Ubuntu
linux-raspi package

  1. Impish (21.10)
  2. Bug #1944397
  3. Comment #44

Comment 44 for bug 1944397

Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Sorry I just realized -- this may not be a kernel regression at all.

Mutter 40 was when atomic KMS started being used by GNOME. But it doesn't work reliably for all kernel drivers. If that happens to include vc4 then we just need to add it to Mutter's atomic_driver_deny_list.

As a workaround you can add this to /etc/environment:

  MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0