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[Bug 966744] Re: Resume from suspend leaves me with black screen or a screen of the desktop before it suspended (though the mouse still moves/changes cursor)

To: compiz@xxxxxxxxxxxxxxxxxxx
From: Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>
Date: Thu, 26 Jul 2012 02:48:44 -0000
Reply-to: Bug 966744 <966744@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Thanks Chauncellor, the stack trace is very good actually. It shows compiz is blocked in the intel driver:
intel_update_renderbuffers () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so

This is probably the fault of the intel graphics driver, unless...

1. compiz is passing it invalid data. Looks highly unlikely; or
2. compiz is spinning at 100% CPU overwhelming the driver. Is it?

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https://bugs.launchpad.net/bugs/966744

Title:
  Resume from suspend leaves me with black screen or a screen of the
  desktop before it suspended (though the mouse still moves/changes
  cursor)

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