I can confirm the last comment of Tomasz Czapiewski :
with the same packages installed (i have the proposed repo enabled too), only running the application by console using the dreaded "XLIB_SKIP_ARGB_VISUALS="1" mythfrontend" works.
If I put it in the scripts (mythfrontend or mythtv-setup), it works too.
I can confirm the last comment of Tomasz Czapiewski : ARGB_VISUALS= "1" mythfrontend" works.
with the same packages installed (i have the proposed repo enabled too), only running the application by console using the dreaded "XLIB_SKIP_
If I put it in the scripts (mythfrontend or mythtv-setup), it works too.