Date: Mon, 18 Jun 2012 11:47:20 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Arnaud Lacombe <lacombar@gmail.com> 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: <4FDEB2D8.40007@rdtc.ru> In-Reply-To: <CACqU3MW542ZvwMTOssfA7RE4o3jLT9ajD3oUAQWHo=xH0=wcoQ@mail.gmail.com> 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> <CACqU3MW542ZvwMTOssfA7RE4o3jLT9ajD3oUAQWHo=xH0=wcoQ@mail.gmail.com>
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17.06.2012 01:13, Arnaud Lacombe пишет: > Hi, > > On Fri, Jun 15, 2012 at 7:50 AM, Eugene Grosbein <egrosbein@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() ? It seems no. That's just "a misfeature". Eugene Grosbein
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