[Bug runtime/6964] process probes cause kernel crash on f9

[wenji dot huang at oracle dot com]

------- Additional Comments From wenji dot huang at oracle dot com  2008-10-21 03:09 -------
Did some tests to narrow the scope.
It works fine for:
   stap -vve 'probe kernel.function("sys_open"){}' -c ls
   stap -vve 'probe process("./test").syscall {}' -c ls

only got crashed when
   stap -vve 'probe process.syscall {}' -c ls

I guess the reason is the spawn process by stap is being hitted. Some signals
are delayed/messed so that BUG_ON in utrace_get_signal is triggered.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=6964

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