$ ../frysk-core/frysk/bindir/ftrace --follow -dl ./JniRunner 9560.9560 attached /bin/bash 9561.9561 attached /bin/bash 9561.9562 attached /bin/bash Exception in thread "main" 9561.9563 attached /bin/bash 9564.9564 attached /usr/bin/gij java.lang.UnsatisfiedLinkError: libfrysk-sys-jni: ./libfrysk-sys-jni.so: undefined symbol: dwfl_standard_find_debuginfo at java.lang.Runtime._load(libgcj.so.8rh) at java.lang.Runtime.loadLibrary(libgcj.so.8rh) at java.lang.System.loadLibrary(libgcj.so.8rh) at JniRunner.<clinit>(JniRunner.java:66) at java.lang.Class.initializeClass(libgcj.so.8rh) 9561.9563 exited with status 1 9561.9562 exited with status 1 9561.9561 exited with status 1 9560.9560 exited with status 1 <hang>