Re: NFS Oops 2.6.20.14

From: Randy Dunlap
Date: Wed Jun 20 2007 - 11:47:12 EST


On Mon, 18 Jun 2007 13:05:07 -0700 Aaron Porter wrote:

>
> Reproducable, every time nfs-kernel-server exits:

Kernel .config file, please...


> nfsd: unexporting all filesystems
> BUG: unable to handle kernel paging request at virtual address 6b6b6b6f
> printing eip:
> f92a7751
> *pde = 6b6b6b6b
> Oops: 0000 [#1]
> PREEMPT SMP
> Modules linked in: xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nfnetlink ip_tables x_tables nfs nfsd exportfs lockd sunrpc capability commoncap ipv6 ohci_hcd usbcore amd_rng rng_core i2c_amd8111 generic amd74xx shpchp pci_hotplug ide_scsi w83627hf eeprom lm85 hwmon_vid i2c_isa i2c_amd756 i2c_core rtc unix
> CPU: 0
> EIP: 0060:[<f92a7751>] Not tainted VLI
> EFLAGS: 00010202 (2.6.20.14-20070612 #2)
> EIP is at cache_clean+0x101/0x1e6 [sunrpc]
> eax: 00000000 ebx: 6b6b6b6b ecx: 00000001 edx: f92eb940
> esi: dfd9e800 edi: 00000000 ebp: efc7e000 esp: f56bbf84
> ds: 007b es: 007b ss: 0068
> Process nfsd (pid: 2856, ti=f56ba000 task=c74daaa0 task.ti=f56ba000)
> Stack: f92eb940 f70ddd50 00000000 f92a7880 f92a78aa f70ddd24 f92cae61 f92a1b8c
> f92a1fe1 00000009 00000000 00000009 00000000 f92c36b2 f92dd07d efc7e000
> fffffeff ffffffff fffffef8 ffffffff f92c3448 00000000 00000000 00000000
> Call Trace:
> [<f92a7880>] cache_flush+0xc/0x1f [sunrpc]
> [<f92a78aa>] cache_purge+0x17/0x20 [sunrpc]
> [<f92cae61>] nfsd_export_flush+0x14/0x28 [nfsd]
> [<f92a1b8c>] svc_destroy+0x96/0x100 [sunrpc]
> [<f92a1fe1>] svc_exit_thread+0x69/0x7d [sunrpc]
> [<f92c36b2>] nfsd+0x26a/0x27b [nfsd]
> [<f92c3448>] nfsd+0x0/0x27b [nfsd]
> [<c010364b>] kernel_thread_helper+0x7/0x10
> =======================
> Code: f9 0f 8d f9 00 00 00 8d 42 0c e8 dd 26 11 c7 a1 60 ea 2b f9 8b 50 08 a1 64 ea 2b f9 8d 34 82 8b 1e 85 db 74 6d 8b 15 60 ea 2b f9 <8b> 43 04 39 42 54 7e 04 40 89 42 54 8b 43 04 3b 05 00 f6 52 c0
> EIP: [<f92a7751>] cache_clean+0x101/0x1e6 [sunrpc] SS:ESP 0068:f56bbf84
> <6>note: nfsd[2856] exited with preempt_count 2
>


---
~Randy
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