https://bugs.freedesktop.org/show_bug.cgi?id=96768

Bug ID: 96768 Summary: Black screen past login with RX 480, Ubuntu 16.04 and AMDgpu-pro 16.30 Product: DRI Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu-pro Assignee: dri-devel@lists.freedesktop.org Reporter: pyrignis@gmail.com

Created attachment 124845 --> https://bugs.freedesktop.org/attachment.cgi?id=124845&action=edit output of the dmesg command

Symptoms: Login screen renders properly Past login, the screen turns black, with the pointer visible and a blank pixel in the upper left corner. On some occasion the pointer turns from the arrow to the vertical bar. crtl+alt+F<whaterver> works and brings the user to the tty.

all symptoms are reverted when the llvm driver is used.

System: Ubuntu 16.04 Gnome edition (but even with unity installed and configured as default the symptoms are the same) AMD Radeon RX 480 8G AMDgpu-pro 16.30 4.4 kernel

The dmesg file is the output of the command after a tty return with ctrl+alt+F4.

original description here: https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/amd-linux...