kernel-packages team mailing list archive

[Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>]

I think it's clear that nouveau at a kernel-level has problems which
will cause tearing. So it would be a misdirection of effort to continue
trying to fix various compositors while it's still failing to sync to
vblank in the kernel.

To avoid confusing ourselves, we should probably wait until the kernel
side is fixed. And then see what else might need work after that...

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https://bugs.launchpad.net/bugs/1195811

Title:
  nouveau: Abnormally high FPS and tearing (no vsync) on natively mir
  testing demo-clients.

Status in Mir:
  Triaged
Status in “linux” package in Ubuntu:
  In Progress

Bug description:
  I installed Ubuntu 13.10 (yesterday)  in order to test Xmir and Mir natively (examples-clients). Xmirg worked flawlessly. The only "problem" was the duplicate mouse cursor(s).
  But I noticed an abnormally high FPS in some clients demo when I tested Mir natively per these instructions
  http://unity.ubuntu.com/mir/using_mir_on_pc.html

  I recorded the test case using external camera.  Apologies for the quality but you will see the values.
  http://www.youtube.com/watch?v=zil-lRNlaks

  I attached an apport.log just for more info if are needed.

  I'm not a technical guy and I filled this report prompted by @duflu in IRC #ubuntu-mir
  You can read the mini conversation here.
  http://irclogs.ubuntu.com/2013/06/28/%23ubuntu-mir.html

  This test had the same results either if X only was running in VT7 (Video)  or Xmir.
  I hope I helped... in something.

  Regards
   NikTh

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