Could you try to reproduce this with the current Zope 2.12 SVN branch. Godefroid fixed LP143531 which gives broken objects access to their state (it's reusing the ZODB.broken implementation now).
Could you try to reproduce this with the current Zope 2.12 SVN branch. Godefroid fixed LP143531 which gives broken objects access to their state (it's reusing the ZODB.broken implementation now).