[GM45] 3D much slower in Intrepid than in Hardy
Bug #277827 reported by
ThyMythos
This bug report is a duplicate of:
Bug #252094: MASTER: Poor graphics performance on Intel.
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This bug affects 9 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
xserver-xorg-video-intel (Ubuntu) |
New
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Undecided
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Unassigned |
Bug Description
Binary package hint: xserver-
glxgears shows about 1300 fps in Hardy but only about 300 in Intrepid.
Also window effects are smoother in Hardy. Texture compression makes no difference. Same effect also with x64 versions.
Kernel for Intrepid is 2.6.27-4-generic.
Attached are the Xorg logs for Hardy and Intrepid.
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I can confirm the exact same behavior on my new Lenovo T500 laptop (GM45 Express with Intel GMA 4500MHD). Normally I have the latest updates Intrepid beta installed and I get this very low performance in glxgears. Tried to install Hardy on another partition and I get the higher FPS.
Further to above I can not get KDE4 desktop effects to work in Intrepid. I installed KDE 4.1.2 on Hardy and desktop effects worked as expected. I am not sure, but I suspect that these two issues are related.
I have attached xorg.conf and x.org log file from both Intrepid and hardy.