Regression test javax/swing/system/6799345/TestShutdown.java fails on Linux/Solaris systems with the following message:

AWT blocker activation interrupted:
java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at sun.awt.AWTAutoShutdown.activateBlockerThread(AWTAutoShutdown.java:331)
at sun.awt.AWTAutoShutdown.notifyThreadBusy(AWTAutoShutdown.java:168)
at java.awt.EventQueue.initDispatchThread(EventQueue.java:847)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:170)
Test FAILED: an exception is caught in the target thread group on thread AWT-XAWT
java.lang.IllegalMonitorStateException
at java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:155)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1193)
at java.util.concurrent.locks.ReentrantLock.unlock(ReentrantLock.java:459)
at sun.awt.SunToolkit.awtUnlock(SunToolkit.java:277)
at sun.awt.X11.XToolkit.run(XToolkit.java:634)
at sun.awt.X11.XToolkit.run(XToolkit.java:561)
at java.lang.Thread.run(Thread.java:717)
java.lang.RuntimeException: Test FAILED: some exceptions occurred
at TestShutdown.main(TestShutdown.java:69)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:623)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:717)