Date: Sat, 16 Jun 2012 14:13:29 -0400 From: Arnaud Lacombe <lacombar@gmail.com> To: Eugene Grosbein <egrosbein@rdtc.ru> Cc: Przemyslaw Frasunek <venglin@freebsd.lublin.pl>, Andriy Gapon <avg@icyb.net.ua>, freebsd-net@freebsd.org Subject: Re: mpd5/Netgraph issues after upgrading to 7.4 Message-ID: <CACqU3MW542ZvwMTOssfA7RE4o3jLT9ajD3oUAQWHo=xH0=wcoQ@mail.gmail.com> In-Reply-To: <4FDB2180.4030609@rdtc.ru> References: <4DAD3824.7000500@frasunek.com> <20110419074056.GG34767@glebius.int.ru> <4DB47CE1.8@frasunek.com> <4DB487D2.7030104@rdtc.ru> <4DB48B76.8050101@frasunek.com> <4DB49109.3050002@frasunek.com> <20110425050548.GF34767@glebius.int.ru> <4DBBBAD8.2000705@frasunek.com> <20110513162311.GK95084@glebius.int.ru> <4DD298AD.2060905@frasunek.com> <20110517184613.GN74366@glebius.int.ru> <4FDB1D71.6050908@freebsd.lublin.pl> <4FDB2180.4030609@rdtc.ru>
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Hi, On Fri, Jun 15, 2012 at 7:50 AM, Eugene Grosbein <egrosbein@rdtc.ru> wrote: > 15.06.2012 18:33, Przemyslaw Frasunek =D0=C9=DB=C5=D4: >> Dear All, >> >> unfortunately, one of my mpd5 PPPoE access servers started panicing ever= y 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. F= or 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-unsubscribe@freebsd.org"
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