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SubjectRe: [Bug 15559] Bad performance after suspend on Intel i7 and i5
Date
Hi,

Here's an interesting issue, apparently Core i5 and i7 have problems after
resume from suspend/standby.

I wonder whom at Intel I should let know about that.

Rafael


On Thursday 18 March 2010, bugzilla-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=15559
>
>
>
>
>
> --- Comment #3 from Thomas Bächler <thomas@archlinux.org> 2010-03-18 18:42:26 ---
> I have only tested 2.6.33 and 2.6.33.1, as this machine is quite new. Besides
> other unrelated suspend problems, I can always reproduce this one on a Core
> i5-520M, the symptoms are exactly the ones that Florian describes.
>
> The diversity of hardware and different kernels here suggests that this is a
> general problem with the i5 and i7 CPUs on Linux. Also interesting is that
> Florian is using an i7 of the 2009 generation, while I use the 2010 i5 CPU and
> the bug is the same on both.
>
> On the same kernel(s), my old Core 2 Duo CPU has no trouble after resume, all
> cores are still being used as usual.
>
> If you need any more info, I think we will be able to provide anything you
> need. Maybe it might also be useful to bring someone from Intel in on this.
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