Hello,
After updating to xserver-xorg-video-intel 2:2.14.0-4 I had the same
problem on debian wheezy/sid
I experienced this problem both on kernel 2.6.35.2 and 2.6.38.2
See the logs below.
I fixed my system by removing the package xserver-xorg-video-intel and
compiling from original source
xf86-video-intel-2.13.0 from Xorg project.
I would suggest to revert the changes since this is a pretty serious bug.
--BEGIN LOGS--
/var/log/Xorg.0.log says
[ 856.486] (EE) intel(0): Detected a hung GPU, disabling acceleration.
=========================================================
/var/log/kernel.log says
Apr 12 09:14:29 montecarlo kernel: [ 800.576016] [drm:i915_hangcheck_elapsed] *
ERROR* Hangcheck timer elapsed... GPU hung
=========================================================
lspci -v
00:02.0 VGA compatible controller: Intel Corporation 82946GZ/GL
Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 300b
Flags: bus master, fast devsel, latency 0, IRQ 45
Memory at d0000000 (32-bit, non-prefetchable) [size=1M]
Memory at c0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 18c0 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Kernel driver in use: i915
=========================================================
/etc/X11/xorg.conf
Section "Module"
Load "extmod"
Load "record"
Load "dbe"
Load "dri"
Load "dri2"
Load "glx"
EndSection
Section "Device"
Identifier "Card0"
Driver "intel"
BusID "PCI:0:2:0"
EndSection
=========================================================
--END LOGS--
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