Re: Lossy interrupts on x86_64

From: Jesse Barnes
Date: Thu Sep 20 2007 - 20:41:05 EST


On Thursday, September 20, 2007, Thomas Gleixner wrote:
> On Thu, 2007-09-20 at 12:22 -0700, Jesse Barnes wrote:
> > > Eeek, that sounds scary. Can you add "highres=off" as well ?
> >
> > FWIW I just tried your linux-2.6-hires tree with the attached
> > config and still see the problem. It doesn't look like NO_HZ is
> > even an option in that tree...
>
> Right, that's a 2.6-hrt update tree for Linus to pull. The 64 bit
> parts are not in there. It's basically Linus + some fixes.

Arg, looks like this is actually a DRM problem, but it doesn't exist in
the DRM upstream tree, only the upstream kernel tree. I've only seen
it on 965 chips though, and they have other vblank related problems, so
I won't worry about it for 2.6.23 proper.

Thanks,
Jesse
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/