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Created attachment 138535 [details] Jstack output When a code completion suggestion is given, the ide hangs. CPU/memory usage looks ok I am running ubuntu 13.04, but the same was happening on 12.10 I experience the same hang using Netbeans 7.2.1
Created attachment 138536 [details] editor screenshot
Created attachment 138537 [details] ps output for running netbeans ide
Already reported problem of multiple AWT EDTs running at the same time. *** This bug has been marked as a duplicate of bug 233557 ***