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To: Eivind Olsen <eivind@aminor.no>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Tue, 12 Aug 2003 21:37:32 +0200."
             <12117531.1060724252@[192.168.0.2]> 
Date: Tue, 12 Aug 2003 21:39:34 +0200
Message-ID: <770.1060717174@critter.freebsd.dk>
cc: freebsd-current@freebsd.org
Subject: Re: Crash in g_dev_strategy / CURRENT as of yesterday. 
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In message <12117531.1060724252@[192.168.0.2]>, Eivind Olsen writes:
>--On 12. august 2003 21:26 +0200 Poul-Henning Kamp <phk@phk.freebsd.dk> 
>wrote:
>> In message <10206765.1060722342@[192.168.0.2]>, Eivind Olsen writes:
>>> Hello. Some of you might have seen my previous mailings regarding
>>> crashes  in g_dev_strategy under FreeBSD 5.1 (RELENG_5_1). I have now
>>> upgraded to  CURRENT (cvsupped, compiled and installed yesterday) and I
>>> still see  similar  crashes (but not identical crashes, I can't see any
>>> mention of  Vinum here).
>>># 12 0xc030697e in spec_xstrategy (vp=0xc1fa9cc0, bp=0x0) at
>>> /usr/src/sys/fs/specfs/spec_vnops.c:512
>> This is the call into the device driver.  Do you have any idea which
>> driver this might be ?  Can you try to print out the bp->b_dev structure
>> if you still have the dump ?
>
>I still have the dump. Please tell me exactly which commands I should use 
>and I'll take a look. I'm not a kernel hacker so I don't know how to get at 
>that information all by myself.

I'm not of a gdb wizard either, but I think you type "up" or "down" until
you are at stack frame #12, and the simply say "print *bp->b_dev"

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.