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Perl Error Attempt To Free Unreferenced Scalar Sv

How to do \widthof with a symbol Can a bike computer be used on the rear wheel? DEBPKG:debian/cpanplus_config_path - Save local versions of CPANPLUS::Config::System into /etc/perl. This indicates that some code is holding a pointer it thinks is valid, but isn't. My limited understanding is that the CV pointer needs its refcount incremented along with the GvCV_set() call. http://setiweb.org/perl-error/perl-error-attempt-to-free-unreferenced-scalar.php

This is indicative of some kind of bug in some XS code you have called; possibly indirectly several layers down. Keep it simple 2. Perl knows nothing about your intentions and happily decrements the refcount on the new resident of your favorite slot of memory. Attempt to free unreferenced scalar: SV 0x7f9c0c2ba028, Perl interpreter: 0x7f9c0c1a2dd0 during global destruction. this

How to explain the existence of just one religion? Dlugosz (Monsignor) on Feb 23, 2004 at 04:26UTC I tried without the return keyword before posting, and the results were the same. If you have further comments please address them to [email protected], and the maintainer will reopen the bug report if appropriate. Usually, we use just the number one.

Copy sent to Debian Perl Group . (Mon, 13 Feb 2012 18:51:03 GMT) Full text and rfc822 format available. Jun 25 '14 at 23:46 This question has been asked before and already has an answer. See the attached proposed > > patch which fixes this for me (but feel free to tell me if I got it all > > wrong :) > > Here's another Just to put it all the tools together, this is how I built my perl in the end: (the -Dcc and -Dld settings allow me to use ccache with gcc for

Thanks in advance :) –napster Jun 25 '14 at 5:34 1 Unfortunately the SV has already been deleted by the time that address is printed; that's the whole problem. After upgrading perl to 5.14 mod-perl began complain: $ sudo invoke-rc.d apache2 reload Reloading web server config: apache2Attempt to free unreferenced scalar: SV 0x7f9c0c34e680, Perl interpreter: 0x7f9c0c1a2dd0 during global destruction. As soon as this refcount reaches zero, Perl frees the memory associated with that SV and in turn decrements the refcounts on all other SVs that the soon-to-be-ex-SV holds a reference http://stackoverflow.com/questions/24382541/what-is-this-error-attempt-to-free-unreferenced-scalar For strict/warnings, I want them turned on at the earliest oppertunity.[reply] Re: Attempt to free unreferenced scalar by monachos (Initiate) on Mar 29, 2007 at 09:18UTC Hi, this is new territory

John M. We're also seeing this in Debian now that we've switched to Perl 5.14, (see http://bugs.debian.org/650675 [cc'd.]) I managed to cut the problem down to the small attached program, which embeds perl my $thread=threads->create("forthread", ($argument)); $thread->join(); exit(0); [download] If I attempt to run this pair of files: ## test.pl use threads; use Testit; my $argument=1; my $thread=threads->create( 'forthread', ($argument)); $thread->join(); exit(0); ## Testit.pm FWIW, others are seeing this too: http://article.gmane.org/gmane.comp.apache.mod-perl.devel/9928 -- Niko Tyni [email protected] Information forwarded to [email protected], Debian Perl Group : Bug#650675; Package libapache2-mod-perl2. (Wed, 14 Dec 2011 21:33:06 GMT) Full text and

Dominic Hargreaves (supplier of updated libapache2-mod-perl2 package) (This message was generated automatically at their request; if you believe that there is a problem with it please contact the archive administrators node historyNode Type: perlquestion [id://330893]Approved by jweedhelp Chatterbox? and all is quiet... The next steps of getting to the bottom of that involve the -DDEBUG_LEAKING_SCALARS, -DDEBUG_LEAKING_SCALARS_FORK_DUMP, and -DDEBUG_LEAKING_SCALARS_ABORT Configure options. Work with us Visit our site Share this post Get in touch Twitter Facebook LinkedIn Dribbble The Dreaded "Attempt to free unreferenced scalar" Steffen Müller Fri 21 June 2013 Every single

Oboukhov" : Bug acknowledged by developer. (Sat, 14 Jan 2012 19:21:17 GMT) Full text and rfc822 format available. check over here Oboukhov" Date: Thu, 1 Dec 2011 19:39:01 UTC Severity: normal Found in version libapache2-mod-perl2/2.0.5-4 Fixed in version libapache2-mod-perl2/2.0.5-5 Done: Dominic Hargreaves Bug is archived. I've been trying to get patches through to the mod-perl dev list with no success; there seems to be something broken with the list moderation. (I'd be happy to provide message-ids I'm running Perl 5.8.3, Activestate build 809. —JohnComment on Attempt to free unreferenced scalarSelect or Download Code Replies are listed 'Best First'.

However, newer modules and features may have been written by authors who never used this feature, and so their code does not cater for it. Summary of my perl5 (revision 5 version 8 subversion 6) configuration: Platform: osname=solaris, osvers=2.9, archname=sun4-solaris uname='sunos suttles 5.9 generic_112233-05 sun4u sparc sunw,sun-blade-1000 ' config_args='-ds -e -Dprefix=/usr/local' hint=recommended, useposix=true, d_sigaction=define usethreads=undef use5005threads=undef So, is this a problem of my script or a bug? http://setiweb.org/perl-error/perl-error-in-option-spec-scalar.php warning message?

Reply sent to Dominic Hargreaves : You have taken responsibility. (Sat, 14 Jan 2012 19:21:17 GMT) Full text and rfc822 format available. But yeah, it's probably good enough to try out in unstable. -- Niko Tyni [email protected] Information forwarded to [email protected], Debian Perl Group : Bug#650675; Package libapache2-mod-perl2. (Sat, 07 Jan 2012 06:57:05 The scheme is broken twofold: For once, the above action at a distance with memory reuse already means that perfectly valid code can contain the invalid access.

Hmmmm.

Message #53 received at [email protected] (full text, mbox, reply): From: [email protected] To: [email protected], [email protected] Subject: Pending fixes for bugs in the libapache2-mod-perl2 package Date: Sat, 14 Jan 2012 18:51:34 +0000 tag Our team of designers, developers, database engineers & Sysadmins solve complicated problems at huge scale. Hi, what code are you loading? See the comments below: package test; require Exporter; our @ISA =qw(Exporter); our @EXPORT =qw(queuereader); ## You are exporting "queuereader" our @VERSION =1.0; sub forthread{ ## Not the forthread function that is

Attempt to free unreferenced scalar: SV 0x7b7e700, Perl interpreter: 0x7b4cfb0 during global destruction. I guess I'll have to try something else, probably the [email protected] list. Rinse-repeat until you manage to corrupt memory and warn about it before Perl gets a chance to reuse the memory. http://setiweb.org/perl-error/perl-error-free-to-wrong-pool.php Attempt to free unreferenced scalar: SV 0x7b7ec30, Perl interpreter: 0x7b4cfb0 during global destruction.

Copy sent to Debian Perl Group . (Sat, 11 Feb 2012 17:51:03 GMT) Full text and rfc822 format available. Environment Red Hat Enterprise Linux 5.4 perl-5.8.8-28.el5 Issue Joining or undefining a thread variable (using undef) in a perl program results in an internal perl error: Attempt to free unreferenced scalar: share|improve this answer edited Jul 7 '14 at 19:52 answered Jul 7 '14 at 19:42 ikegami 203k7133310 Is there a scenario where the error can occur without inlined C This fixes all the remaining 24 > warnings in t/logs/error_log after running the whole test suite.

Copy sent to Debian Perl Group . (Tue, 14 Feb 2012 04:57:03 GMT) Full text and rfc822 format available. Okay, thanks. > > I've verified that those still get emitted with 2.0.6 RC1. It looks like a bug in perl - normal code should never free unreferenced scalars or leak - but if your code tries hard enough you might run into problems :-) Date: Sun, 4 Dec 2011 21:48:13 +0200 On Sun, Dec 04, 2011 at 07:43:23PM +0200, Niko Tyni wrote: > On Sun, Dec 04, 2011 at 07:31:50PM +0400, Dmitry E.

I should have given credit to start with. –Ted Hopp Jul 27 '11 at 18:56 I'm 99.9% certain we don't use threads in our code. No further changes may be made. by Joost (Canon) on Mar 31, 2007 at 00:12UTC You should be careful about naming modules B - there's a core module named B and depending on how you set up We're also seeing this in Debian now that we've switched to Perl 5.14, (see http://bugs.debian.org/650675 [cc'd.]) I managed to cut the problem down to the small attached program, which embeds perl

Could you please consider these patches for 2.0.6, or let me know if I've got it all wrong. DEBPKG:debian/ld_run_path - Remove standard libs from LD_RUN_PATH as per Debian policy. Oboukhov wrote: > >> Package: libapache2-mod-perl2 > >> Version: 2.0.5-4+b1 > > >> After upgrading perl to 5.14 mod-perl began complain: > > >> $ sudo invoke-rc.d apache2 reload > >> Oboukhov" To: Niko Tyni Cc: [email protected] Subject: Re: Bug#650675: perl errors: Attempt to free unreferenced scalar...

Copy sent to Debian Perl Group . (Sun, 04 Dec 2011 17:45:03 GMT) Full text and rfc822 format available. The St. Alas, those are left in blissful unawareness of the pending doom by invalid memory access. To make it easier pick up on the suspected refcount issues, we can piggy-back on an option intended for the Purify tool: -Accflags=-DPURIFY (read: add "-DPURIFY" to the C compiler options).

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