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

Bin Li 1780076 at bugs.launchpad.net
Wed Aug 29 14:35:33 UTC 2018


Here is the patch for
https://gitlab.gnome.org/GNOME/gdm/merge_requests/38


** Patch added: "0003-data-61-gdm.rules.in.patch"
   https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1780076/+attachment/5182209/+files/0003-data-61-gdm.rules.in.patch

** Patch removed: "disable-wayland-bydefault.patch"
   https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1780076/+attachment/5159579/+files/disable-wayland-bydefault.patch

** Patch removed: "ubuntu_disable_wayland_huawei_chipsets.patch"
   https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1780076/+attachment/5160787/+files/ubuntu_disable_wayland_huawei_chipsets.patch

** Patch removed: "0001-Disable-wayland-for-Huawei-Hi1710-LP-1780076.patch"
   https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1780076/+attachment/5179560/+files/0001-Disable-wayland-for-Huawei-Hi1710-LP-1780076.patch

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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:
  New
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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