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Date:      Sat, 19 Jan 2008 14:52:08 +0100
From:      Kris Kennaway <kris@FreeBSD.org>
To:        Jakub Siroky <jakob@dev.citybikes.cz>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: panic when copying to ext2fs
Message-ID:  <47920088.4040400@FreeBSD.org>
In-Reply-To: <20080119121758.45e90313@dev>
References:  <20080118120140.2a8170a0@dev>	<47913252.3080404@FreeBSD.org> <20080119121758.45e90313@dev>

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Jakub Siroky wrote:
> I have tried these options in the config, but with same results
> (unstoppable dump and crash):
> 
> makeoptions DEBUG=-g
> options         WITNESS
> options         WITNESS_KDB
> options         KDB
> options         KDB_TRACE
> options         DIAGNOSTIC
> options KDB 
> options DDB 
> options GDB 
> options     INVARIANTS
> options     INVARIANT_SUPPORT
> options     DEBUG_LOCKS
> options     DEBUG_VFS_LOCKS
> 
> I haven't tried debugging via serial port, however.
> 
> And the problem can be reproduced on ext2fs volume of any size.
> 
> Next step would be original GENERIC config.

What do you mean by "unstoppable"?  Can you not break to DDB from the 
console?

Kris




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