With the following Intel controller on Jaunty/9.01:
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile
915GM/GMS/910GML Express Graphics Controller [8086:2592] (rev 03)
And updated kernel as recommended in
http://ubuntuforums.org/showthread.php?t=1130582
Linux presto
Retested with the following:
xorg-edgers PPA intel driver
Version: 2:2.8.0+git20090814.926c7e7d-0ubuntu0sarvatt~jaunty
2.6.30-02063005-generic
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile
915GM/GMS/910GML Express Graphics Controller [8086:2592] (rev 03)
Due to the 2.8.0
Thanks wgrant for letting us know the issue is resolved.
Anyone else with the same symptom really needs to file a new bug.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Fix Released
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
You
Same problem here on my Acer Aspire One with graphic card;
Intel Corporation Mobile 945GME Express Integrated Graphics Controller
[8086:27ae] (rev 03)
When trying the UXA it's slowing down the UNR, mousepointer is laggy.
One good thing thou, is that video playback performance is improved very
With driver 2:2.7.99.1+git20090519.09beee37-0ubuntu0sarvatt~jaunty,
ppracer reports a rough average of 26 FPS, usually ranging between 22
and 30. So that's reasonable, seems there have been a good progress. Not
sure we can close the bug, anyway it will be difficult to determine what
the normal
Sorry for the delay - my bugmail filtering went wrong. With
2:2.7.99.1+git20090520.ad212882-0ubuntu0sarvatt on linux 2.6.30-5.6
without KMS on Karmic, the degradation when switching from EXA to UXA
seems to be gone.
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
You
...and still here with KMS enabled (kernel 2.6.30rc5).
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
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Still here with driver 2.7.1.
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
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However we still require feedback from wgrant before this can be
upstreamed.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed = Incomplete
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
You received this bug notification because you are a
I've tested performances with ppracer:
EXA: 25-34 FPS - average: 31
UXA: 14-22 FPS - average: 20
So there's obviously a problem!
About benchmarking: I worked hard to get these simple figures because the '-a'
option of ppracer, that is said to enable benchmarking, raises an error. I
guess
Thanks, those are good suggestions.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Confirmed
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
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** Tags added: i915 performance
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
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Thanks, however for upstreaming purposes I'd need wgrant's reply.
Also, glxgears is not a benchmark, and presenting its numbers as
evidence of a performance bug will not be taken seriously. Comparisons
using a game such as ppracer or phoronix would be better received.
** Changed in:
Still here with 2.7.0. Good to have this PPA ot check that, thanks!
I'm getting around 300 FPS instead of 750 with glxgears. I've noticed an
interesting message when starting glxgears using UXA:
Running synchronized to the vertical refresh. The framerate should be
approximately 1/259 the
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = Medium
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
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** Summary changed:
- [i915] UXA is very slow
+ [i915] UXA is very slow (UXA bug)
--
[i915] UXA is very slow (UXA bug)
https://bugs.launchpad.net/bugs/354940
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Just to say I've experienced the same problem with an i915 card.
--
[i915] UXA is very slow
https://bugs.launchpad.net/bugs/354940
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** Description changed:
Binary package hint: xserver-xorg-video-intel
I get noticably slower OpenGL when using UXA rather than EXA. The only
number I have is from glxgears (~900fps with EXA, ~250 with UXA), but
games are very much slower too.
ProblemType: Bug
Architecture: i386
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
--
[i915] UXA is very slow
https://bugs.launchpad.net/bugs/354940
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** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/24794496/Dependencies.txt
** Attachment added: LsHal.txt
http://launchpadlibrarian.net/24794497/LsHal.txt
** Attachment added: LsMod.txt
http://launchpadlibrarian.net/24794498/LsMod.txt
** Attachment added: LsPci.txt
The numbers are similar with and without Compiz running.
--
[i915] UXA is very slow
https://bugs.launchpad.net/bugs/354940
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