reboot after panic : page fault for two consecutive days now
with FreeBSD stable 7.0
Kris Kennaway
kris at FreeBSD.org
Wed Jun 11 18:58:03 UTC 2008
eculp wrote:
> This is on a relatively new Dell dualcore with 4G of ram running up to
> date stable. I'm not on site so I have no idea what might be provoking
> these crashes. In fact in many years of running FreeBSD I've not seen
> something just happen like this. It is a simi-production machine that
> cvsups daily and builds and installs a new world and kernel. Ports are
> updated about once a week and haven't seen any issues previously. It
> has been running 24/7 since new, about 8 months.
>
> 3 files were generated info, bounds and vmcore. The info file follows:
>
> Dump header from device /dev/mfid0s1b
> Architecture: i386
> Architecture Version: 2
> Dump Length: 341225472B (325 MB)
> Blocksize: 512
> Dumptime: Wed Jun 11 12:34:24 2008
> Hostname: casasponti.net
> Magic: FreeBSD Kernel Dump
> Version String: FreeBSD 7.0-STABLE #258: Tue Jun 10 05:54:42 CDT 2008
> root at casasponti.net:/usr/obj/usr/src/sys/ENCONTACTO
> Panic String: page fault
> Dump Parity: 2395754794
> Bounds: 2
> Dump Status: good
>
> the vmcore is about 300M so I'm not attaching it;) I could put it on
> line at a moments notice. I think that what I need is probably a crash
> course on debugging a crash and I really don't know where to start since
> after over 10 years with freebsd I've never needed it. Any help,
> suggestions, etc. would be greatly appreciated.
See the developers' handbook chapter on kernel debugging.
However, panics that "suddenly" start happening frequently on a system
that has been stable for a while with no OS or workload changes made,
are usually due to the hardware starting to fail.
Kris
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