[Intel-gfx] Memory corruption on hibernate/thaw with KMS

[Bojan Smojver]

On Tue, 2011-10-04 at 13:46 +1100, Bojan Smojver wrote:
> So, yeah, for all intents and purposes, I can only reproduce it on
> this system.

If it matters, before I switched to ThinkPad T510, I had a Dell Inspiron
6400, also with Intel graphics. I was then hitting:

https://bugzilla.redhat.com/show_bug.cgi?id=537494

Which is:

http://bugzilla.kernel.org/show_bug.cgi?id=13811

Which is more or less the same bug. Essentially, pages get corrupted on
thaw after the hibernate/thaw cycle is repeated several times.

If you look at this comment of that Fedora bug:

https://bugzilla.redhat.com/show_bug.cgi?id=537494#c67

You will see that the problem has been fixed at some point.

But then the code regressed again. My guess is when the code was
rewritten in such a way that the patch that fixed kernel bug #13811 did
no apply any more.

-- 
Bojan