From owner-svn-src-all@FreeBSD.ORG  Mon Jan 25 17:06:34 2010
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Date: Mon, 25 Jan 2010 11:06:24 -0600
From: Alan Cox <alc@cs.rice.edu>
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To: John Baldwin <jhb@freebsd.org>
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Cc: Alan Cox <alc@freebsd.org>, svn-src-head@freebsd.org,
	svn-src-all@freebsd.org, src-committers@freebsd.org
Subject: Re: svn commit: r202894 - in head/sys/i386: i386 include
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John Baldwin wrote:
> On Saturday 23 January 2010 1:42:28 pm Alan Cox wrote:
>   
>> Author: alc
>> Date: Sat Jan 23 18:42:28 2010
>> New Revision: 202894
>> URL: http://svn.freebsd.org/changeset/base/202894
>>
>> Log:
>>   Handle a race between pmap_kextract() and pmap_promote_pde().  This race is
>>   known to cause a kernel crash in ZFS on i386 when superpage promotion is
>>   enabled.
>>   
>>   Tested by:	netchild
>>   MFC after:	1 week
>>     
>
> Yay!  Should we enable pg_ps by default on i386 now?
>
>   

Yes, I think so.

Alan