The commit (patch) that fixes it, is here: https://cgit.freedesktop.org/xorg/xserver/commit/?id=1326ee0bc5eb858c3c00847b3ba65134e4ca2e2d
I can confirm that it fixes this issue if applied on top of Bionics xorg-server 2:1.19.6-1ubuntu4 source package and built. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1754296 Title: [bionic] startx / xinit crashes with GLX backtrace if Composite Disabled in xorg.conf (intel mesa driver) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1754296/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs