[Bug 1780076] Re: 18.04 login screen is skewed/distorted (incorrect stride) when using hibmc_drm graphics

Bin Li 1780076 at bugs.launchpad.net
Thu Aug 30 01:43:57 UTC 2018


** Changed in: gdm3 (Ubuntu)
     Assignee: (unassigned) => Bin Li (binli)

** Changed in: gdm3 (Ubuntu)
       Status: New => In Progress

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Title:
  18.04 login screen is skewed/distorted (incorrect stride) when using
  hibmc_drm graphics

Status in gdm3 package in Ubuntu:
  In Progress
Status in mesa package in Ubuntu:
  New
Status in mutter package in Ubuntu:
  New

Bug description:
  Upstream: https://gitlab.gnome.org/GNOME/mutter/issues/219

  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

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