On Mon, Mar 20, 2017 at 11:24:38AM -0400, Eric Blau wrote: > 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 So, what needs to be done here? Do I need to revert something in 4.9? Add something? Do something else? totally confused, greg k-h _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
