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From: Eugene Grosbein <egrosbein@rdtc.ru>
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To: Gleb Smirnoff <glebius@freebsd.org>
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Cc: freebsd-net@freebsd.org, John Baldwin <jhb@freebsd.org>
Subject: About "panic: bufwrite: buffer is not busy???"
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On 02.02.2011 00:50, Gleb Smirnoff wrote:

> E> Uptime: 8h3m51s
> E> Dumping 4087 MB (3 chunks)
> E>   chunk 0: 1MB (150 pages) ... ok
> E>   chunk 1: 3575MB (915088 pages) 3559 3543panic: bufwrite: buffer is not busy???
> E> cpuid = 3
> E> Uptime: 8h3m52s
> E> Automatic reboot in 15 seconds - press a key on the console to abort
> Can you add KDB_TRACE option to kernel? Your boxes for some reason can't
> dump core, but with this option we will have at least trace.

I see Mike Tancsa's box has "bufwrite: buffer is not busy???" problem too.
Has anyone a thought how to fix generation of crashdumps?

Eugene Grosbein