Not sure why, logins worked prior but not after my upgrade. I just get a blank page after the password is entered, turning on the debugger shows this.
Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /var/www/mysite/seopanel/config/sp-config.php:53) in /var/www/mysite/seopanel/libs/captcha.class.php on line 46
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /var/www/mysite/seopanel/config/sp-config.php:53) in /var/www/mysite/seopanel/libs/captcha.class.php on line 46
Warning: Cannot modify header information - headers already sent by (output started at /var/www/mysite/seopanel/config/sp-config.php:53) in /var/www/mysite/seopanel/includes/sp-common.php on line 41
A problem with Suhosin PHP security perhaps?