Kernel: Linux 2.6.9-30.EL.root #1 SMP Mon Feb 6 14:30:00 CST 2006 i686 i686 i386 GNU/Linux Stap translator summary of failed tests buildok-syscall.stp Testsuite summary of failed tests === systemtap Summary === # of expected passes 127 And system crashed when running systemtap.stress/current.stp script, the kernel version is latest RHEL4-U3 refresh kernel. And attachment is dump message.