Re: [Intel-gfx] Suspend To RAM failure in >= 4.1 - bissected to "drm/i915: Track GEN6 page table usage"
From: Sylvain Munaut
Date: Tue Jan 05 2016 - 02:01:20 EST
>> Can you verify that reverting this patch (on top of 4.4?) fixes it?
>> If so, is it time to revert it?
> It's highly unlikely you'll be able to revert this on top of 4.4. Unfortunately,
> this is the cornerstone of a whole lot of infrastructure needed to support the
> per process page tables.
Yes, that's what it looked like to me too.
When bisecting I was hoping to find an isolated change I could just
revert but this definitely looked like a change other commits depended
on in a series of commit.
> I assume suspend to disk is also failing?
I have no idea. I never used suspend-to-disk and this laptop isn't
setup for it (no swap and no non-encrypted partitions). I could try to
set it up on an external USB drive if you think that can help debug
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