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[Bug runtime/5085] New: print_backtrace() and backtrace() not working in timer.profile probe on 2.6.23-rc8 kernel


With the 2.6.23-rc8 kernel the following tests fail:

FAIL: backtrace of timer.profile (1)
FAIL: print_stack of timer.profile (0)

This is from testsuite/systemtap.context/backtrace.stp. Looking through the
systemtap.log see bogus addresses like the following:

--------

backtrace from timer.profile:

 0x001d3392

--------

the profile stack is 0x001d3392

--------

 0x001d3392

--------

Note that the test is passing on the same machine with the standard RHEL4
kernel,  2.6.9-55.0.9.ELsmp

-- 
           Summary: print_backtrace() and  backtrace() not working in
                    timer.profile probe on 2.6.23-rc8 kernel
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: wcohen at redhat dot com
  GCC host triplet: i686


http://sourceware.org/bugzilla/show_bug.cgi?id=5085

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