Date: Thu, 27 Dec 2001 15:59:45 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: "Kristian K. Nielsen" <jkkn@jkkn.dk> Cc: "Nils Holland" <nils@tisys.org>, =?iso-8859-1?Q?S=F8ren_Schmidt?= <sos@freebsd.dk>, "Matthew Gilbert" <agilbertm@earthlink.net>, <freebsd-stable@FreeBSD.ORG>, <freebsd-hackers@FreeBSD.ORG> Subject: Re: 4.4-STABLE crashes - suspects new ata-driver over wd-drivers Message-ID: <200112272359.fBRNxjK90152@apollo.backplane.com> References: <200112262355.fBQNtfK48250@apollo.backplane.com> <200112270945.fBR9j1e97273@freebsd.dk> <20011227163252.A151@tisys.org> <200112271847.fBRIlxh52129@apollo.backplane.com> <008d01c18f2f$ab983b40$bb5ca8c0@jkkn.net>
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:Hey,
:
:It is great if you are finding a solution for the VIA-chipset.
:Do you have any idea if it is a simular problem that I am experiencing?
:
:I am not enough into chip code to have a clue what exactly the patch
:is doing - but maybe it is just decreasing the load on the kernel/system in
:a
:way that the crashes are avoided tough there is still a bug outthere
:somewhere?!
:
:I do not have a single VIA-chip in my box that I know of - all Intel
:and is running the latest BIOS version avialable for my motherboard
:and still having crashes whenever I put any pressure on the box, like
:compiling/moving large files across filesystems/etc:
Well, as Soren says, there are lots of things that can result in
crashes. In order for us to attempt to diagnose the crashes you are
having you need to post a backtrace of that core file - usually it
is a good idea to do it with the kernel.debug binary from the
kernel build directory rather then the stripped 'kernel' that the
crash dump saves, but either will work for a start.
cd /var/crash
gdb -k kernel.4 vmcore.4
gdb> back
If you have the kernel.debug associated with the kernel, usually
found in the original build directory (i.e. /usr/src/sys/compile
/JKKN_KRNL/kernel.debug) if you had done a config -g or used the
makeoptions DEBUG=-g
option in the kernel config file, then you can gdb using the
debug binary and get a much more interesting back trace.
cd /var/crash
gdb -k /usr/src/sys/compile/JKKN_KRNL/kernel.debug vmcore.4
gdb> back
-Matt
:dumpon: crash dumps to /dev/ad0s1b (116, 131073)
:Checking for core dump:
:savecore: reboot after panic: page fault
:Dec 26 04:11:11 jkkn savecore: reboot after panic: page fault
:savecore: system went down at Wed Dec 26 04:07:57 2001
:savecore: writing core to /var/crash/vmcore.4
:
:.....snip end.....
:
:Regards
:Kristian
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