OK, it took many attempts but finally I reproduced this with nvidia. Turns out it's not a window stacking problem at all. It is compiz crashing somewhere in the nvidia driver...
==24245== Invalid read of size 4 ==24245== at 0x403ED72: ??? (in /tmp/glnBE1LO (deleted)) ==24245== by 0x4070FFF: ??? (in /dev/nvidia0) ==24245== by 0xFBBDA8B: ??? (in /dev/nvidia0) ==24245== by 0x3: ??? ==24245== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==24245== ==24245== ==24245== Process terminating with default action of signal 11 (SIGSEGV) ==24245== Access not within mapped region at address 0x0 ==24245== at 0x403ED72: ??? (in /tmp/glnBE1LO (deleted)) ==24245== by 0x4070FFF: ??? (in /dev/nvidia0) ==24245== by 0xFBBDA8B: ??? (in /dev/nvidia0) ==24245== by 0x3: ??? ** Summary changed: - Compiz won't start if "unredirect fullscreen windows" is enabled + [nvidia] Compiz won't start if "unredirect fullscreen windows" is enabled ** Summary changed: - [nvidia] Compiz won't start if "unredirect fullscreen windows" is enabled + [nvidia] Compiz crashes on startup if "unredirect fullscreen windows" is enabled -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/980663 Title: [nvidia] Compiz crashes on startup if "unredirect fullscreen windows" is enabled To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/980663/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
