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Description of problem: guest: rhel-6.2 When playing flash movies in youtube (Used firefox 10.0.3; flash player in non full-screen mode), the streaming is not smooth and goes forward and back. The symptom is similar to the one in bug 813826. But the cause is different: The driver initiate update_area(primary-surface) calls, which lead to the deletion of stream frames from the "current tree" (red_worker.c/current_remove_drawable). During this call, the frames are detached from the stream, and if they weren't sent to the client yet, they will be sent as a regular image, and not as part of the stream. Since the video streams are delayed on the client side (due to de-jitter buffer & lip sync), and are not synchronized with the other qxl commands, the drawing of the "video containing" image, appear as a glitch. The disassociation of the frame from the streams seem to be a bug.
Fixing bug 815076 (removing the calls to update_area when lacking memory), will probably make this bug unnoticeable.
This request was not resolved in time for the current release. Red Hat invites you to ask your support representative to propose this request, if still desired, for consideration in the next release of Red Hat Enterprise Linux.
Closing based on #815076 resolution.