Ubuntu
linux package

  1. Cosmic (18.10)
  2. Bug #1791312
  3. Comment #29

Comment 29 for bug 1791312

Revision history for this message
In , Werner-lueckel-m (werner-lueckel-m) wrote :

- I attached 2 dmesg-listings;
  booting Ubuntu14.04, Kernel3.13 -> screen is o.k.; no flickering
  booting Ubuntu18.04, Kernel4.15 -> screen flickers.
- no Xorg log since the flickering happens already in text-mode
- I did the following test (on Ubuntu18.04):
  . boot with radeon.modeset=0 (thus: disable radeon driver)
    -> screen o.k.; NO flickering
  . then sudo modprobe -v radeon modeset=1
    -> and the flickering starts ...