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Date:      Sat, 05 Nov 2005 10:21:28 +0100
From:      Attila Nagy <bra@fsn.hu>
To:        Robert Watson <rwatson@FreeBSD.org>
Cc:        freebsd-hackers@freebsd.org, freebsd-amd64@freebsd.org
Subject:   Re: Reproduceable freeze with quotas enabled
Message-ID:  <436C7998.5040404@fsn.hu>
In-Reply-To: <436B8918.9060105@fsn.hu>
References:  <436A868F.4010606@fsn.hu> <20051104095129.M9692@fledge.watson.org> <436B8918.9060105@fsn.hu>

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Hello,

Attila Nagy wrote:
> Robert Watson wrote:
>> On Thu, 3 Nov 2005, Attila Nagy wrote:
>>> I have an "easily" (at least to me) reproduceable freeze with both 
>>> 6-STABLE and 7-CURRENT on an amd64 SMP machine.
>>> What I do is simply copy a lot of directories, files and symlinks 
>>> with different uids from another machine to this one, using rsync.
>> This is probably a vnode lock leak or deadlock.  As it looks like you 
>> have both the ability to get into the debugger and also a serial or 
>> other remote console, the output of:
>>   show allpcpu
>>   alltrace
>>   show lockedvnods
>>   show allocks
>> would be helpful.  There are also "options DEBUG_LOCKS" which extends 
>> the debugging information available via "show lockedvnods" with 
>> information about where the lock was acquired, which can be quite 
>> helpful.
http://people.fsn.hu/~bra/freebsd/crash-20051105/crashlog

I've put all together in this file.

Tell me please if I can do anything to make the issue more clear.

Thanks,
-- 
Attila Nagy                                   e-mail: Attila.Nagy@fsn.hu
Adopt a directory on our free software         phone: +3630 306 6758
server! http://www.fsn.hu/?f=brick



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