Oracle VirtualBox 5.0.x - Segmentation Fault in PERL

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Yesterday and the day before I've exchanged several emails with Ana who downloaded our Hands-On-Lab from here:

Hands On Lab

Upgrade, Migrate, Consolidate to 12c

after OOW15, encountering a SEGMENTATION FAULT when trying to start the database upgrade with catctl.pl :

$ $ORACLE_HOME/perl/bin/perl catctl.pl catupgrd.sql

Segmentation fault

Very strange thing ...

The database is in upgrade mode (checked this in the alert.log) and there are no strange things mentioned anywhere. Plus hundreds of people have run and completed our lab so far.

Tue Nov 10 20:39:47 2015

MMON started with pid=21, OS id=9828

Starting background process MMNL

Tue Nov 10 20:39:47 2015

MMNL started with pid=22, OS id=9832

Stopping Emon pool

Tue Nov 10 20:39:47 2015

ALTER SYSTEM enable restricted session;

Tue Nov 10 20:39:47 2015

ALTER SYSTEM SET _system_trig_enabled=FALSE SCOPE=MEMORY;

Autotune of undo retention is turned off.

Tue Nov 10 20:39:47 2015

ALTER SYSTEM SET _undo_autotune=FALSE SCOPE=MEMORY;

Tue Nov 10 20:39:47 2015

ALTER SYSTEM SET undo_retention=900 SCOPE=MEMORY;

Tue Nov 10 20:39:47 2015

ALTER SYSTEM SET aq_tm_processes=0 SCOPE=MEMORY;

Tue Nov 10 20:39:47 2015

ALTER SYSTEM SET enable_ddl_logging=FALSE SCOPE=MEMORY;

Resource Manager disabled during database migration: plan '' not set

Tue Nov 10 20:39:47 2015

ALTER SYSTEM SET resource_manager_plan= SCOPE=MEMORY;

Tue Nov 10 20:39:47 2015

ALTER SYSTEM SET recyclebin='OFF' DEFERRED SCOPE=MEMORY;

Resource Manager disabled during database migration

replication_dependency_tracking turned off (no async multimaster replication found)

AQ Processes can not start in restrict mode

Starting background process CJQ0

Tue Nov 10 20:39:47 2015

CJQ0 started with pid=27, OS id=9836

Completed: ALTER DATABASE OPEN MIGRATE

We checked several other things - and then I came across this tweet by Martin Klier yesterday:

and started to search a bit .

I have no 100% proof for the actual reason but several people seem to have issues with SEGMENTATION FAULT s in Oracle's PERL ( $ORACLE_HOME/perl/bin/perl ) when using Oracle VirtualBox 5.0.x - and according to VitualBox Forum that seems to happen with the most recent VBox 5.0.10 as well .

The "funny" thing is that all works perfectly well in VBox 4.3.x ...

It reminds me a lot on the reoccuring VBox bug with my German keyboard not allowing me to type in the | ( pipe ) character which requires to press " ALT GR " + " < " keys together.

--Mike

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