Date: Fri, 10 Sep 2010 07:11:27 -0700 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: a.smith@ukgrid.net Cc: freebsd-fs@freebsd.org, Andriy Gapon <avg@icyb.net.ua> Subject: Re: ZFS related kernel panic Message-ID: <20100910141127.GA13056@icarus.home.lan> In-Reply-To: <20100910143900.20382xl5bl6oo9as@webmail2.ukgrid.net> References: <20100909140000.5744370gkyqv4eo0@webmail2.ukgrid.net> <20100909182318.11133lqu4q4u1mw4@webmail2.ukgrid.net> <4C89D6A8.1080107@icyb.net.ua> <20100910143900.20382xl5bl6oo9as@webmail2.ukgrid.net>
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On Fri, Sep 10, 2010 at 02:39:00PM +0100, a.smith@ukgrid.net wrote: > Quoting Andriy Gapon <avg@icyb.net.ua>: > > > > >Try to add the following options to your kernel: > >options KDB > >options KDB_TRACE > > > >With these a backtrace should be printed before dumping and you > >should be able > >take a picture of your screen. > > > >-- > >Andriy Gapon > > > > Hi, > > So far I have got this additional info from the console when the > server panics: > > cpuid = 0 > Uptime: 19m57s > Sleeping thread (tid 100024, pid12) owns a non-sleepable lock > panic: sleeping thread > cpuid = 0 > Uptime: 19m57s > kernel trap 12 with interrupts disabled > > then follows the same text I originally posted... > Im going to run this again and try check if any other info is > printed but scrolled off the top of the screen... What we're looking for is something that resembles what's shown here (using this as an example): http://www.mail-archive.com/freebsd-xen@freebsd.org/msg00413.html The KDB and KDB_TRACE options should result in a backtrace automatically being shown when the system panics. Are you absolutely certain your kernel config has the options Andriy provided, and you rebuilt + reinstalled the kernel? -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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