Thread:Project:Support desk/User preferences won't save (no error)/reply (10)

I'm getting the same error on a fresh install on: Linux localhost.localdomain 2.6.32-279.14.1.el6.i686 #1 SMP Tue Nov 6 21:05:14 UTC 2012 i686 i686 i386 GNU/Linux
 * MediaWiki &mdash; 1.20.1
 * PHP &mdash; 5.3.3 (apache2handler)
 * MySQL	&mdash; 5.1.61
 * uname -a on my Centos 6.3 machine with SELinux disabled:

PHP throws this error: PHP Notice: Undefined property: DatabaseMysql::$mTrxDoneWrites in ...includes/db/Database.php on line 512