Now, after some package updates, i can no longer reproduce the strange behaviour where user can't use the proper driver and root can. That issue is fixed on my notebook. Still, some trouble remains: $ dmesg | grep error
[ 15.539757] render error detected, EIR: 0x00000010 [ 15.539764] [drm:i915_handle_error] *ERROR* EIR stuck: 0x00000010, masking [ 15.539785] render error detected, EIR: 0x00000010 -- KMS error message while intializing modesetting (during boot and resume) - render error detected, EIR: 0x00000010 [i915] https://bugs.launchpad.net/bugs/404064 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs