On Fri, 27 Feb 2015 18:59:07 +0100, Daniel Vetter wrote: > Smells like something is wrong in bdw-land. > > Can you please retest with latest drm-intel-nightly from > http://cgit.freedesktop.org/drm-intel or alternatively 4.0-rc kernels? > Starting with 4.0 we're using the execlist cmd submission support, > which might help. I've just tested with 4cf8e7747f184a0616b547b307d63b65298c88a7, drm-intel-nightly. I could not reproduce the suspend/resume problems with that kernel, and the "timed out trying to stop ring" error is also gone. I still see loads of unclaimed register warnings while running GL programs, though. > Thanks, Daniel > > > On Fri, Feb 27, 2015 at 6:27 PM, <phoebe@xxxxxxxxxxxxxxxxx> wrote: > > On Fri, 27 Feb 2015 00:07:41 +0100, phoebe@xxxxxxxxxxxxxxxxx wrote: > >> Hi, > >> > >> I'm having a few problems with i915 on my Broadwell Thinkpad > >> (T450s, i7-5600U) with kernel 3.19, apparently suspend/resume > >> related. > > […] > >> Also, it seems that running or having run a GL application has some > >> impact on this. With an instance of glxgears running during > >> suspend/resume, this doesn't seem to happen. Moreover, running a GL > >> app seems to fix the problem. > > > > Correction: running a GL app during suspend/resume prevents bad > > things (and the "timed out trying to stop ring" error, apparently). > > Running GL after resume only partly restores original state, > > sometimes font rendering is broken for random characters - they > > just don't display anymore. It also seems that only one font and > > only one size of that one font is affected. I'm guessing that's a > > problem in X, perhaps? > > > >> Is this known already, or can I somehow help to fix this? > >> > >> > >> Greetings, > >> Phoebe > > _______________________________________________ > > Intel-gfx mailing list > > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > > http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > > > -- > Daniel Vetter > Software Engineer, Intel Corporation > +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
