On Sun, Oct 14, 2012 at 4:19 PM, Mark Hounschell <dmarkh at cfl.rr.com> wrote: > OK. Applied to 3.6.2. The dmesg is attached. The message did not show up. > I'll be here most of the day. Ok, that at least confirms my suspicion (and yeah, I've mis-remembered when I've merged the agp removal for gen6+, it's already all done in 3.6). But I have no idea how that could fail this way. New little debug patch: diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index a24ffbe..7ec35c5 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -848,6 +848,11 @@ i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return -ENODEV; } + printk("force-disabling agp on gen %i, is_ivybridge %i\n", + intel_info->gen, intel_info->is_ivybridge); + + driver.driver_features &= + ~(DRIVER_USE_AGP | DRIVER_REQUIRE_AGP); return drm_get_pci_dev(pdev, ent, &driver); } Yours, Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch