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[Bug kprobes/2091] system crash when running "./systemtap.stress/current.stp" on power


------- Additional Comments From guij at cn dot ibm dot com  2005-12-22 03:07 -------
Subject: Re:  New: system crash when running "./systemtap.stress/current.stp" on power

>> My suggestions for diagnosing this bug include:
> 1. Try the same thing without the entry probes.
> 2. Try the same thing without the return probes.
> 3. Run "stap -p3 xxx.stp > xxx.c" and extract the list of kretprobe 
> probe
> addresses (dwarf_kprobe_1[]?).  Build a C module that establishes 
> entry kprobes
> and/or return probes for all these functions.  See if that crashes. 
> If so, keep
> removing functions from the list until you get a module that doesn't 
> cause a
> crash.  Keep playing with the list until you figure out a minimal 
> list to
> demonstrate the bug.

Thanks for your suggestions. I've tried 1 and 2, and no crashes. I'll 
try 3
to minimize the list.




-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=2091

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