From owner-freebsd-hackers@FreeBSD.ORG  Thu Mar 29 20:44:58 2012
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Date: Thu, 29 Mar 2012 15:44:50 -0500
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From: Mark Felder <feld@feld.me>
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Subject: Re: Please help me diagnose this crazy VMWare/FreeBSD 8.x crash
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On Thu, 29 Mar 2012 12:53:49 -0500, Dieter BSD <dieterbsd@engineer.com>  
wrote:

>> FreeBSD ?? - 7.4 never crash
>> FreeBSD 8.0 - 8.2 crashes
>
> Obvious short term workaround is to run production on 7.4 (assuming you  
> can)
> until you figure out what is wrong with 8.x.

We're moving our most critical servers to 7.4 this weekend. After finally  
seeing the crash on ESXi 5.0 we have run out of viable options and we  
haven't had time to test FreeBSD 9.0 or 8.3 pre-release code.

>
> What filesystem(s) are you running? UFS? ZFS? other?
>

Only UFS.