Graphics slow with i915 dri driver (llvm used)

[Marius B. Kotsbak]

In Quantal graphics has been slow. Seems it is not using Open GL hardware...

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-17.27-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
.tmp.unity.support.test.1:

ApportVersion: 2.6.1-0ubuntu1
Architecture: i386
CompizPlugins: [core,composite,opengl,decor,resize,place,imgpng,move,compiztoolbox,grid,vpswitch,mousepoll,water,regex,gnomecompat,wobbly,session,animation,fade,workarounds,cube,rotate,expo,ezoom,scale,unitymtgrabhandles,unityshell]
CompositorRunning: compiz
Date: Sat Oct 6 18:21:03 2012
DistUpgraded: 2012-08-31 14:36:26,019 DEBUG disabling apt cron job (0755)
DistroCodename: quantal
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
 Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller [8086:a011] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Giga-byte Technology Device [1458:b100]
   Subsystem: Giga-byte Technology Device [1458:b100]
MachineType: GIGABYTE T1005
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=f1d0446d-3ea3-46a7-9842-8773acca78e6 ro crashkernel=384M-2G:64M,2G-:128M quiet
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to quantal on 2012-08-31 (36 days ago)
dmi.bios.date: 08/30/2010
dmi.bios.vendor: GIGABYTE
dmi.bios.version: GSBF05
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: T1005
dmi.board.vendor: GIGABYTE
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnGIGABYTE:bvrGSBF05:bd08/30/2010:svnGIGABYTE:pnT1005:pvrGSBF05:rvnGIGABYTE:rnT1005:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: T1005
dmi.product.version: GSBF05
dmi.sys.vendor: GIGABYTE
version.compiz: compiz 1:0.9.8.4-0ubuntu1
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20121004.b2048c5e-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20121004.b2048c5e-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu5
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

[Timo Aaltonen (tjaalton)]

unity_support_test has failed claiming that i915 dri driver is not used, which is not true.

[Marius B. Kotsbak (mariusko)]

Seems this is solved now:

$ LIBGL_DEBUG=verbose /usr/lib/nux/unity_support_test -p -f
libGL: OpenDriver: trying /usr/lib/i386-linux-gnu/dri/tls/i915_dri.so
libGL: OpenDriver: trying /usr/lib/i386-linux-gnu/dri/i915_dri.so
libGL: Can't open configuration file /etc/drirc: No such file or directory.
libGL: Can't open configuration file /home/marius/.drirc: No such file or directory.
libGL: Can't open configuration file /etc/drirc: No such file or directory.
libGL: Can't open configuration file /home/marius/.drirc: No such file or directory.
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) IGD x86/MMX/SSE2
OpenGL version string: 1.4 Mesa 9.0

Not software rendered: yes
Not blacklisted: yes
GLX fbconfig: yes
GLX texture from pixmap: yes
GL npot or rect textures: yes
GL vertex program: yes
GL fragment program: yes
GL vertex buffer object: yes
GL framebuffer object: yes
GL version is 1.4+: yes

Unity 3D supported: yes