Same problem
~$ glxinfo | grep -i string
server glx vendor string: SGI
server glx version string: 1.4
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
OpenGL vendor string: VMware, Inc.
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.4, 256 bits)
OpenGL version string: 3.0 Mesa 10.3.0-devel (git-fcac702 trusty-oibaf-ppa)
OpenGL shading language version string: 1.30
$ sudo lshw -C video
*-display
описание: VGA compatible controller
продукт: GK208 [GeForce GT 630 Rev. 2]
производитель: NVIDIA Corporation
физический ID: 0
сведения о шине: pci@0000:01:00.0
версия: a1
разрядность: 64 bits
частота: 33MHz
возможности: pm msi pciexpress vga_controller bus_master cap_list rom
кофигурация: driver=nouveau latency=0
ресурсы: IRQ:43 память:f6000000-f6ffffff память:e8000000-efffffff
память:f0000000-f1ffffff ioport:e000(размер=128) память:f7000000-f707ffff
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1268146
Title:
Very high cpu usage for compiz in 14.04 (mesa incorrectly using
llvmpipe)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1268146/+subscriptions
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