Messages in this thread | | | From | "Pallipadi, Venkatesh" <> | Date | Mon, 6 Apr 2009 11:40:40 -0700 | Subject | RE: 2.6.29 git master and PAT problems |
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>-----Original Message----- >From: Alessandro Suardi [mailto:alessandro.suardi@gmail.com] >Sent: Monday, April 06, 2009 8:37 AM >To: Pallipadi, Venkatesh >Cc: Arkadiusz Miskiewicz; Siddha, Suresh B; >linux-kernel@vger.kernel.org; Jesse Barnes >Subject: Re: 2.6.29 git master and PAT problems > >On Fri, Apr 3, 2009 at 3:59 PM, Pallipadi, Venkatesh ><venkatesh.pallipadi@intel.com> wrote: >> >> The patch here should get rid of the below msgs. >> http://marc.info/?l=linux-kernel&m=123862741914199&w=2 >> >> Can you please test and check whether that resolves the problems? >> >> The patch inline in this mail above was a test patch to debug the >> another problem that only happens with recent X and that one we >> are still debugging. So you can ignore the above patch for now. >> >> >> Thanks, >> Venki > >Thanks Venki - the messages are gone, but I appear to be far from > having my graphical environment problems fixed... > >- I still get > >Apr 6 11:59:39 localhost kernel: [drm] Initialized drm 1.1.0 20060810 >Apr 6 11:59:39 localhost kernel: pci 0000:00:02.0: PCI INT A -> GSI >16 (level, low) -> IRQ 16 >Apr 6 11:59:39 localhost kernel: mtrr: type mismatch for >e0000000,10000000 old: write-back new: write-combining >Apr 6 11:59:39 localhost kernel: [drm] MTRR allocation failed. >Graphics performance may suffer. >Apr 6 11:59:39 localhost kernel: [drm] Initialized i915 1.6.0 >20080730 for 0000:00:02.0 on minor 0 >Apr 6 11:59:39 localhost kernel: mtrr: type mismatch for >e0000000,10000000 old: write-back new: write-combining > >- I can't switch from X to VT (Alt-Fn) as my screen gets blank, no > Caps Lock key led flashing when I hit the key, nothing else than a > poweroff works > >- I can't exit from X to VT as my screen gets flashing and scrolls > what appears to be a prompt on the top of the screen instead of > the bottom > >F10 kernels behave the same way. 2.6.29.1 as well. Will test > 2.6.28 or earlier and report in a separate thread with full > config details. >
Also test with and without CONFIG_DRM_* for your graphics card.
MTRR messages looks like are due to the conflict between BIOS MTRR setting and what X is trying to set. Booting into run level 3 and output of cat /proc/mtrr would be useful data as well.
Thanks, Venki
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