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Date:      Fri, 19 Jul 2013 11:00:08 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        Yuri <yuri@rawbw.com>
Cc:        Alan Cox <alc@freebsd.org>, freebsd-hackers@freebsd.org
Subject:   Re: Kernel crashes after sleep: how to debug?
Message-ID:  <201307191100.08549.jhb@freebsd.org>
In-Reply-To: <51E88EDA.50000@rawbw.com>
References:  <51E3A334.8020203@rawbw.com> <201307181652.48757.jhb@freebsd.org> <51E88EDA.50000@rawbw.com>

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On Thursday, July 18, 2013 8:56:58 pm Yuri wrote:
> On 07/18/2013 13:52, John Baldwin wrote:
> > Are you in frame 8?
> 
> For some reason the debug info is missing in frame 8, but is present in 
> surrounding frames 7 and 9.
> The might be a bug in makefiles that debug flag isn't passed into 
> sys/vm/ directory.

Well, you can probably find the value of 'm' in a register if you look at the 
dissassembly around the fault.  You can then cast that pointer to the right
type and print its contents.

-- 
John Baldwin



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