Re: panic: deadlkres: possible deadlock detected

From: Attilio Rao <attilio_at_freebsd.org>
Date: Tue, 20 Apr 2010 13:33:47 +0200
2010/4/20 Erik Cederstrand <erik_at_cederstrand.dk>:
>
> Den 19/04/2010 kl. 17.03 skrev Attilio Rao:
>
>> 2010/4/19 Erik Cederstrand <erik_at_cederstrand.dk>:
>>> Hi
>>>
>>> I'm testing ClangBSD in a VirtualBox client and ran into a panic on the client, but I don't think it's clang-related. I haven't tried kernel debugging before. I tried getting a backtrace as described in http://old.nabble.com/Re%3A-ia64--%3E-panic%3A-deadlkres%3A-possible-deadlock-detected-for-0xe00000001187d880%2C-blocked-for-1801437-ticks-p28123802.html and this i the result:
>>>
>>> http://tinypic.com/r/2llegza/5
>>>
>>> Any pointers on ho to debug this further?
>>
>> I think we have to bless getblk. However your system may have got
>> buffers shortage due to bufdaemon deficiencies.
>>
>> Are you using 8.0 or current?
>
> This is current (the latest ClangBSD revision). I was running pho's stress2 test suite when this happened.

I have committed a fix for this, may you upgrade to most recent CURRENT pls?

Attilio


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Received on Tue Apr 20 2010 - 09:33:51 UTC

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