Date: Tue, 30 Sep 2008 10:47:29 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: Oliver Lehmann <lehmann@ans-netz.de> Subject: Re: system hangup - I'm lost Message-ID: <200809301047.29629.jhb@freebsd.org> In-Reply-To: <20080929221408.54e6a03a.lehmann@ans-netz.de> References: <20080929221408.54e6a03a.lehmann@ans-netz.de>
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On Monday 29 September 2008 04:14:08 pm Oliver Lehmann wrote: > Hi, > > My fileserver has sporadical hangups running 6.3: > > FreeBSD 6.3-STABLE #0: Thu Jun 19 00:21:00 CEST 2008 > olivleh1@nudel.salatschuessel.net:/usr/obj/i386-pentium3-6.3/usr/src/sys/NUDEL > > The exact release doesn't matter since it happened before. It always > happens afer some time of having some load on the system (I'm building > ports with tinderbox and during the build process it just hangs up). > > The system does nothing write out on the console, neither the CRT, nor > the serial console. 1) Setup support for crashdumps. 2) Add 'DDB' and 'KDB' to your kernel. When it hangs, break into the debugger (CTRL+ALT+ESC) and run 'panic' to generate a crash dump. 3) ps -axl -M /var/crash/vmcore.X -N /boot/kernel/kernel (where vmcore.X is the core file generated, probably vmcore.0). That's the first place to start. -- John Baldwin
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