Bug#803112: Upgrading kernel fixes bug
I discovered that upgrading to kernel linux-image-4.5.0-2-amd64 fixes this bug completely. To be clear I was on 3.14-rt beforehand and didn't have the correct package installed for the kernel to auto-update to newer versions. However for the benefit of others it's probably worth noting that with the 4.5.0-2 kernel I get another bug, which causes these errors when switching consoles with Ctrl-Alt-F[1-9]: [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe A [drm:ironlake_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A [drm:cpt_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun Sometimes this can cause a crash. So I've compiled the mainline kernel 4.7.0-rc1 (not tested any lower versions yet). Finally everything seems to be working OK!
Bug#803112: gdm3: Black/grey screen with unresponsive mouse cursor on GDM start
This bug is still present in gdm3 version 3.20.1-1
Bug#803112: Workaround for bug
I found out a proper workaround which is to uncomment the line that says "WaylandEnable=false" in /etc/gdm3/daemon.conf and then reboot. It is necessary to reboot, not just restart gdm3 for some reason. If I just restart gdm3 without rebooting I am presented with a flickering screen instead of a black screen. However on rebooting everything works as it should, I can login by entering my password, stop, start, restart gdm3, et|c. |
