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[Bug 1497828] Re: Apps appear to freeze in Unity8, although they are really still rendering (swap interval zero). Need to interact with the shell to unfreeze it.

 

The proof the client is really still rendering while the composited
image appears frozen is in MIR_CLIENT_PERF_REPORT=log. Using that you
can see the client is still rendering at a high rate but it also shows
the client has been starved of one of its three buffers during the
freeze.

** Summary changed:

- Clients using swap interval zero in Unity8 freeze regularly. Need to interact with the shell to unfreeze them.
+ Apps appear to freeze in Unity8, although they are really still rendering (swap interval zero). Need to interact with the shell to unfreeze it.

** Description changed:

- Clients using swap interval zero in Unity8 freeze regularly. Need to
- interact with the shell to unfreeze them.
+ Apps appear to freeze in Unity8, although they are really still
+ rendering (swap interval zero). Need to interact with the shell to
+ unfreeze it.
  
  Test case (on Unity8 wily desktop):
  $ glmark2-mir -b :title=--desktop_file_hint=unity8
  
  Test case (on a phone):
  $ mir_demo_client_target -n--desktop_file_hint=unity8

** Description changed:

  Apps appear to freeze in Unity8, although they are really still
  rendering (swap interval zero). Need to interact with the shell to
  unfreeze it.
  
  Test case (on Unity8 wily desktop):
  $ glmark2-mir -b :title=--desktop_file_hint=unity8
+ This freezes a couple of times during the benchmark.
  
  Test case (on a phone):
  $ mir_demo_client_target -n--desktop_file_hint=unity8
+ This freezes very quickly when you move your finger around.

** Tags added: xmir

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to unity8 in Ubuntu.
https://bugs.launchpad.net/bugs/1497828

Title:
  Apps appear to freeze in Unity8, although they are really still
  rendering (swap interval zero). Need to interact with the shell to
  unfreeze it.

Status in QtMir:
  New
Status in qtmir package in Ubuntu:
  New
Status in unity8 package in Ubuntu:
  New

Bug description:
  Apps appear to freeze in Unity8, although they are really still
  rendering (swap interval zero). Need to interact with the shell to
  unfreeze it.

  Test case (on Unity8 wily desktop):
  $ glmark2-mir -b :title=--desktop_file_hint=unity8
  This freezes a couple of times during the benchmark.

  Test case (on a phone):
  $ mir_demo_client_target -n--desktop_file_hint=unity8
  This freezes very quickly when you move your finger around.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qtmir/+bug/1497828/+subscriptions


References