desktop-packages team mailing list archive

[Kevin DuBois <kevin.dubois@xxxxxxxxxxxxx>]

Its seeming like the gpu-facing cache is the one that needs invalidation
from the GL/gralloc driver, but is not being flushed. This is a CPU/GPU
coordination issue, and the GPU-based scenarios all work through the
same cache and do not experience this problem. If we use overlays, this
is not an issue, as the MDP/CPU cache sync seems to work.
(Unfortunately, overlays are not supported on external displays)

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https://bugs.launchpad.net/bugs/1406725

Title:
  Severe graphical corruption (mostly horizontal streaks/lines) running
  software clients (including Xmir) on android

Status in canonical-pocket-desktop:
  In Progress
Status in Mir:
  In Progress
Status in xorg-server package in Ubuntu:
  Invalid

Bug description:
  I'm seeing severe graphical corruption running mir_demo_client_flicker
  on mako.

  Start a few instances of the client (or just one flicker and some
  other clients) and you'll see the mir_demo_client_flicker window
  contains significant corruption.

  I don't think it's an overlays issue. The problem occurs even without
  overlays.

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