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Old 05-20-2018, 02:25 AM   #16
H1p8r10n
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It may be related to EXA.

One thing that I changed in my Radeon config to make it work was removing the Option "AccelMethod" "EXA"

just my 2 cents
JP
 
Old 05-22-2018, 02:49 PM   #17
Rod3775
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To JP -
It IS related to exa, but not caused by exa. ExaTryDriverComposite passes rendercomposite requests to miRenderColorToPixel, which assumes that the Picture in question has a Format. But solid Pictures (e.g. the root screen) don't. An ancient ChangeLog entry points out that the screen is always alpha-r-g-b with depths 8-8-8-8. So fixing miRenderColorToPixel to render pixels with no Format into 8-8-8-8 eliminates the segfault while still using exa compositing. Your workaround (eliminating the use of exa) and mine (eliminating the use of compositing in xfwm4) both eliminated the same call to miRenderColorToPixel, but in different ways.

Rod

Last edited by Rod3775; 05-22-2018 at 02:51 PM. Reason: typo
 
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Old 05-22-2018, 09:22 PM   #18
leee
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Bios change to 8 bit video on mother board.

I solved my seg fault for xorg by changing Bios (video card) on motherboard to 8 bit.
The boot screen is 8 bit vga.
After I log in and "startx" everything is fine.
Maybe it will help someone.
 
  


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