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Re: Sparc release requalification

From: Josip Rodin <joy@entuzijast.net>
Date: Sat, 12 Sep 2009 13:05:59 +0200

> On Sat, Sep 12, 2009 at 02:59:43AM -0700, David Miller wrote:
>> From: Josip Rodin <joy@entuzijast.net>
>> Date: Sat, 12 Sep 2009 11:49:54 +0200
>> > I see this %pcr handling has been in debugging code (oprofile, performance
>> > counters) for some time before it moved into the NMI handler, so I'm
>> > guessing it didn't get enough testing because fewer people have the
>> > debugging features enabled. I would recommend disabling it for now in
>> > the stable releases until this grave regression is resolved.
>> Remind me what kernel you're trying now?
> The 2.6.31 release. (Actually stable 2.6.31.y git but that's currently the
> same.)

Ok, I'm motivated to simply fix this and it seems you are too.

I'll come up with a game plane to kill this for good, because I
suspect whatever is causing this is actually unrelated to the
NMI feature and is actually something more funamental on SMP on
these UltraSPARC-III+ machines.

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