Bug 1504009

Summary: undefined reference to `python_function__return_semaphore' with latest systemtap 3.2
Product: [Fedora] Fedora Reporter: Charalampos Stratakis <cstratak>
Component: systemtapAssignee: Frank Ch. Eigler <fche>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: rawhideCC: brolley, dsmith, fche, ishcherb, jistone, lberk, mjw, scox, wcohen
Target Milestone: ---Keywords: Reopened
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: systemtap-3.2-2.fc26 systemtap-3.2-2.fc25 systemtap-3.2-2.fc27 Doc Type: If docs needed, set a value
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Clone Of: Environment:
Last Closed: 2017-11-01 00:06:28 UTC Type: Bug
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Charalampos Stratakis 2017-10-19 09:47:14 UTC
Building python2 in rawhide (and I presume also for the rest of Fedora branches when updates reach stable), is failing with the latest systemtap with this error:

./libpython2.7_d.so: undefined reference to `python_function__return_semaphore'
./libpython2.7_d.so: undefined reference to `python_function__entry_semaphore'

Full log: https://kojipkgs.fedoraproject.org//work/tasks/3236/22543236/build.log


The issue seems to be similar to bug 711427 however in the current case it seems to affect all the archs.

Comment 1 Charalampos Stratakis 2017-10-19 18:17:42 UTC
Managed to bisect the issue down to that commit [0].

The patch that adds systemtap support for python2: [1]

The problem seems to be that the command 'dtrace -G -o /dev/null -s $srcdir/Include/pydtrace.d 2>/dev/null' is not successful.

[0] https://sourceware.org/git/gitweb.cgi?p=systemtap.git;a=commit;h=c245153ca193c471a8c8a2650834dc2f0b801bc1
[1] https://src.fedoraproject.org/rpms/python2/blob/master/f/00055-systemtap.patch

Comment 2 Frank Ch. Eigler 2017-10-19 18:56:56 UTC
Ah interesting.  The main effect of that patch to put the temporary file into the invoking directory rather than under /tmp.  ... and since the new file name is -fixed-, two concurrent copies of dtrace -G could fight over it.  Bummer.

We can't seem to reproduce the failure on this side yet.  Maybe it'd help if the python2 configure took out the 2>/dev/null bit, so as to see errors again.

Comment 3 Iryna Shcherbina 2017-10-20 13:09:05 UTC
If you redirect the error to a file, e.g:

> if dtrace -G -o /dev/null -s $srcdir/Include/pydtrace.d 2>filename1.txt


then you can see the error:

Traceback (most recent call last):
  File "/usr/bin/dtrace", line 441, in <module>
    sys.exit(main())
  File "/usr/bin/dtrace", line 414, in main
    fdesc = open(fname, mode='w')
PermissionError: [Errno 13] Permission denied: '/dev/null.dtrace-temp.c'

Comment 4 Frank Ch. Eigler 2017-10-20 13:17:00 UTC
That does explain it fully, thanks Iryna.

Comment 5 Frank Ch. Eigler 2017-10-20 14:10:12 UTC
systemtap-3.2-2.fc28 incoming
Will backport fix to the newer fedora respins too.

Comment 6 Charalampos Stratakis 2017-10-20 14:10:58 UTC
Thanks a lot Frank for addressing this!

Comment 7 Fedora Update System 2017-10-22 17:19:04 UTC
systemtap-3.2-2.fc25 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2017-01f2973345

Comment 8 Fedora Update System 2017-10-22 17:19:34 UTC
systemtap-3.2-2.fc26 has been submitted as an update to Fedora 26. https://bodhi.fedoraproject.org/updates/FEDORA-2017-dce5fba9d7

Comment 9 Fedora Update System 2017-10-22 17:20:24 UTC
systemtap-3.2-2.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2017-d565a535ec

Comment 10 Fedora Update System 2017-10-23 00:51:40 UTC
systemtap-3.2-2.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-d565a535ec

Comment 11 Fedora Update System 2017-10-23 23:21:09 UTC
systemtap-3.2-2.fc26 has been pushed to the Fedora 26 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-dce5fba9d7

Comment 12 Fedora Update System 2017-10-23 23:49:36 UTC
systemtap-3.2-2.fc25 has been pushed to the Fedora 25 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-01f2973345

Comment 13 Fedora Update System 2017-11-01 00:06:28 UTC
systemtap-3.2-2.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.

Comment 14 Fedora Update System 2017-11-01 16:42:24 UTC
systemtap-3.2-2.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.

Comment 15 Fedora Update System 2017-11-11 03:01:07 UTC
systemtap-3.2-2.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.