The machine is relatively unstable it seems to oops once every 10 days
or so - but the latest oops' are different, so I'm guessing it's
probably a hardware (memory?) issue.
James Pearson
Rusell Cattelan wrote:
>
> It's hard to say what the problem is.
> If you could get a kdb backtrace it would helpful.
>
> How reproducible is the crash?
>
> On Wed, 2003-05-14 at 08:49, James Pearson wrote:
> > Is there anyone who can help me with this? Is this likely to be an XFS
> > problem, so should I be looking elsewhere?
> >
> > Thanks
> >
> > James Pearson
> >
> > James Pearson wrote:
> > >
> > > I got the following oops with a 2.4.19/XFS1.2 kernel on a dual PIII 1Ghz
> > > server.
> > >
> > > Is this an XFS problem?
> > >
> > > Thanks
> > >
> > > James Pearson
> > >
> > > May 11 04:02:27 zorn kernel: Unable to handle kernel NULL pointer
> > > dereference at virtual address 00000119
> > > May 11 04:02:27 zorn kernel: c01abe10
> > > May 11 04:02:27 zorn kernel: *pde = 00000000
> > > May 11 04:02:27 zorn kernel: Oops: 0000
> > > May 11 04:02:27 zorn kernel: CPU: 0
> > > May 11 04:02:27 zorn kernel: EIP: 0010:[xfs_iflush+416/1168] Not
> > > tainted
> > > May 11 04:02:27 zorn kernel: EIP: 0010:[<c01abe10>] Not tainted
> > > Using defaults from ksymoops -t elf32-i386 -a i386
> > > May 11 04:02:27 zorn kernel: EFLAGS: 00010206
> > > May 11 04:02:27 zorn kernel: eax: 00000000 ebx: 00000000 ecx:
> > > d0a70c00 edx: 00000008
> > > May 11 04:02:27 zorn kernel: esi: ffffffff edi: 00000001 ebp:
> > > 00000000 esp: f7ebbe44
> > > May 11 04:02:27 zorn kernel: ds: 0018 es: 0018 ss: 0018
> > > May 11 04:02:27 zorn kernel: Process kupdated (pid: 7,
> > > stackpage=f7ebb000)
> > > May 11 04:02:27 zorn kernel: Stack: 00000001 f78830a0 f78ba800 e34ccd00
> > > d2819800 c0120efb c035dac0 c0120db1
> > > May 11 04:02:27 zorn kernel: d2819800 00000001 c03365e0 fffffffe
> > > 00000000 c0120b3b 00000282 d2819800
> > > May 11 04:02:27 zorn kernel: 00000000 01a033f0 00000000 00000010
> > > 00000002 d2819800 02480200 c01c6dd5
> > > May 11 04:02:27 zorn kernel: Call Trace: [bh_action+75/128]
> > > [tasklet_hi_action+97/160] [do_softirq+123/224]
> > > [_pagebuf_free_object+261/272] [xfs_syncsub+1540/3472]
> > > May 11 04:02:27 zorn kernel: Call Trace: [<c0120efb>] [<c0120db1>]
> > > [<c0120b3b>] [<c01c6dd5>] [<c01bf974>]
> > > May 11 04:02:27 zorn kernel: [<c01a8b42>] [<c01bfbe3>] [<f881ce78>]
> > > [<c0119273>] [<f8800695>] [<c01bf365>]
> > > May 11 04:02:27 zorn kernel: [<c01d1a85>] [<c01432f7>] [<c01424af>]
> > > [<c01427d2>] [<c0105000>] [<c0105000>]
> > > May 11 04:02:27 zorn kernel: [<c0107296>] [<c01426c0>]
> > > May 11 04:02:27 zorn kernel: Code: 80 be 1a 01 00 00 00 8b 9e 84 00 00
> > > 00 75 16 85 db 74 08 66
> > >
> > > >>EIP; c01abe10 <xfs_iflush+1a0/490> <=====
> > > Trace; c0120efb <bh_action+4b/80>
> > > Trace; c0120db1 <tasklet_hi_action+61/a0>
> > > Trace; c0120b3b <do_softirq+7b/e0>
> > > Trace; c01c6dd5 <_pagebuf_free_object+105/110>
> > > Trace; c01bf974 <xfs_syncsub+604/d90>
> > > Trace; c01a8b42 <xfs_ilock_nowait+82/b0>
> > > Trace; c01bfbe3 <xfs_syncsub+873/d90>
> > > Trace; f881ce78 <[sym53c8xx]sym_queue_command+c8/d0>
> > > Trace; c0119273 <schedule+483/540>
> > > Trace; f8800695 <[scsi_mod]scsi_dispatch_cmd+195/380>
> > > Trace; c01bf365 <xfs_sync+15/20>
> > > Trace; c01d1a85 <linvfs_write_super+25/30>
> > > Trace; c01432f7 <sync_supers+c7/100>
> > > Trace; c01424af <sync_old_buffers+2f/90>
> > > Trace; c01427d2 <kupdate+112/140>
> > > Trace; c0105000 <_stext+0/0>
> > > Trace; c0105000 <_stext+0/0>
> > > Trace; c0107296 <kernel_thread+26/30>
> > > Trace; c01426c0 <kupdate+0/140>
> > > Code; c01abe10 <xfs_iflush+1a0/490>
> > > 00000000 <_EIP>:
> > > Code; c01abe10 <xfs_iflush+1a0/490> <=====
> > > 0: 80 be 1a 01 00 00 00 cmpb $0x0,0x11a(%esi) <=====
> > > Code; c01abe17 <xfs_iflush+1a7/490>
> > > 7: 8b 9e 84 00 00 00 mov 0x84(%esi),%ebx
> > > Code; c01abe1d <xfs_iflush+1ad/490>
> > > d: 75 16 jne 25 <_EIP+0x25> c01abe35
> > > <xfs_iflush+1c5/490>
> > > Code; c01abe1f <xfs_iflush+1af/490>
> > > f: 85 db test %ebx,%ebx
> > > Code; c01abe21 <xfs_iflush+1b1/490>
> > > 11: 74 08 je 1b <_EIP+0x1b> c01abe2b
> > > <xfs_iflush+1bb/490>
> > > Code; c01abe23 <xfs_iflush+1b3/490>
> > > 13: 66 data16
> > >
> > > May 11 16:53:31 zorn kernel: cpu: 0, clocks: 1339003, slice: 446334
> > > May 11 16:53:31 zorn kernel: cpu: 1, clocks: 1339003, slice: 446334
> > > May 11 16:53:31 zorn kernel: SGI XFS 1.2.0 with quota, no debug enabled
> >
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