compiz team mailing list archive

[capiporra <969860@xxxxxxxxxxxxxxxxxx>]

OK, thanks to George's tip I finally solved the problem just disabling
"tear-free" in catalyst center (admin mode) and the configuration
proposed in the workaround:

(obviously with the proprietary ATI fglrx)

1. Open Catalyst Control Center (admin mode).
2. Display Options -> Tear Free-> disabled
3. Go to 3D > More Settings.
4. Set "Wait for vertical refresh" to "On, unless application specifies".


With tear-free enabled, I always get compiz at 100% inmediatly when close the lid of my laptop or 30 minutes after (aprox). 

I've tried to replicate the problem many many times with tear-free
disabled but is imposible, now is working flawless.  My laptop and
compiz process enjoys a cool and quiet idle mode indefinitely.

I suppose that "tear-free" is enabled by default in the opensource
driver, this would explain why this occurs with this driver too.

___________________________________________
Ubuntu 12.04
Catalyst Control Center: 12.4
Driver package: 8.96.7-120312A-135598c-ATI
2D Driver: 8.96.4

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https://bugs.launchpad.net/bugs/969860

Title:
  fglrx uses 100% CPU when screen turns off (spinning in
  glXWaitVideoSyncSGI or glXSwapBuffers)

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