Bus error: 10 (core dumped)

[Anton Berezin]

Helmut,

Would it be possible to see the complete, preferably as minimalistic as
possible, script which can reproduce the problem?

Off-list, if you prefer.

\Anton.

On Wed, Nov 11, 2009 at 02:25:46PM +0100, Helmut Schneider wrote:

> running FreBSD 7.2 amd64 I have a small perl script that queries LDAP 
> attributes using Net::LDAP(S). I query a source and after that a 
> destination.
> 
> I decided to give threads a chance so I recompiled perl 5.8 to use threads. 
> I also recompiled everything depending on perl (at least what pkg_info -R 
> perl-5.8.9_3) reported.
> 
> The thread itself runs fine using "my $srcThread = threads->create()", but 
> as soon as I commit it using "$srcThread->join();" perl cores. It's only
> 
> my $srcThread = threads->create($mySub, "param1, param2, ...)
> $srcThread->join();
> 
> nothing in between.
> 
> (gdb) bt
> #0  0x0000000800d36b7e in free () from /lib/libc.so.7
> #1  0x00000008036bf79d in CRYPTO_free () from /lib/libcrypto.so.5
> #2  0x000000080366b6d7 in sk_free () from /lib/libcrypto.so.5
> #3  0x00000008036407ca in X509_VERIFY_PARAM_table_cleanup () from 
> /lib/libcrypto.so.5
> #4  0x0000000803640b09 in X509_VERIFY_PARAM_free () from /lib/libcrypto.so.5
> #5  0x000000080347d903 in SSL_free () from /usr/lib/libssl.so.5
> #6  0x000000080333f6a8 in XS_Net__SSLeay_free (my_perl=Variable "my_perl" is 
> not available.
> ) at SSLeay.c:1177
> #7  0x00000008006c2f87 in Perl_pp_entersub () from 
> /usr/local/lib/perl5/5.8.9/mach/CORE/libperl.so
> #8  0x00000008006c16fe in Perl_runops_standard () from 
> /usr/local/lib/perl5/5.8.9/mach/CORE/libperl.so
> #9  0x00000008006bc70b in Perl_call_sv () from 
> /usr/local/lib/perl5/5.8.9/mach/CORE/libperl.so
> #10 0x00000008006ce6d3 in Perl_sv_clear () from 
> /usr/local/lib/perl5/5.8.9/mach/CORE/libperl.so
> #11 0x00000008006ceeae in Perl_sv_free () from 
> /usr/local/lib/perl5/5.8.9/mach/CORE/libperl.so
> #12 0x00000008006ca7c9 in S_visit () from 
> /usr/local/lib/perl5/5.8.9/mach/CORE/libperl.so
> #13 0x00000008006ca821 in Perl_sv_clean_objs () from 
> /usr/local/lib/perl5/5.8.9/mach/CORE/libperl.so
> #14 0x00000008006c0bc8 in perl_destruct () from 
> /usr/local/lib/perl5/5.8.9/mach/CORE/libperl.so
> #15 0x0000000000400c66 in main ()
> (gdb)
> 
> I'm not sure what to do next, where to report that problem. I'm no expert in 
> coding (neither C nor Perl) but as far as I read by now Perl should *never* 
> core.
> 
> Thanks, Helmut 
> 
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