bigapps/Kitchensink/stressExitCode hits assert: Must be VMThread or JavaThread

 # Internal Error (hotspot/src/os/linux/vm/os_linux.cpp:4010), pid=28109, tid=26462
[glue.process.out] [stress.process.out] # assert(thread->is_VM_thread() || thread->is_Java_thread()) failed: Must be VMThread or JavaThread