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DateMon, 25 Jun 2007 08:49:05 -0400
FromJeremy Fitzhardinge <>
SubjectRe: [patch, 2.6.22-rc6] fix nmi_watchdog=2 bootup hang
Björn Steinbrink wrote:
> On 2007.06.25 10:26:52 +0200, Ingo Molnar wrote:
> 
>> * Ingo Molnar <mingo@elte.hu> wrote:
>>
>> 
>>> the winner is ...
>>>
>>>  f8822f42019eceed19cc6c0f985a489e17796ed8 is first bad commit
>>>  commit f8822f42019eceed19cc6c0f985a489e17796ed8
>>>  Author: Jeremy Fitzhardinge <jeremy@goop.org>
>>>  Date:   Wed May 2 19:27:14 2007 +0200
>>>
>>>     [PATCH] i386: PARAVIRT: Consistently wrap paravirt ops callsites to make them patchable
>>> 
>> and of course i'm happy to test any patch that is simpler than the 
>> brutal revert i sent.
>> 
>
> wrmsrl() looks broken, dropping the upper 32bits of the value to be
> written. Does this help?
> 

Crap.  That's embarrassing.  Does it help, because it seems likely?  
(Esp since Ingo didn't even have CONFIG_PARAVIRT enabled, so most of his 
revert would have been dead code anyway.)

    J
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