Don't know if it can help, but enabling DRI3 solves the problem for me.
Just added this to /usr/share/X11/xorg.conf.d/20-intel.conf :
Section "Device"
Identifier "Card0"
Driver "Intel"
Option "DRI" "3"
EndSection
ad restarted X
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1430888
Title:
DRI_PRIME with radeon/intel windows do not draw
To manage notifications about this bug go to:
https://bugs.launchpad.net/xorg-server/+bug/1430888/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
