Am Dienstag, den 24.06.2014, 12:57 +0100 schrieb Chris Wilson: > On Tue, Jun 24, 2014 at 02:06:24PM +0300, Jani Nikula wrote: > > On Tue, 24 Jun 2014, Thomas Meyer <thomas@xxxxxxxx> wrote: > > > the i915 driver is still broken in 3.16-rc2. Resume from ram crashes the > > > X server. > > > > This is not new to 3.16-rc2; apparently we've had it since v3.15-rc4 > > [1]. Also related [2]. > > > > Chris, any fresh ideas? > > Nope. The bug is https://bugs.freedesktop.org/show_bug.cgi?id=76554 > everything we know and have tried is there. Which is not much more than > at time of the original incarnation: > > commit 50aa253d820ad4577e2231202f2c8fd89f9dc4e6 > Author: Keith Packard <keithp@xxxxxxxxxx> > Date: Tue Oct 14 17:20:35 2008 -0700 > > i915: Fix up ring initialization to cover G45 oddities > > G45 appears quite sensitive to ring initialization register writes, > sometimes leaving the HEAD register with the START register contents. Check > to make sure HEAD is reset correctly when START is written, and fix it up, > screaming loudly. > -Chris > Hi, so why not revert 78f2975eec9faff353a6194e854d3d39907bab68 (drm/i915: Move all ring resets before setting the HWS page) ? Without this commit 3.15 is super stable for me. This seems to be also true for others according to above bug report. thomas _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
