I am seeing error messages in the log that may have to do with the
problem:
2021-06-26T13:52:58.075527+02:00 mothership systemd[32763]: Starting GNOME
Shell on Wayland...
2021-06-26T13:52:58.222505+02:00 mothership gnome-shell[33029]: pci id for fd
9: 1a03:2000, driver (null)
2021-06-26T13:52:58.222634+02:00 mothership gnome-shell[33029]: MESA-LOADER:
failed to open ast (search paths
/usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri)
2021-06-26T13:52:58.222679+02:00 mothership gnome-shell[33029]: failed to load
driver: ast
2021-06-26T13:52:58.257536+02:00 mothership gnome-shell[33029]: Failed to
initialize accelerated iGPU/dGPU framebuffer sharing: Do not want to use
software renderer (llvmpipe (LLVM 11.0.0, 256 bits)), falling back to CPU copy
path
[...]
2021-06-26T14:27:22.564213+02:00 mothership gnome-shell[23054]: Failed
to initialize accelerated iGPU/dGPU framebuffer sharing: Do not want to
use software renderer (llvmpipe (LLVM 11.0.0, 256 bits)), falling back
to CPU copy path
[...]
2021-06-26T14:27:25.305014+02:00 mothership gnome-shell[23054]: Failed to post
KMS update: drmModePageFlip on CRTC 33 failed: Nicht genügend Hauptspeicher
verfügbar
2021-06-26T14:27:25.318910+02:00 mothership gnome-shell[23054]: GNOME Shell
started at Sat Jun 26 2021 14:27:22 GMT+0200 (CEST)
2021-06-26T14:27:25.319761+02:00 mothership gnome-shell[23054]: Registering
session with GDM
** Summary changed:
- Screen goes blank after login
+ Screen goes blank after login (Aspeed graphics)
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https://bugs.launchpad.net/bugs/1933724
Title:
Screen goes blank after login (Aspeed graphics)
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