[Bug testsuite/14560] New: tempdir isn't always removed

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

http://sourceware.org/bugzilla/show_bug.cgi?id=14560

             Bug #: 14560
           Summary: tempdir isn't always removed
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
        AssignedTo: systemtap@sourceware.org
        ReportedBy: jistone@redhat.com
                CC: wcohen@redhat.com
    Classification: Unclassified


+++ This bug was initially created as a clone of Bug #14432 +++

After the commits fixing that bug, wcohen reports that cmd_parse.exp is hanging
on test 14, and gdb backtrace shows it appears to be blocked on IO.  It works
fine on F17, but fails on RHEL5.

I got two different results when I tried:

> Running ../../testsuite/systemtap.base/cmd_parse.exp ...
> PASS: cmd_parse1
> PASS: cmd_parse2
> PASS: cmd_parse3
> PASS: cmd_parse4
> PASS: cmd_parse5
> FAIL: cmd_parse6: unexpected EOF
> FAIL: cmd_parse7: unexpected EOF
> PASS: cmd_parse8
> PASS: cmd_parse9
> PASS: cmd_parse10
> PASS: cmd_parse11
> PASS: cmd_parse12
> PASS: cmd_parse13
> PASS: cmd_parse14
> KFAIL: cmd_parse15: eof (PRMS: 4186)
> PASS: cmd_parse16

> Running ../../testsuite/systemtap.base/cmd_parse.exp ...
> FAIL: cmd_parse1: unexpected EOF
> FAIL: cmd_parse2: unexpected EOF
> FAIL: cmd_parse3: unexpected EOF
> FAIL: cmd_parse4: unexpected EOF
> FAIL: cmd_parse5: unexpected EOF
> FAIL: cmd_parse6: unexpected EOF
> FAIL: cmd_parse7: unexpected EOF
> PASS: cmd_parse8
> PASS: cmd_parse9
> PASS: cmd_parse10
> PASS: cmd_parse11
> PASS: cmd_parse12
> PASS: cmd_parse13
> PASS: cmd_parse14
(hang)

I suspect that 'expect' is buffering output differently on F17 vs RHEL5, so
maybe the cmd_parse tests aren't consuming data properly.

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