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[Bug 1497828] Re: Clients using swap interval zero in Unity8 freeze occasionally. Need to interact with the shell to unfreeze them.

 

When the freeze occurs, MIR_CLIENT_PERF_REPORT=log in the affected
client shows the client is then seeing only two buffers despite Mir
being configured for triple buffers. So it would appear the problem
might be QtMir failing to release the one that's on screen.

** Summary changed:

- Clients in Unity8 freeze occasionally. Need to interact with the window or launcher to unfreeze them.
+ Clients using swap interval zero in Unity8 freeze occasionally. Need to interact with the shell to unfreeze them.

** Description changed:

- Clients in Unity8 freeze occasionally. Need to interact with the window
- or launcher to unfreeze them.
+ Clients using swap interval zero in Unity8 freeze regularly. Need to
+ interact with the shell to unfreeze them.
  
  Test case (on Unity8 wily desktop):
+ $ glmark2-mir -b :title=--desktop_file_hint=unity8
  
- $ glmark2-mir -b :title=--desktop_file_hint=unity8
+ Test case (on a phone):
+ $ mir_demo_client_target -n--desktop_file_hint=unity8

** Summary changed:

- Clients using swap interval zero in Unity8 freeze occasionally. Need to interact with the shell to unfreeze them.
+ Clients using swap interval zero in Unity8 freeze regularly. Need to interact with the shell to unfreeze them.

** Tags added: performance

-- 
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:
  Clients using swap interval zero in Unity8 freeze regularly. Need to
  interact with the shell to unfreeze them.

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

Bug description:
  Clients using swap interval zero in Unity8 freeze regularly. Need to
  interact with the shell to unfreeze them.

  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

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


References