On Thu, 10 Feb 2011 13:10:26 +0100 Francesco Allertsen <fallertsen@xxxxxxxxx> wrote: > On Wed, Feb 09, 2011 at 05:09:10PM +0000, Chris Wilson wrote: > > I was optimistic that we might spot the real issue... However, you appear > > to be not alone and so I've pushed a disabling patch onto -fixes: > > > > commit ac66808814036b4c33dd98091b2176ae6157f1a8 > > Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > Date: Wed Feb 9 16:15:32 2011 +0000 > > > > drm/i915: Disable RC6 on Ironlake > > > > The automatic powersaving feature is once again causing havoc, with 100% > > reliable hangs on boot and resume on affected machines. > > > > Reported-by: Francesco Allertsen <fallertsen@xxxxxxxxx> > > Reported-by: Gui Rui <chaos.proton@xxxxxxxxx> > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28582 > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > > > That should work its way upstream shortly. > > I've tried to apply it on top of 2.6.38-rc4, and now it doesn't hang > when I start X, but it hangs when I resume from suspend to RAM. Since intel_reg_read won't work, can you try this patch instead? Just patch it in, then cat /sys/kernel/debug/dri/0/i915_drpc_info Thanks, -- Jesse Barnes, Intel Open Source Technology Center --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1018,6 +1018,8 @@ static int i915_drpc_info(struct seq_file *m, void *unused break; } + seq_printf(m, "RSTDBYCTL: 0x%08x\n", rstdbyctl); + return 0; } _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel