crashinfo issue in HEAD

[Gavin Atkinson]

On Fri, 2009-09-11 at 16:47 +0300, Andriy Gapon wrote:
> I had a panic (provoked via sw watchdog, nothing exciting) and after reboot I
> noticed that couple of processes dumped core, apparently while running as part of
> crashinfo procedure.
> 
> savecore: reboot after panic: watchdog timeout
> savecore: writing core to vmcore.0
> kernel: pid 725 (ps), uid 0: exited on signal 11 (core dumped)
> kernel: pid 742 (fstat), uid 0: exited on signal 11
> 
> core.0.txt accordingly has:
> ------------------------------------------------------------------------
> ps -axl
> Segmentation fault (core dumped)

You need at least r196990 (which has not yet been MFC'd) and
http://people.freebsd.org/~gavin/PRs/137890.2.diff .  Hopefully both of
these will appear in 8.x.

> ------------------------------------------------------------------------
> fstat
> Segmentation fault
> ------------------------------------------------------------------------

I suspect this will be also fixed by the above patches.

Gavin