[Bug 70385] New: r600 glamor high X cpu usage and lag on some gtk2 applications

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70385

          Priority: medium
            Bug ID: 70385
          Assignee: dri-devel at lists.freedesktop.org
           Summary: r600 glamor high X cpu usage and lag on some gtk2
                    applications
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: aleks0545 at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 9.2
         Component: Drivers/DRI/R600
           Product: Mesa

Hi,

I try to run my Archlinux with Glamor acceleration on my RV670 card (AGP), but
X server takes a (slight) high CPU usage (~15-18%, on Opteron 185 2600 MHz
S939) when i activate it with xorg.conf. Revert back to EXA falls X CPU usage
to < 5-6%. Moreover, with Glamor, some gtk2 applications have strong lag for
example when i click on a menu in the menu bar, like Thunar, or, when i switch
tabs of web pages in Midori. This is strange because i have no problem when i
scroll web pages, all run smoothly (better performance than EXA). On other gtk2
applications i haven't this problem. Also, with Glamor enabled the XFCE logout
dialog takes about a minute to be shown. Neither Xorg.log nor dmesg show
anything about any bug (memory leak or other). X has never crashed.

Here some informations :
glxinfo > OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD RV670
OpenGL core profile version string: 3.1 (Core Profile) Mesa 9.2.1
OpenGL core profile shading language version string: 1.40
OpenGL core profile context flags: (none)

uname > 3.11.4-1-ARCH #1 SMP PREEMPT Sat Oct 5 21:22:51 CEST 2013 x86_64
GNU/Linux

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