On Thu, 11 Oct 2012 20:29:47 -0300 Paulo Zanoni <przanoni at gmail.com> wrote: > Hi > > 2012/10/11 Jesse Barnes <jbarnes at virtuousgeek.org>: > > I've only lightly tested this so far, but the corruption seems to be > > gone if I write the GFX_FLSH_CNTL reg after binding an object. This > > register should control the TLB for the system agent, which is what CPU > > mapped objects will go through. > > > > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org> > > I'm not sure if this is the patch you asked me to test on IRC, but, > well this is the patch I tested :) > > I tested it on HSW on top of dinq + some other patches. Booted the > machine, ran mostly xfterm4 under Xfce, but I also ran firefox, > gnome-shell and restarted X a few times. No GPU hangs so far. I'm > testing this for about 3-4 hours. > > I do have to say that I could not find this register on the HSW > documentation, but I also did no see any "Unclaimed write" messages > containing the 101008 address... I'm a little confused. > > And the interesting thing: intel_gpu_tools is useless now. I keep > getting "Couldn't map MMIO region: Resource temporarily unavailable". > Do you see this too? No I haven't seen that, I ran some tests today with the tip of the tree too... Dunno why the resource files would return EBUSY? Maybe because a driver is bound? -- Jesse Barnes, Intel Open Source Technology Center
