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Date:      Wed, 5 Apr 2006 09:18:58 +0200
From:      Rutger Bevaart <rutger.bevaart@illian-networks.nl>
To:        freebsd-stable@freebsd.org
Cc:        Ulrich Keil <ulrich@der-keiler.de>
Subject:   Re: FreeBSD unstable on Dell 1750 using SMP?
Message-ID:  <1ADDD9D4-57E0-4D2E-B2F0-54B55A699E80@illian-networks.nl>
In-Reply-To: <20060404235300.GA7203@mail.der-keiler.de>
References:  <35547AA9-77E7-47C6-8897-7CC09273118A@illian-networks.nl> <20060404235300.GA7203@mail.der-keiler.de>

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It doesn't look like a power problem. We have it with several systems  
in different datacenters. I've tried the "giantlock" setting, let's  
hope it works! Am I safe to assume that it can (negatively) impact  
performance of the system? What can be the cause of "fine grained  
locking" causing the crashes? I'm willing to let a developer play  
around with one of the affected machines...

Thanks again for the suggestion Ulrich.

Met vriendelijke groet / Kind Regards,
Rutger Bevaart

On Apr 5, 2006, at 1:53 AM, Ulrich Keil wrote:
>
> We solved the problem by running the network stack with Giant lock
> (set "debug.mpsafenet=0" in loader.conf).
> Since then the machine runs rock stable.
>
> Ulrich
>




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