Created attachment 118053 [details]
threaddump

dev build #20120404, jdk 7u4 b19
----------------------------------
similar to issue 210752:


Found one Java-level deadlock:
=============================
"AWT-EventQueue-0":
  waiting to lock monitor 0x00007fbf42804c90 (object 0x00000007d02c61d0, a sun.awt.PostEventQueue),
  which is held by "AppKit Thread"
"AppKit Thread":
  waiting for ownable synchronizer 0x00000007d038f548, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),
  which is held by "AWT-EventQueue-0"

Java stack information for the threads listed above:
===================================================
"AWT-EventQueue-0":
	at sun.awt.PostEventQueue.noEvents(SunToolkit.java:2104)
	- waiting to lock <0x00000007d02c61d0> (a sun.awt.PostEventQueue)
	at sun.awt.SunToolkit.isPostEventQueueEmpty(SunToolkit.java:577)
	at java.awt.EventQueue.detachDispatchThread(EventQueue.java:1048)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:103)
"AppKit Thread":
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000007d038f548> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
	at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
	at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
	at java.awt.EventQueue.postEventPrivate(EventQueue.java:235)
	at java.awt.EventQueue.postEvent(EventQueue.java:221)
	at sun.awt.PostEventQueue.flush(SunToolkit.java:2116)
	- locked <0x00000007d02c61d0> (a sun.awt.PostEventQueue)
	at sun.awt.SunToolkit.flushPendingEvents(SunToolkit.java:563)
	at java.awt.EventQueue.postEvent(EventQueue.java:220)
	at java.awt.EventQueue.invokeLater(EventQueue.java:1188)
	at com.apple.eawt._AppEventHandler$_AppEventMultiplexor.dispatch(_AppEventHandler.java:430)
	at com.apple.eawt._AppEventHandler.handleNativeNotification(_AppEventHandler.java:197)

Found 1 deadlock.