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Date:      Mon, 21 Nov 2011 09:39:27 -0600
From:      Mark Felder <feld@feld.me>
To:        questions@freebsd.org
Subject:   Re: AMD64 with 9.0 PRERELEASE freezing/hanging without any messages
Message-ID:  <op.v5ay31lg34t2sn@tech304>
In-Reply-To: <201111191054.pAJAsI9q087098@jau.iki.fi>
References:  <201111191054.pAJAsI9q087098@jau.iki.fi>

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On Sat, 19 Nov 2011 04:54:18 -0600, Jukka A. Ukkonen <jau@iki.fi> wrote:

>
> Hello,
>
> Has anyone else noticed a similar odd behavior with AMD64 and 9.0
> prerelease (as well as RCs and betas)?
> On my 12 core (2*4162EE) the whole system just freezes quite often
> without any warning, without any messages being logged. Neither is
> there any panic message from the kernel. The system just suddenly
> hangs such that there is no alternative but to reboot using the
> reset button.



YES YES YES

This is happening right now on my little Atom based ZFS NAS and it's  
driving me insane. 9.0-PRERELEASE compiled with Clang (don't think that  
matters though). However, mine doesn't fully panic and recovers. It justs  
completely freezes for like 5-10 seconds. Won't take any keyboard input,  
doesn't show anything on console/SSH, but is still pingable. Crazy!





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