[Bug runtime/14348] New: Systemtap systemtap.base/buildid.exp hangs on F17 machines

[wcohen at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14348

             Bug #: 14348
           Summary: Systemtap systemtap.base/buildid.exp hangs on F17
                    machines
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: critical
          Priority: P2
         Component: runtime
        AssignedTo: systemtap@sourceware.org
        ReportedBy: wcohen@redhat.com
    Classification: Unclassified


When trying out the Fedora 17 systemtap-1.8 rpms on x86_64 machine the
systemtap.base/buildid.exp test would hang and the cpu use would be pegged. 
This has been observed both on a physical f17 machine and virtual image.

kernel-3.4.4-5.fc17.x86_64
systemtap-1.8-1.fc17.x86_64
systemtap-testsuite-1.8-1.fc17.x86_64

To reproduce.

As root:

cd /usr/share/systemtap/testsuite/
make installcheck RUNTESTFLAGS="--debug buildid.exp"

The test will start running but never finish. Will also see the cpu load be
pegged on the machine. 

Note that this problem has not been observed in the upstream git verions of
systemtap. It is suspected that that the following patch is fixing the problem

http://sourceware.org/git/gitweb.cgi?p=systemtap.git;a=commit;h=50bd2c22a62981ae8b7b379d48574671228f1446

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