Ubuntu
xserver-xorg-video-intel package

  1. Bug #349992
  2. Comment #20

Comment 20 for bug 349992

Revision history for this message
Mike Kaplinskiy (mike-kaplinskiy) wrote : Re: [945 tiling] Low performance due to no A17 workaround

I can confirm, with linux-image-2.6.30rc2 and xserver-xorg-video-intel-2:2.6.3-0ubuntu9, I get a definite performance boost when using kwin. With other kernels there was stuttering under any compositing, but now performance seems to be back or even better than it was in intrepid (using UXA).

I don't get any crashes when suspending, but I get a very weirdly rainbow-colored screen right before the computer shuts down and right before X comes back. It looks sort of like when you press on an LCD monitor REALLY hard in the top left and bottom left corners. Doesn't really change anything, just a little weird.

lspci -vnn:
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
        Subsystem: Fujitsu Limited. Device [10cf:1380]
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at f0300000 (32-bit, non-prefetchable) [size=512K]
        I/O ports at 1800 [size=8]
        Memory at e0000000 (32-bit, prefetchable) [size=256M]
        Memory at f0400000 (32-bit, non-prefetchable) [size=256K]
        Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable-
        Capabilities: [d0] Power Management version 2
        Kernel modules: intelfb