Drupal Cron problems and potential fix
If cron keeps getting hung up and/or timing out:
From: Solving cron problems
drush vdel cron_semaphore drush vdel cron_last
Is one idea. Also look at the rest of the post above for more information.
If cron keeps getting hung up and/or timing out:
From: Solving cron problems
drush vdel cron_semaphore drush vdel cron_last
Is one idea. Also look at the rest of the post above for more information.