:57:02 blackhole kernel: BUG: unable to handle kernel paging request
at virtual address 8e466127
Feb 7 12:57:02 blackhole kernel: printing eip:
Feb 7 12:57:02 blackhole kernel: c016ca94
Feb 7 12:57:02 blackhole kernel: *pde = 00000000
Feb 7 12:57:02 blackhole kernel: Oops: 0000 [#1]
Feb 7 12:57:02 blackhole kernel: SMP
Feb 7 12:57:02 blackhole kernel: last sysfs file: /class/net/eth0/carrier
Feb 7 12:57:02 blackhole kernel: Modules linked in: nfsd exportfs lockd
nfs_acl sunrpc xt_pkttype ipt_LOG xt_limit af_packet vmnet vmmon snd_pcm_oss
snd_mixer_oss snd_seq snd_seq_device cpufreq_conservative cpufreq_ondemand
cpufreq_userspace cpufreq_powersave speedstep_centrino freq_table cisco_ipsec
toshiba_acpi button battery ac ip6t_REJECT xt_tcpudp ipt_REJECT xt_state
iptable_mangle iptable_nat ip_nat iptable_filter ip6table_mangle ip_conntrack
nfnetlink ip_tables ip6table_filter ip6_tables x_tables ipv6 vfat fat reiserfs
loop dm_mod usbhid pcmcia firmware_class wlan_scan_sta nvidia e1000 agpgart
i2c_core ath_pci ohci1394 yenta_socket rsrc_nonstatic pcmcia_core
ath_rate_sample ieee1394 wlan ath_hal snd_intel8x0 snd_ac97_codec snd_ac97_bus
snd_pcm snd_timer snd soundcore snd_page_alloc shpchp pci_hotplug i8xx_tco
ehci_hcd uhci_hcd usbcore parport_pc lp parport ext3 mbcache jbd edd fan piix
thermal processor ide_disk ide_core
Feb 7 12:57:02 blackhole kernel: CPU: 0
Feb 7 12:57:02 blackhole kernel: EIP: 0060:[<c016ca94>] Tainted: PF U
VLI
Feb 7 12:57:02 blackhole kernel: EFLAGS: 00010246 (2.6.18.2-34-default #1)
Feb 7 12:57:02 blackhole kernel: EIP is at vfs_getattr+0x30/0x9d
Feb 7 12:57:02 blackhole kernel: eax: 8e4660eb ebx: eb83a93f ecx: c034dcc0
edx: d1ee8114
Feb 7 12:57:02 blackhole kernel: esi: d1ee8114 edi: e2ee8020 ebp: e18bbed4
esp: e18bbeb8
Feb 7 12:57:02 blackhole kernel: ds: 007b es: 007b ss: 0068
Feb 7 12:57:02 blackhole kernel: Process nfsd (pid: 30967, ti=e18ba000
task=e0c546a0 task.ti=e18ba000)
Feb 7 12:57:02 blackhole kernel: Stack: c20dfcc0 e98e7800 e18bbed4 e2ee8020
eba19c00 f9471433 00000005 f946b501
Feb 7 12:57:02 blackhole kernel: e89c6f40 d994e100 0000534d 00000000
00000000 eba19c00 e98e7810 00000005
Feb 7 12:57:02 blackhole kernel: e98e7808 f942c2c4 00000000 66736404
de402000 e98e7800 eba19c00 e2ee8000
Feb 7 12:57:02 blackhole kernel: Call Trace:
Feb 7 12:57:02 blackhole kernel: Call Trace:
Feb 7 12:57:02 blackhole kernel: [<f9471433>] nfs2svc_encode_fattr+0x27/0x3d
[nfsd]
Feb 7 12:57:02 blackhole kernel: [<f946b501>] nfsd_acceptable+0x0/0xc4 [nfsd]
Feb 7 12:57:02 blackhole kernel: [<f94725f2>] nfsacld_proc_getattr+0x7c/0x83
[nfsd]
Feb 7 12:57:02 blackhole kernel: [<f947255b>]
nfsaclsvc_encode_attrstatres+0x0/0x1b [nfsd]
Feb 7 12:57:02 blackhole kernel: [<f9472563>]
nfsaclsvc_encode_attrstatres+0x8/0x1b [nfsd]
Feb 7 12:57:02 blackhole kernel: [<f9469140>] nfsd_dispatch+0x130/0x180
[nfsd]
Feb 7 12:57:02 blackhole kernel: [<c02a5ce7>] _spin_lock_bh+0x8/0x18
Feb 7 12:57:02 blackhole kernel: [<f940fbd3>] svc_process+0x3b4/0x626
[sunrpc]
Feb 7 12:57:02 blackhole kernel: [<c02a5ce7>] _spin_lock_bh+0x8/0x18
Feb 7 12:57:02 blackhole kernel: [<f94695e3>] nfsd+0x1b0/0x315 [nfsd]
Feb 7 12:57:02 blackhole kernel: [<c0103ca6>] ret_from_fork+0x6/0x20
Feb 7 12:57:02 blackhole kernel: [<f9469433>] nfsd+0x0/0x315 [nfsd]
Feb 7 12:57:02 blackhole kernel: [<c0102005>] kernel_thread_helper+0x5/0xb
Feb 7 12:57:02 blackhole kernel: Code: 89 d6 53 83 ec 04 89 04 24 8b 5a 0c f6
83 4d 01 00 00 02 75 10 8b 0d 80 69 41 c0 ff 91 c4 00 00 00 85 c0 75 6d 8b 83
98 00 00 00 <8b> 78 3c 85 ff 74 0b 8b 04 24 89 e9 89 f2 ff d7 eb 55 89 d8 89
Feb 7 12:57:02 blackhole kernel: EIP: [<c016ca94>] vfs_getattr+0x30/0x9d
SS:ESP 0068:e18bbeb8


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