Is this still occurring on Ubuntu 13.10 "Saucy Salamander"?
** Changed in: mesa (Ubuntu)
Status: Triaged => Incomplete
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https://bugs.launchpad.net/bugs/1176911
Title:
[snb mesa fallback] Slideshow on the stage 18 of Unigine Heaven 3.0
benchmarking after upgrading to Raring
Status in “mesa” package in Ubuntu:
Incomplete
Bug description:
Ubuntu 13.04 Raring Ringtail, xserver-xorg-video-intel
2:2.21.6-0ubuntu4, Intel® Core™ i5-2320 with HD 2000 (Sandy Bridge)
I've noticed some FPS loss in the games right after upgrading from
Quantal to Raring. Then I decided to make a benchmark in Unigine 3.0
Heaven. Average FPS looked the same until the stage 18, when slideshow
was started. It took about 2 minutes to get the stage passed, but in
Quantal it took only 12 seconds.
Here are 2 videos from 12.10 & 13.10 to show what is actually happen, I have
used lowest possible settings to run Unigine Heaven 3.0 with 1024x576
resolution:
Kubuntu 12.10 http://www.youtube.com/watch?v=j89SyEayS34 (no slideshow at
2:50-3:05)
Kubuntu 13.04 http://www.youtube.com/watch?v=_OD3ORU6TnQ (slideshow at
2:50-5:02)
Also some random benchmark's results from games that i play and Unigine
Heaven 3.0 (12.10 / 13.04):
Warsow: 145.9 / 120.5 fps
Xonotic: 160.0 / 152.1 fps
Unigine Heaven 3.0: 325 / 274 scores
/etc/X11/xorg.conf:
Section "Device"
Identifier "intel"
Driver "intel"
Option "AccelMethod" "sna"
Option "SwapbuffersWait" "false"
Option "TearFree" "true"
EndSection
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
Date: Mon May 6 17:38:51 2013
InstallationDate: Installed on 2013-04-29 (7 days ago)
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64
(20121017.1)
MarkForUpload: True
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: Upgraded to raring on 2013-04-29 (6 days ago)
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