Public bug reported:
Binary package hint: xserver-xorg-video-intel
I've been up to bleeding edge Version:
2:2.7.99.901+git20090617.b5cd2130-0ubuntu0sarvatt to try and get some
stability, but things are worse than ever.
Compiz is a white screen no go. Dropping down to Metacity gives me a totatlly
busy CPU core with Xorg running ~98% when anything major happens on screen (eg.
loading a page in Firefox). Typing in terminal doesn't seem to sweat X.
Kernel: "2.6.30-9-server #10-Ubuntu SMP Fri Jun 12 14:12:48 UTC 2009 i686
GNU/Linux"
The i915.ko is loaded, but has a use count of zero and I can rmmod it
whilst X stays running.
>From lsmod with X running (full file is attached):
i915 174056 0
drm 158624 1 i915
intel_agp 26340 1
video 18848 1 i915
>From dmesg (full file is attached):
[ 15.654947] agpgart-intel 0000:00:00.0: Intel G45/G43 Chipset
[ 15.655890] agpgart-intel 0000:00:00.0: detected 32764K stolen memory
[ 15.658289] agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xd0000000
[ 15.847995] [drm] Initialized drm 1.1.0 20060810
[ 16.114523] pci 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 16.114571] pci 0000:00:02.0: setting latency timer to 64
[ 16.115507] mtrr: type mismatch for d0000000,10000000 old: write-back new:
write-combining
[ 16.115567] [drm] MTRR allocation failed. Graphics performance may suffer.
[ 16.115622] alloc irq_desc for 26 on cpu 0 node 0
[ 16.115624] alloc kstat_irqs on cpu 0 node 0
[ 16.115632] pci 0000:00:02.0: irq 26 for MSI/MSI-X
[ 16.115674] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on
minor 0
[ 52.480642] mtrr: type mismatch for d0000000,10000000 old: write-
back new: write-combining
Points that jump out at me from Xorg.0.log (full file is attached):
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 10, (OK)
drmOpenByBusid: Searching for BusID pci:0000:00:02.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 10, (OK)
drmOpenByBusid: drmOpenMinor returns 10
drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
(EE) intel(0): [drm] Failed to detect GEM. Kernel 2.6.28 required.
(II) intel(0): Integrated Graphics Chipset: Intel(R) G45/G43
(--) intel(0): Chipset: "G45/G43"
(--) intel(0): Using UXA for acceleration
(II) intel(0): I830CheckAvailableMemory: 4991996 kB available
(WW) intel(0): DRI2: failed to open drm device
(==) intel(0): Intel XvMC decoder disabled
(II) intel(0): Set up textured video
(II) intel(0): direct rendering: Failed
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
--
[G45,DG45ID] No GEM, DRI, XvMC. Busy CPU.
https://bugs.launchpad.net/bugs/388886
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