On Mon, Mar 20, 2017 at 11:13 AM, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > 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 My apologies. I'm new to requesting stable patches, but I thought sending to the stable mailing lists would keep the proper folks in the loop. Sorry about that. The bug that the commit fixes has quite a long documentation trail: [BAT execlists] Sporadic - gem_exec_suspend basic-s4 GPU hang after resume https://bugs.freedesktop.org/show_bug.cgi?id=96526 I've had problems with that one and this one that is not fixed in 4.10.x stable: [Regression BDW] kernel panic in Intel i915 module, complete system freeze in 4.10-rc2 https://bugs.freedesktop.org/show_bug.cgi?id=99295 Thanks, Eric