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Date: Wed, 11 Mar 2009 22:44:17 +0100
From: Andreas Tobler <andreast-list@fgznet.ch>
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To: Nathan Whitehorn <nwhitehorn@freebsd.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
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Subject: Re: svn commit: r189675 - head/sys/powerpc/aim
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Nathan Whitehorn wrote:
> Author: nwhitehorn
> Date: Wed Mar 11 03:19:19 2009
> New Revision: 189675
> URL: http://svn.freebsd.org/changeset/base/189675
> 
> Log:
>   Change the PVO zone for fictitious pages to the unmanaged PVO zone, to match
>   the unmanaged flag set in the PVO attributes. Without doing this,
>   pmap_remove() could try to remove fictitious pages (like those created
>   by mmap of physical memory) from the wrong UMA zone, causing a panic.
>   

This fixes a hard lock on my imac (G3) when running glxgears.
Now running glxgears only 'kills' the Xserver.

Thanks!
Andreas