When running some software (Structure Builder by Tendril Software) under jdk1.1.5v7 including glibc 2.0.7-7 (glibc and glibc-devel) patches for RedHat5, I get a SEGV kind of thing when it tries to close a small "loading progress" type dialog. Here's a subset of the output: Full thread dump: "Thread-5" (TID:0x40673190, sys_thread_t:0x4141de0c, state:R) prio=5 *current thread* sun.awt.motif.MComponentPeer.dispose(MComponentPeer.java:215) sun.awt.motif.MDialogPeer.dispose(MDialogPeer.java:79) java.awt.Component.removeNotify(Component.java:2526) java.awt.Container.removeNotify(Container.java:1149) java.awt.Window.dispose(Window.java:177) com.tendril.awt.p.dispose(Unknown Source) com.tendril.frontend.os$ProgressBarDisplay.Ὂ(Unknown Source) .... [I assume nothing else would be helpful] ... I hope this is helpful. Regards, Chris Dailey