[Kernel-packages] [Bug 1870971] Re: [amdgpu] (X)ubuntu 20.04 boots to black screen on Lenovo Ideapad L340-17API when in battery mode

2020-06-30 Thread Katan Maier
@franzheinz: I didn't notice any negative side effects with the workaround in #20. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1870971 Title: [amdgpu] (X)ubuntu 20.04 boots to black

[Kernel-packages] [Bug 1870971] Re: [amdgpu] Xubuntu 20.04 boots to black screen on Lenovo Ideapad L340-17API

2020-06-23 Thread Katan Maier
@alexander-s-m: On a fresh install without any workarounds using VLC with the setting "Hardware-accelerated decoding" set to "VDPAU video decoder" (under Tools -> (Simple) Preferences -> Input/Codec) I experience the same low video quality on HDTV (H.264) video channels you are writing about.

[Kernel-packages] [Bug 1870971] Re: [amdgpu] Xubuntu 20.04 boots to black screen on Lenovo Ideapad L340-17API

2020-06-22 Thread Katan Maier
Lenovo Ideapad S540-14API Ubuntu Mate 20.04 user here: Same bug affects me very much. Black screen on boot, probably only when on battery-only during boot. The workaround mentioned in #3 works for me, but the battery runtime is halved. The workaround in #5 has the effect of no video during vlc