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[Bug runtime/6764] Execution of probefunc.exp causes system hang on s390 system
- From: "wenji dot huang at oracle dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 25 Jul 2008 06:45:22 -0000
- Subject: [Bug runtime/6764] Execution of probefunc.exp causes system hang on s390 system
- References: <20080724102522.6764.srinivasa@in.ibm.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From wenji dot huang at oracle dot com 2008-07-25 06:45 -------
> Different scenarios under which system works well.
> 1) printing "hello" message and calling probefunc() or pp()(without printing
> their value) inside scheduler_tick() probe handler.
> ========================================
> probe kernel.statement(0x000000000003b83c).absolute {
> funcname = probefunc();
> printf("hello");
> }
> ==============================
The unused variable will be optimized, try it with -u. The problem won't exist
on x86, seems specific to s390.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6764
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