AMD WX7100 screen display problem on AArch64 architecture server.

Lvzhihong (ReJohn) lvzhihong1 at
Thu Dec 14 08:00:46 UTC 2017

>With ShadowPrimary enabled, all normal X11 drawing is performed by the CPU, not the GPU.

>Does enabling ShadowPrimary also make OpenGL applications look correct?

>If not, it's most likely a Mesa or maybe LLVM issue.

Enableing ShadowPrimary, some OpenGL applications looks better. But some app still has problem:

[cid:image001.png at 01D374F4.41DB2700]

By the way, I set "AccelMethod" to ”none” instead of “glamor” also makes the screen became normal. but OpenGL app run with Error:

X Error of failed request:  BadDrawable (invalid Pixmap or Window parameter)

  Major opcode of failed request:  153 (DRI2)

  Minor opcode of failed request:  8 (DRI2SwapBuffers               )

  Resource id in failed request:  0x1e00002

  Serial number of failed request:  115

  Current serial number in output stream:  116

If it is most likely a Mesa or LLVM issue, how can I debug or do some trial ?


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