The following sample apps tests started failing when using the PartialStateSavings disabled:

1) Component-showcase (all browsers):
Panel - Dynamic Tabset - Server Internal Error on tab switch:

Oct 1, 2012 1:36:12 PM com.sun.faces.application.view.FaceletViewHandlingStrategy handleRenderException
SEVERE: Error Rendering View[/showcase.xhtml]
java.lang.IllegalStateException: Component ID iceform:icePnlTbSet:0 has already been found in the view.
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:832)
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:816)
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:816)

This test started failing after switching from 3.0.x-maintenance branch to IF3/trunk.

2) Showcase - CheckBox Button:
When the checkboxButton is unselected, reselecting the checkboxButton causes Network Connection Interrupted message.
Server side errors:
1-Oct-2012 1:05:32 PM com.sun.faces.application.view.FaceletViewHandlingStrategy handleRenderException
SEVERE: Error Rendering View[/showcase.xhtml]
java.lang.IllegalStateException: Component ID frm:menuLinks has already been found in the view.
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:832)
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:816)
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:816)
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:816)
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:816)
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:816)
    at com.sun.faces.util.Util.checkIdUniqueness(Util.java:816)

This test started failing after switching from 3.0.x-maintenance branch to IF3/trunk.

3) Showcase:
3.1) DataTable - Grouping - Network Connection Interrupted message when sorting, server error:
1-Oct-2012 1:17:19 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [Faces Servlet] in context with path [/showcase] threw exception
java.lang.IllegalStateException: CDATA tags may not nest
    at com.sun.faces.renderkit.html_basic.HtmlResponseWriter.startCDATA(HtmlResponseWriter.java:664)
    at javax.faces.context.ResponseWriterWrapper.startCDATA(ResponseWriterWrapper.java:172)
    at javax.faces.context.PartialResponseWriter.startError(PartialResponseWriter.java:342)
    ..........

3.2) DataTable - Multi Row Header: Network Connection Interrupted message when sorting, same server errors as above.

3.3) DataTable - Row Expansion: Network Connection Interrupted message when sorting, same server errors as above.

3.4) DataTable - Table Configuration: Sorting in the table, and renaming columns in configurator not working, Network Connection Interrupted popup message when saving changes in the configurator, similar errors visible in Tomcat log.

All these dataTable failures started to occur after upgrading to Mojarra 2.1.13-PATCH on the trunk; last successful revision was #30870.