I'm have a similar problem. I'm going to see I can reproduce the up down key work around.
Currently the blank screen manifest every other boot. Can either enter pass phase blind or Ctrl+alt+del, to force reset then screen is visible. If I knew how to generate all of those reports I would. Starts right after running software updater, even after fresh install. Current linux-image-generic version 13.19.0.18.17 linux-image-extra-3.19.0-18-generic ver. 3.19.0-18.18 xserver-xorg-core ver. 2:1.17.1-0ubuntu3 xserver-xorg-video-ati 1:7.5.0-1ubuntu2 xserver-xorg-video-radeon 1:7.5.0-1ubuntu2 cryptsetup 2:1.6.1-1ubuntu7 udisk2 2.1.5-1 System hardware: Motherboard: ASUS SABERTOOTH 990FX/GEN3 R2.0 with current BIOS CPU: AMD FX-8150 @ ~4.1Ghz RAM: 32GB (4 x 8GB) Corsair maybe G-Skill (it's been a while since installing it) DDR3 2133 Dimms @ ~2133 Graphics Card primary: Sapphire Technology ATI Radeon HD 7870 Ghz Edition 2GB GDDR5 Graphics Card second: PowerColor AX7850 2GBD5-DH (AMD Radeon HD 7850) 2GB GDDR5 Wifi: AUSU PCE-AC68 Power Supply: Corsair RM 750 750 watt Several HDD's The only non-free software on the system is the Broadcom driver (otherwise I can't use the wifi card), and Kerbal Space Program. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1359689 Title: cryptsetup password prompt not shown To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-radeonhd/+bug/1359689/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
