[Bug 455410] New: Massive error messages and interrupting reverting of multiple local changes

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https://bugzilla.redhat.com/show_bug.cgi?id=455410

           Summary: Massive error messages and interrupting reverting of
                    multiple local changes
           Product: Fedora
           Version: 9
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: low
         Component: perl-SVK
        AssignedTo: ianburrell(a)gmail.com
        ReportedBy: mail(a)frankwittig.de
         QAContact: extras-qa(a)fedoraproject.org
                CC: fedora-perl-devel-list(a)redhat.com


Description of problem:
When working with svk in Fedora 9 svk throws massive error messages that seem to
be mostly harmless. This is extremely annoying since it hides real issues the
user has to care about.

The messages are (repeated several dozen to hundred times):
- When updating checkout:
Name "swig_runtime_data::type_pointer3" used only once: possible typo at
/usr/lib/perl5/5.10.0/i386-linux-thread-multi/DynaLoader.pm line 226.
Attempt to free unreferenced scalar: SV 0x934d354, Perl interpreter: 0x88fb008
at /usr/lib/perl5/vendor_perl/5.10.0/SVK/XD.pm line 1371.

- When switching to a branch:
Attempt to free unreferenced scalar: SV 0xaecf30c, Perl interpreter: 0x9d3e008
at /usr/lib/perl5/vendor_perl/5.10.0/SVK/XD.pm line 856.
	(in cleanup) panic: free from wrong pool at
/usr/lib/perl5/vendor_perl/5.10.0/PerlIO/via/dynamic.pm line 167.
Attempt to free unreferenced scalar: SV 0xaebec84, Perl interpreter: 0x9d3e008
at /usr/lib/perl5/vendor_perl/5.10.0/SVK/Inspector/Root.pm line 82.


When reverting recursively the problem occurs that reverting fails leaving the
mirror locked. To completely revert its necessary to cleanup and revert several
times (again dozens to hundred - according to the number of affected files).

Error messages are the above mentioned plus:
- Last message when reverting fails:
Attempt to free unreferenced scalar: SV 0x8e03ef4, Perl interpreter: 0x81f4008
at /usr/lib/perl5/vendor_perl/5.10.0/SVK/XD.pm line 1371.

- When trying to revert again:
Name "swig_runtime_data::type_pointer3" used only once: possible typo at
/usr/lib/perl5/5.10.0/i386-linux-thread-multi/DynaLoader.pm line 226.
/automount/wwkdev/elias/wdp already locked, use 'svk cleanup' if lock is stalled

- Cleanup (looks ok besides the "usual" message):
Name "swig_runtime_data::type_pointer3" used only once: possible typo at
/usr/lib/perl5/5.10.0/i386-linux-thread-multi/DynaLoader.pm line 226.
Cleaned up stalled lock on /automount/wwkdev/elias/wdp.

Reverting again starts from the beginning. The user is able to reproduce until
his checkout is completely reverted.


Version-Release number of selected component (if applicable):
perl-SVK-2.0.2-3.fc9.noarch

How reproducible:
Error messages and failing reverting occurs every usage.

Steps to Reproduce (error message flood):
1. use svk

Steps to Reproduce (reverting):
1. checkout
2. merge branch with changes into checkout or alter multiple files
3. revert changes recursively
  
Actual results:
Massive flood of error messages as mentioned above.
Reverting multiple files interrupts.

Expected results:
No error messages.
Reverting not interrupting.

I noticed SVK is the same Version as in Fedora 8 - only perl version has
changed. So I assume it's an issue with perl-SVK in combination with perl 5.10.
I submitted this issue related to perl-SVK since it seems to only affect
perl-SVK so far (at least for my daily usage).

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

Please do not reply directly to this email. All additional
comments should be made in the comments box of this bug report.

Summary: Massive error messages and interrupting reverting of multiple local changes


https://bugzilla.redhat.com/show_bug.cgi?id=455410





------- Additional Comments From ianburrell(a)gmail.com  2008-07-15 17:19 EST -------
The "Name used only once" message is a warning.  It seems to come from loading
SVN::Core (from subversion-perl package).

The "Attempt to free unreferenced scalar" and the locking are more serious
errors.

I would suggest reporting the error upstream at
http://rt.cpan.org/Public/Dist/Display.html?Name=SVK.


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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

Please do not reply directly to this email. All additional
comments should be made in the comments box of this bug report.

Summary: Massive error messages and interrupting reverting of multiple local changes


https://bugzilla.redhat.com/show_bug.cgi?id=455410





------- Additional Comments From mail(a)frankwittig.de  2008-07-16 03:34 EST -------
Reported upstream: http://rt.cpan.org/Public/Bug/Display.html?id=37715

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=455410


Arkadiusz Miskiewicz <arekm(a)pld-linux.org&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |arekm(a)pld-linux.org




--- Comment #3 from Arkadiusz Miskiewicz <arekm(a)pld-linux.org&gt;  2008-08-10 04:34:57
EDT ---
"Attempt to free unreferenced scalar" is likely to be fixed by:
http://public.activestate.com/cgi-bin/perlbrowse/p/34025
as solution for bug http://rt.perl.org/rt3/Public/Bug/Display.html?id=54934

The other probably hapens with just subversion when doing make check-swig-pl
(don't have fedora to test but it happens on other distro):
../../../../../subversion/bindings/swig/perl/native/t/6ra..............Name
"swig_runtime_data::type_pointer3" used only once: possible typo at
/usr/lib64/perl5/5.10.0/x86_64-xyz-linux-thread-multi/DynaLoader.pm line 226.

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=455410


Stepan Kasal <skasal(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |skasal(a)redhat.com




--- Comment #4 from Stepan Kasal <skasal(a)redhat.com&gt;  2008-11-28 13:44:09 EDT ---
The other problem:

Name "swig_runtime_data::type_pointer3" used only once: possible typo at
/usr/lib/perl5/5.10.0/i386-linux-thread-multi/DynaLoader.pm line 226.

is files as bug #473407.

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=455410


Derek Atkins <warlord(a)mit.edu&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |warlord(a)mit.edu




--- Comment #5 from Derek Atkins <warlord(a)mit.edu&gt;  2009-01-14 10:16:17 EDT ---
Note that this is still a problem in Fedora 10.

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=455410





--- Comment #6 from Derek Atkins <warlord(a)mit.edu&gt;  2009-01-16 17:11:45 EDT ---
If the patch from comment #3 fixes this problem any chance we could see this in
F10?  And maybe an SVK rebuild for F10 too?

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=455410





--- Comment #7 from Ian Burrell <ianburrell(a)gmail.com&gt;  2009-01-16 17:29:59 EDT ---
Unfortunately, the patch in comment #3 that fixes perl bug #54934 is to
PerlIO::via which is in the perl package.  It will have to be applied there. 
It sounds like newer version of PerlIO::via::dynamic may have a workaround for
the bug in 5.10.0.

I will build the newest version of SVK.

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

Please do not reply directly to this email. All additional
comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=455410


Ian Burrell <ianburrell(a)gmail.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |480502




--- Comment #8 from Ian Burrell <ianburrell(a)gmail.com&gt;  2009-01-17 17:18:41 EDT ---
I added a bug (#480502) to the perl package to get the fix for PerlIO::via
applied on the main perl package.

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=455410





--- Comment #9 from Fedora Update System <updates(a)fedoraproject.org&gt;  2009-01-19
05:52:44 EDT ---
perl-5.10.0-53.fc10 has been submitted as an update for Fedora 10.
http://admin.fedoraproject.org/updates/perl-5.10.0-53.fc10

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=455410





--- Comment #10 from Derek Atkins <warlord(a)mit.edu&gt;  2009-01-19 17:21:33 EDT ---
Yep, this definitely fixes all the problems I was seeing, except the
"swig_runtime_data" warning.  But that's bug #473407.

I'll go mark some karma.

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

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--- Comment #11 from Fedora Update System <updates(a)fedoraproject.org&gt;  2009-01-21
16:39:11 EDT ---
perl-5.10.0-53.fc10 has been pushed to the Fedora 10 stable repository.  If
problems still persist, please make note of it in this bug report.

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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

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Fedora Update System <updates(a)fedoraproject.org&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |CLOSED
         Resolution|                            |NEXTRELEASE




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[Bug 455410] Massive error messages and interrupting reverting of multiple local changes

[Red Hat Bugzilla]

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Bug 455410 depends on bug 480502, which changed state.

Bug 480502 Summary: Fix "Attempt to free unreferenced scalar" errors in SVK and
PerlIO::via
https://bugzilla.redhat.com/show_bug.cgi?id=480502

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|ASSIGNED                    |CLOSED
         Resolution|                            |CURRENTRELEASE



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