6.0 Stable reboots randomly during high load.

[kama]

The system crashed again this weekend, but nothing is created in
/var/crash.

/Bjorn

On Wed, 23 Nov 2005, Mike Tancsa wrote:

> 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
> > >
>
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