[Bug kprobes/2726] New: systemtap.base/probefunc.exp crash in kernel/module.c:2114 on RHEL4

["wcohen at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

When running the systemtap testsuite on a RHEL4 machine with the 2.6.9-37.EL
kernel, the systemtap.base/probesfunc.exp crashes the machine with the following
message on the console:


Linux slingshot.devel.redhat.com 2.6.9-37.EL #1 Fri May 19 17:55:44 EDT 2006
i686 athlon i386 GNU/Linux

Kernel panic - not sync: kernel/module.c:2114:
spin_lock(kernel/module.c:c036b280) already locked by kernel/module.c:2114

 Badness in panic at kernel/panic.c:118


systemtap.base/probefunc.exp definitely causes the crash when trying to probe
kernel.function("scheduler_tick"). I don't have a great deal of details about
the failure on the RHEL4 UP kernel. There wasn't a traceback or oops on the screen.

-- 
           Summary: systemtap.base/probefunc.exp crash in
                    kernel/module.c:2114 on RHEL4
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: kprobes
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: wcohen at redhat dot com
GCC target triplet: i386-linux


http://sourceware.org/bugzilla/show_bug.cgi?id=2726

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