Subject: Re: deadlocks, many processes in sleepq_block
To: Anthony Mallet <firstname.lastname@example.org>
From: Adam Hamsik <email@example.com>
Date: 09/21/2007 00:08:52
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On Sep 20, 2007, at 11:32 PM, Anthony Mallet wrote:
> Andrew Doran writes:
> | If you are running amd64 you'll need to compile the kernel with
> | -fno-omit-frame-pointer. LOCKDEBUG and DIAGNOSTIC will help to
> track down
> | the problem.
> Actually DIAGNOSTIC triggered an assert:
> mutex_owned(&l->l_swaplock) failed: file uvm/uvm_glue.c, line 482
> I see that the last commit in this file is dated from Aug 18, which is
> more or less the date at which I started to have trouble...
> Since my kernel panic'ed, I was not able to use my keyboard to type
> anything in ddb (it was still attached to the X session). I was
> able to
> see the panic message by switching to VT1 before the panic.
> Of course I have no serial line on this machine to run kgdb.
> Any idea ? :)
AFAIK you can blindly type sync/reboot commands to console and
use crash dump for debug purposes.
> -- Anthony
Proud NetBSD user.
We program to have fun.
Even when we program for money, we want to have fun as well.
~ Yukihiro Matsumoto
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