Date: Wed, 16 Jan 2008 17:20:46 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: Norberto Meijome <freebsd@meijome.net> Subject: Re: Kernel panic when kldunload acpi_video Message-ID: <200801161720.46319.jhb@freebsd.org> In-Reply-To: <200801160931.56332.jhb@freebsd.org> References: <20080116105453.72c0b78e@meijome.net> <200801160931.56332.jhb@freebsd.org>
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On Wednesday 16 January 2008 09:31:55 am John Baldwin wrote: > On Tuesday 15 January 2008 06:54:53 pm Norberto Meijome wrote: > > I have crash dumps, but unfortunately, i wiped the kernel.debug after > > starting a full clean rebuild of kernel + world for today's changes. > > Please get a crash dump with matching kernel.debug and acpi_video.ko.debug. > Then grab www.freebsd.org/~jhb/gdb/gdb6 and source it while running kgdb. > You can use the 'kldload' command to generate output that you can pass to > asf(8) to generate a file you can source to import the symbols into kgdb > for the kernel module. Then you can get a stack trace which will help > track down the problem. Actually, you can simplify this some because you can make asf work directly on a crash dump though it may take some work to make it find your kld correctly. -- John Baldwin
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