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[Bug runtime/5182] New: Scripts won't exit

Scripts I run using the latest cvs code (as of 10/15/07 @ 11:15 AM PDT) will not
exit.  A Ctrl-C or explicit exit() displays the following:

stapio:sigproc:22 sigproc 2 (Interrupt)
stapio:stp_main_loop:293 got STP_EXIT, closed=0
stapio:cleanup_and_exit:216 CLEANUP AND EXIT  closed=0
stapio:close_relayfs:220 closing
stapio:close_relayfs:239 done
stapio:cleanup_and_exit:229 closing control channel
staprun:cleanup:179 rc=3, inserted_module=1
staprun:stop_symbol_thread:464 Stopping symbol thread.
staprun:cleanup:194 removing module stap_14f450c36f752aed577949ccb1f8d21b_501

then it just hangs.

"rmmod <stap_module>" indicates the module is still in use:

ERROR: Module stap_14f450c36f752aed577949ccb1f8d21b_501 is in use

"ps -e | grep stap" indicates stap and staprun are still running:

24153 pts/4    00:00:00 stap
24155 pts/4    00:00:00 staprun

"kill -9 <staprun_pid>" causes staprun and stap to exit and the module to be

I'm running the 2.6.23-mm1 kernel on x86_64.

           Summary: Scripts won't exit
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: mmlnx at us dot ibm dot com

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