6.0 Stable reboots randomly during high load.

[Mike Tancsa]

At 09:33 AM 23/11/2005, kama wrote:

>The system crashes without polling enabled. That I added afterwards. With
>it enabled it crashes not so often as without polling.
>
>I'll try a GENERIC kernel with debuging enabled.

The kernel option doesnt install any debugging into your running 
kernel, it just builds an additional kernel (called kernel.debug) 
with debugging symbols that you can compare the crash dump 
against.  In other words, it wont hurt performance.

         ---Mike

>/Bjorn
>
>On Wed, 23 Nov 2005, Mike Tancsa wrote:
>
> > At 08:04 AM 23/11/2005, kama wrote:
> >
> > >I have a HP DL380G3 Dual 2.4 w HT disabled.
> >
> >
> > Polling and SMP is only a recent thing, as is polling support for the
> > bge. I would try disabling that.  In terms of seeing why its crashing,
> >
> > 
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html
> >
> > Basically,
> > make sure
> >
> >
> > makeoptions     DEBUG=-g                #Build kernel with gdb(1) 
> debug symbols
> >
> > is in your kernel config
> > add
> > dumpdev="/dev/da0s1b"           # Device name to crashdump to (or NO).
> > dumpdir="/var/crash"    # Directory where crash dumps are to be stored
> >
> > to /etc/rc.conf assuming da0s1b is your swap.  Install the new kernel
> > and reboot.
> >
> > When and if it crashes again,
> > gdb -k kernel.debug /var/crash/vmcore.0
> >
> > type bt full
> >
> > from the debugger and post the results.
> >
> >          ---Mike
> >