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List:       netbsd-current-users
Subject:    Re: NetBSD/amd64 5.99.53 freezes
From:       Mindaugas Rasiukevicius <rmind () NetBSD ! org>
Date:       2011-06-16 12:13:34
Message-ID: 20110616121335.AC4AD14A0FC () mail ! netbsd ! org
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Christoph Egger <Christoph_Egger@gmx.de> wrote:
> a 5.99.53 kernel freezes under X. The mouse pointer suddenly stopps
> moving, the machine can't be pinged and cpu fan becomes very noisy.
> 
> In sysctl.conf I have:
> 
> ddb.onpanic=1
> ddb.commandonenter="trace /l; reboot 0x100"
> 
> so if the kernel panics my laptop should reboot automatically but
> this didn't happen. The kernel has LOCKDEBUG.
> 
> The easiest way to reproduce is to use firefox & thunderbird under X.

Does this still happen with the latest -current?  Do you use DEBUG,
DIAGNOSTIC and LOCKDEBUG kernel?  Were you able to reproduce the
problem by starting the workload on X e.g. remotely, and thus trying
to get into DDB from the console?  Try 'call ddb_vgapost' as well.

-- 
Mindaugas
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