Ubuntu
xserver-xorg-video-intel package

How to disable hardware acceleration

Asked by Jonathan Frank

I have a Intel 82Q963/Q965 graphics card running on a Ubuntu 10.10 computer. Everything works fine except for 3D acceleration which just stopped working some day. Therefore I want to disable hardware acceleration so the computer doesn't do random reboots. I have tried uninstalling the video driver so the x server is forced to use vesa but I need a better solution (that means keeping the video driver).

Thanks in advance
Jonathan

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actionparsnip (andrew-woodhead666) said : 		#1

Can you give the output of:

sudo lshw -C display

Thanks

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Jonathan Frank (jonathan-frank) said : 		#2

Here is the output from lshw -C display:

sudo lshw -C display
  *-display
       description: VGA compatible controller
       product: 82Q963/Q965 Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:42 memory:d0000000-d00fffff memory:c0000000-cfffffff ioport:30e0(size=8)

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actionparsnip (andrew-woodhead666) said : 		#3

run:

gksudo gedit /etc/modprobe.d/intel.conf

add the line:

blacklist i915

save the new file and reboot, should be ok

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