Pierre Neidhardt <m...@ambrevar.xyz> writes: > Hi, > > My last system reconfigure dates back to April 17th and works > flawlessly. > Yesterday I ran a new one and X / GDM don't start up properly: > > - I can guess bits and pieces of the GDM interface but the screen is > torn asunder by the most epic artifacts (green / purple flashing tiles). > > - In a TTY, I see that GDM is restarting in an infinite loop. > > - dmesg reports some "corruption" at the level of the video card (AMD > Radeon RX 580). > > The weird thing is that I'm still using Linux 5.0.7 like I was on April > 17th and everything worked well. > > I've tried both with linux-libre and a custom kernel. > > Have we changed anything to the boot parameters maybe? > > > Side question: how do we know which Guix commit was used for a specific > system generation? For now the only way I can think of is > > /var/guix/profiles/system-17-link/profile/bin/guix --version > > Anything more convenient? From Emacs Guix?
See bug#35575. If you have the same symptoms, the problem is most likely that mesa does not check its shader cache. Working solution - clear $HOME/.cache/mesa_shader_cache/ -- WBR, Boris Dekshteyn