UFS related panic (daily <-> find)
John Baldwin
jhb at freebsd.org
Mon Oct 7 16:17:29 UTC 2013
On Wednesday, October 02, 2013 5:40:02 pm rank1seeker at gmail.com wrote:
> > > > > Ok, here is another one, same case, just this time under
> 9.1-RELEASE-p7
> > > > >
> > > > > ==============================================
> > > > > Fatal trap 12: page fault while in kernel mode
> > > > > fault virtual address = 0x25
> > > > > fault code = supervisor read, page not present
> > > > > instruction pointer = 0x20:0xc082c552
> > > > > stack pointer = 0x28:0xe7eed7a8
> > > > > frame pointer = 0x28:0xe7eed7ac
> > > > > code segment = base 0x0, limit 0xfffff, type 0x1b
> > > > > = DPL 0, pres 1, def32 1, gran 1
> > > > > processor eflags = interrupt enabled, resume, IOPL = 0
> > > > > current process = 63645 (find)
> > > > > trap number = 12
> > > > > panic: page fault
> > > > > Uptime: 11h16m47s
> > > > > Physical memory: 1014 MB
> > > > > Dumping 143 MB: 128 112 96 80 64 48 32 16
> > > > >
> > > > > #6 0xc0898d4c in calltrap () at
> /usr/src/sys/i386/i386/exception.s:169
> > > > > #7 0xc082c552 in inodedep_find (inodedephd=Variable "inodedephd"
> is
> > > not
> > > > > available.
> > > > > )
> > > > > at /usr/src/sys/ufs/ffs/ffs_softdep.c:2073
> > > >
> > > > Please go to frame 7 and do 'x/i $rip'.
> > > >
> > >
> > > (kgdb) up 7
> > > #7 0xc082c552 in inodedep_find (inodedephd=Variable "inodedephd" is
> not
> > > available.
> > > ) at /usr/src/sys/ufs/ffs/ffs_softdep.c:2073
> > > 2073 /usr/src/sys/ufs/ffs/ffs_softdep.c: No such file or directory.
> > > in /usr/src/sys/ufs/ffs/ffs_softdep.c
> > > (kgdb) x/i $rip
> > > Value can't be converted to integer.
> >
> > Oh, this is i386, use "$eip" instead of "$rip", so 'x/i $eip' at frame 7.
>
>
> (kgdb) x/i $eip
> 0xc082c552 <inodedep_find+13>: cmp %ecx,0x24(%eax)
Ok, so %eax must be 1. I think you probably have failing RAM with a stuck bit
or some such.
--
John Baldwin
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