On Mon, Mar 20, 2017 at 05:01:34PM +0200, Jani Nikula wrote: > On Tue, 14 Mar 2017, Eric Blau <eblau@xxxxxxxxx> wrote: > > That's funny. I have a MacBook Pro 12,1 from late 2015. Hibernate > > failed for me in 4.9.6 through 4.9.8 (possibly earlier as well, I do > > no recall) without the patch. The patch you reference fixed my problem > > and apparently many others based on the bug reports: > > > > https://bugs.freedesktop.org/show_bug.cgi?id=96526 > > > > I applied the patch myself in 4.9.6 through 4.9.8 and hibernate works > > for me. I have run vanilla 4.9.9 and 4.10.1 and in both hibernate > > works. > > So I'm quite surprised > > commit f2a0409a08502d64fbe3990354dff5902b08d2fb > Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Date: Wed Sep 21 14:51:08 2016 +0100 > > drm/i915/execlists: Reset RING registers upon resume > > commit bafb2f7d4755bf1571bd5e9a03b97f3fc4fe69ae upstream. > > ended up in v4.9.9 considering that the upstream commit is not annotated > for stable, it has no Fixes: tags, and I can't find any backport > requests or even notifications for it in my mails. (Admittedly I'm not > subscribed on stable@, but I'd expect our lists, maintainers or > developers be Cc'd.) Eric sent this to the stable list a few times, my mistake for not seeing he hadn't also cc:ed the developer list. Want me to revert it? thanks, greg k-h