Subject: Re: kern/29903 (register data)
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: Arto Selonen <arto@selonen.org>
List: netbsd-bugs
Date: 04/21/2005 10:28:02
The following reply was made to PR kern/29903; it has been noted by GNATS.
From: Arto Selonen <arto@selonen.org>
To: gnats-bugs@netbsd.org
Cc: kern-bug-people@netbsd.org, gnats-admin@netbsd.org,
netbsd-bugs@netbsd.org
Subject: Re: kern/29903 (register data)
Date: Thu, 21 Apr 2005 13:27:21 +0300 (EEST)
Hi!
On Thu, 21 Apr 2005, Martin Husemann wrote:
> From: Martin Husemann <martin@duskware.de>
> To: Arto Selonen <arto+dated+1114077310.dac4b28b4b6433b9@selonen.org>
> Cc: gnats-bugs@netbsd.org
> Subject: Re: kern/29903 (panic is back; data follows)
> Date: Thu, 21 Apr 2005 12:07:28 +0200
>
> On Thu, Apr 21, 2005 at 12:54:03PM +0300, Arto Selonen wrote:
> > 2231 m->m_len = len;
>
> Hmm, can you examine the value of the ebx register at this point?
> (show registers at the db> prompt should do that)
ebx is 0
It has been at least 10 years since I last used any debugger,
and even then it was minimal, so the more detailed your instructions
the better. :) The above is from 'show registers' at the ddb 'db>'
prompt right after the panic, and not from gdb; nor did I do anything
to make it be at "m->m_len = len;"
Note:
I am no longer able to make the system panic 100% of the attempts any
more. It did panic after three attempts, and is now sitting in ddb, so
at least at the moment I can provide more data as needed. This is
currently a testbed, so there is no immediate need to reboot it.
I could keep it in ddb for several days, if needed, though I suspect
it should not be too hard to get it panic again. But for the next
few hours/days, I can provide more timely data as needed.
Artsi
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