ROOT CAUSE FOUND The cause of the flickering black screen has been identified as the lxfb framebuffer module.
After I blacklisted the lxfb module, the screen operates normally. To prevent this issue from occurring again, blacklist the lxfb framebuffer module in /etc/modprobe.d/blacklist-framebuffer -- X goes black on the PepperPad3 https://bugs.launchpad.net/bugs/154172 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
