Why does it say this bug is fixed for natty, when it still is happening?
I have fully upgraded my system (to the 2.6.38-15 kernel) and it's still
happening.
I have tried a lot of workarounds mentioned here, none work, I still get
GPU hangs.
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Yes, intel-gpu-tools in both Natty and Oneiric doesn't work from the
repository (you get the error - Couldn't map MMIO region: No such file
or directory). Compiling intel-gpu-tools from source is one option, but
I also found a PPA that works, and you can also just download the .deb
without adding
We got an email back from Intel, the issue was fixed in Keith's drm-
intel-next kernel branch and heading upstream.
Apparently it's a clock gating issue on Sandybridge.
As a temporary fix, if you have intel-gpu-tools, you can run:
sudo intel_reg_write 0x9404 0x1800
For me it seems to have fixed
I am going to try it on Thursday, which is when I am back at work and
have access to the hardware, at home I don't have any sandy bridge based
systems to play with plus I am quite busy with my third year project at
the moment.
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I have also tried two different motherboards, with the same H67 chipset,
one Asus, and one Gigabyte.
I have also tried different RAM, so it is not RAM related.
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h
** Attachment added: "Screenshot of our software showing serious artifacts"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/829086/+attachment/2290403/+files/milkhub.png
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** Attachment added: "Another screenshot of tuxracer showing artifacts in red"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/829086/+attachment/2290402/+files/tuxracer2.png
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** Attachment added: "Screenshot of tuxracer showing artifacts marked in red"
https://bugs.launchpad.net/bugs/829086/+attachment/2290401/+files/tuxracer1.png
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Public bug reported:
I am experiencing serious artifacts with the Sandy Bridge graphics card
when doing 3D. Because we are trying to use this card at work, I have
been testing this card for the last 2 months trying to get it to work
with no luck, so I have done quite a lot of testing towards this
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