On Mon, 28 Mar 2011 21:53:32 +0300, Pekka Enberg <penberg@xxxxxxxxxx> wrote: > On Mon, Mar 28, 2011 at 9:43 PM, Pekka Enberg <penberg@xxxxxxxxxx> wrote: > > On Thu, Mar 24, 2011 at 1:34 PM, Dave Airlie <airlied@xxxxxxxx> wrote: > >> It should have the fix for your i915 in the intel patches, along with > >> a couple of radeon fixes, and the vblank change + fix. > > > > I'm seeing some laptop screen flicker during boot and a while after I > > log in (it then seems to go away). It's my trusty old Macbook with > > i915 and Ubuntu 10.04. I see this in dmesg: > > > > [ Â Â 1.782046] [drm] initialized overlay support > > [ Â Â 1.782075] [drm] capturing error event; look for more information > > in /debug/dri/0/i915_error_state > > [ Â Â 1.782889] render error detected, EIR: 0x00000010 > > [ Â Â 1.782933] page table error > > [ Â Â 1.782970] Â PGTBL_ER: 0x00000102 > > [ Â Â 1.783009] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: > > 0x00000010, masking > > [ Â Â 1.783063] render error detected, EIR: 0x00000010 > > [ Â Â 1.783106] page table error > > [ Â Â 1.783143] Â PGTBL_ER: 0x00000102 > > > > I'm attaching the full dmesg, i915_error_state, and .config. Right, looks like we have an issue with setting up the hardware for KMS/GEM whilst it is still active. As we disable the outputs anyway for the KMS takeover, we can arrange to do so first and so prevent this bug. The side-effect will be that initial screen blanking will last a little bit longer. > I'm also seeing these errors now which seem to be new from 2.6.38-final: > > [ 437.566022] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a > purgeable buffer > [ 437.566187] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a > purgeable buffer > [ 437.566232] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a > purgeable buffer > [ 437.566275] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a > purgeable buffer > [ 437.566318] [drm:i915_gem_mmap_gtt] *ERROR* Attempting to mmap a > purgeable buffer That's an old userspace bug, which so far no one has been able to reproduce on the upstream ddx. -Chris -- Chris Wilson, Intel Open Source Technology Centre
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