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Date: Wed, 21 Jul 2010 12:53:36 +0800
From: David Xu <davidxu@freebsd.org>
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To: Kostik Belousov <kostikbel@gmail.com>
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Cc: FreeBSD Current <current@freebsd.org>
Subject: Re: firefox is stuck in getbuf()
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Kostik Belousov wrote:

> Can you, please, do the following:
> show the backtraces for the system processes, in particular, syncer,
> bufdaemon, softdepflush daemon, pagedaemon and vm ?
> for the stuck firefox thread, find the address of the buffer
> supplied as an argument to getdirtybuf, and print the *(struct buf *)addr ?
> This can be done on the live/stuck system using kgdb on /dev/mem.

Unfortunately, I can not always reproduce it. :-(