hibernate random memory corruption, workaround i915.modeset=0

[Keith Packard]

<#part sign=pgpmime>
On Mon, 19 Mar 2012 15:53:54 +0100, Stanislaw Gruszka <sgruszka at redhat.com> wrote:

> Keith, is there a chance that this bug can be fixed by i915 team?

Yes, I'm working on figuring out how to actually reproduce this and then
work on a few work-arounds.

> If not, can we disable hibernate on i915 with modeset=1 and add
> module option, which enable it for those who want to risk?

I'd love to know if disabling modeset on just the booting kernel helps;
leaving the resuming kernel with modeset=1. I haven't been able to
reproduce this locally yet to test this theory though.

-- 
keith.packard at intel.com