Thanks. Please report the bug to upstream here: https://gitlab.gnome.org/GNOME/mutter/issues
also mentioning it is: 05:00.0 VGA compatible controller: Huawei Technologies Co., Ltd. Hi1710 [iBMC Intelligent Management system chip w/VGA support] (rev 01) Kernel driver in use: hibmc-drm Kernel modules: hibmc_drm -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1780076 Title: 18.04 login screen is skewed/distorted (incorrect stride) Status in gdm3 package in Ubuntu: New Status in mesa package in Ubuntu: Incomplete Status in mutter package in Ubuntu: Incomplete Bug description: We found the login screen is blur, with Huawei's chip. 05:00.0 VGA compatible controller [0300]: Huawei Technologies Co., Ltd. Hi1710 [iBMC Intelligent Management system chip w/VGA support] [19e5:1711] (rev 01) When we set the Wayland to disable, it could login. [daemon] # Uncoment the line below to force the login screen to use Xorg WaylandEnable=false To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1780076/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp