> It sucks, but I guess this is better than dead machines. I'd say let's
> wait another 1-2 weeks for tested-bys to trickle in, and if it does fix
> the problem then let's apply it. rps keeps on sucking, that's
> unfortunately not news at all.
>
> Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
I have 3 machines that I can hang in under 10 minutes.
They are different types of baytrail: n3540, j1900, z3775.
With this revert applied, all three machines have
the same stress test for over 7 days without failure.
I disagree with an action plan that includes the word "wait".
Tested-by: Len Brown <len.brown@xxxxxxxxx>
Indeed, my question is if we can turn off GFX p-states entirely
on this hardware. Is there a command line parameter I can
use to do that? If we have one, it will certainly make
troubleshooting orders of magnitude easier.
Note that the bisected patch
commit 8fb55197e64d5988ec57b54e973daeea72c3f2ff
Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Date: Tue Apr 7 16:20:28 2015 +0100
drm/i915: Agressive downclocking on Baytrail
was applied to Linux 3.17-rc1.
Thus, this revert should be applied to every stable release back to 3.17.
thanks,
-Len
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