Auto Reboot on Panic?
NKoch at demig.de
Tue Jul 19 06:36:27 GMT 2005
> I would like the box to dump core and reboot on a panic. I think
> I have set
> the box up to do this, but on the last panic it didn't reboot. I
> followed the
> information at http://www.bsdatwork.com/2002/03/29/system_panics_part_1/,
> and I have compiled a kernel with makeoptions DEBUG=-g, options KDB,
> options KDB_UNATTENDED.
> /etc/rc.conf has these lines: dumpdev="/dev/ad6s1b",
> dumpdir="/usr/local/var/crash". The box has 768M of RAM, ad6s1b has
> at least that much space, and is configured as swap.
> Can anybody tell me what I have forgotten to do to make the box reboot on
> a panic? Many thanks in advance,
>From my understanding of the kernel options:
options PANIC_REBOOT_WAIT_TIME=xx # seconds before reboot
options KDB_UNATTENDED # only required if compiled with kernel debugger
# options RESTARTABLE_PANICS # should not be set
May be, you should also set kern.shutdown.kproc_shutdown_wait
in sysctl.conf to some reasonable time.
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