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Re: lkcd has bug ?

To: ÃÖÅÂ¾Ï <tachoi@xxxxxxxxxxxxxx>
Subject: Re: lkcd has bug ?
From: "Matt D. Robinson" <yakker@xxxxxxxxxxxxxx>
Date: Mon, 04 Jun 2001 09:42:39 -0700
Cc: lkcd@xxxxxxxxxxx
Organization: Alacritech, Inc.
References: <001a01c0eaee$86aee9e0$f59ab5d3@dreamintek.com>
Sender: owner-lkcd@xxxxxxxxxxx
> ÃÖÅÂ¾Ï wrote:
> 
> Hi
> 
> I installed lkcd at kernel version 2.4.1 and 2.4.5.
> Then, I made kernel panic. lkcd tryed to dump core, but made a problem.
> 
> The last message was
> "Dumping to device 0x303 [ide0(3,3)] ...kernel BUG at slab.c:1095"
> System was halted. I had to push reset button.
> 
> What is the problem?
> 
> Thanks
> 
> Tae Am CHOI

This is most likely do to the free_kiovec() call in
drivers/block/vmdump.c.  This by itself can cause
problems when you exit out.  Comment out that function
call, and you should be okay.

Note that you might have problems with 2.4.5 -- I've
tested most of them this morning, and panic()s work
fine for dumping and analyzing, but analyzing doesn't
work on Oops cases.

I'm going to upload the patches to oss.sgi.com now, and
I'll fix the lkcdutils RPM next.

--Matt

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