Hi, On Fri, Jun 15, 2012 at 7:50 AM, Eugene Grosbein <egrosb...@rdtc.ru> wrote: > 15.06.2012 18:33, Przemyslaw Frasunek пишет: >> Dear All, >> >> unfortunately, one of my mpd5 PPPoE access servers started panicing every few >> hours. >> >> I'm running recent 8.3-STABLE (as of 23th May) with WITNESS, INVARIANTS and >> DEBUG_MEMGUARD compiled. Unfortunately, I'm unable to catch crashdump. For >> some >> reason, it is not saved on dumpdev. > > The reason is that 8-STABLE fails to stop scheduler on panic > that breaks writing of crashdumps. > > 8.3-STABLE has new sysctl kern.stop_scheduler_on_panic. > You should set it to 1 to get crashdumps saved. > Is there technical reason to have the scheduler still running after panic() ?
- Arnaud > One more: does your box has PS/2 keyboard or USB? It matters too. > For systems having USB keyboard there is another patch needed to obtain > crashdumps (by Andriy Gapon): > > http://www.kuzbass.ru/freebsd/patches/stop_scheduler_on_panic.usb.diff > > Eugene Grosbein > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"