[Bug testsuite/21211] New: testsuite stalls on server tests in parallel testing mode

[Bug testsuite/21211] New: testsuite stalls on server tests in parallel testing mode

[mcermak at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21211

            Bug ID: 21211
           Summary: testsuite stalls on server tests in parallel testing
                    mode
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: systemtap at sourceware dot org
          Reporter: mcermak at redhat dot com
  Target Milestone: ---

I've run the testsuite in parallel mode couple times (make -j5
installcheck-parallel) on various arches/rhel releases and in many cases I
observed a hang in server tests.  Something like this (observed after couple of
hours after executing the testsuite):

=======
# pwd
/root/build/testsuite/artifacts
# for i in `find . -type f -name '*.log'`; do grep -q 'testcase.*completed
in.*seconds' $i || echo $i; done
./systemtap.server/server/server.log
./systemtap.server/server_req_size/server.log
./systemtap.server/server_concurrency/server.log
# 
=======

In most cases, 'make' sits waiting at a pipe read, and no 'stap' process seems
to be running - except one of the testing boxes, where I additionally saw this:

=======
# ps ax | fgrep stap
  801 pts/0    Sl+    0:01 /usr/local/libexec/systemtap/stap-serverd
--log=/root/build/testsuite/artifacts/systemtap.server/server/server.log
17456 pts/1    S+     0:00 fgrep stap
#
=======

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[Bug testsuite/21211] testsuite stalls on server tests in parallel testing mode

[mcermak at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21211

--- Comment #1 from Martin Cermak <mcermak at redhat dot com> ---
Saw this today again on 11 out of 15 rhel-7.4 test boxes.  All the supported
arches.

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[Bug testsuite/21211] testsuite stalls on server tests in parallel testing mode

[mcermak at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21211

Martin Cermak <mcermak at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #2 from Martin Cermak <mcermak at redhat dot com> ---
Oh my; Mentioned logs are irrelevant. Closing.

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