01org/libyami — pull request #143 by halleyzhao (2014-11-19 01:24:19+00:00)
Title: v4l2: work around a strange x11 exception during XFreePixmap

terminate vaapi before XFreePixmap work around the exception;
otherwise there is "BadDrawable" exception though the Pixmap is valid.

maybe driver 'lock' the Pixmap at that time, or dri protocol issue.