RE: Memory corruption with Perl (DBD::Oracle)

Seems this may be an 11g issue and not a perl/DBI/DBD issuse
 
Have you applied all the patches for 11to the 11g DB??
 
Cheers
John Scoles
 
> Date: Fri, 19 Nov 2010 18:06:21 +0100
> From: [email protected]
> To: [email protected]
> Subject: Memory corruption with Perl (DBD::Oracle)
> 
> Hi,
> 
> Our (standalone) Perl scripts often encounter memory corruptions after a migration on RHEL5.5 (Perl 5.8.8) with Oracle 
> client 11.1.0 and DBD-Oracle-1.26.
> Some Oracle core dumps are present in the Oracle client directory ../incident/incdir_... with the generic error code 
> "oci-24550".
> 
> We had done before a compilation directly on Oracle libraries with perl Makefile.PL -l.
> After an installation of Oracle Database 11g Examples and a standard compilation the problems remain the same.
> The service task stops once or twice a day with an error message like 'Attempt to free unreferenced scalar'.
> 
> Once, a debug session session showed corruption on an undef array :
> main::(script.pl:73): undef @tache;
> DB<3> x @tache
> 0 '($@, $!, $^E, $,, $/, $\\, $^W) = @saved;package main; $^D = $^D | $DB::db_stop;
> @tache;
> 
> ;'
> DB<4> n
> Attempt to free unreferenced scalar: SV 0x8b34580, Perl interpreter: 0x83b8008 at script.pl line 73.
> 
> The problem doesn't seem to appear with Apache mod_perl.
> 
> Did anyone encounter similar issues or has an idea what is going wrong here?
> Tell me what complementary information I can provide.