On Mon, Jan 29, 2018 at 6:51 PM, mikhail <mikhail.v.gavrilov at gmail.com> wrote: > > May be problem in my LLVM and MESA? > mesa: 17.4.0-0.16.git41c36c4 > llvm: 7.0.0-0.1.r322132 I don't know. > > I am couldn't update it to much newer version cause newer version is > breaks my GNOME desktop. I am wrote about it before in this mailing > list. Please report this issue to the gnome-shell team. gnome-shell has a bug in how they handle (or ignore) 10-bits-per-channel visuals. The workaround is to set the environment variable "allow_rgb10_configs=false" for gnome-shell. Marek