http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=668739
After upgrading to wheezy, PHP will produce error like this (in web
server's log, on PHP command line, in mail from Cron Daemon...),
if php5-suhosin was installed in squeeze before the upgrade.
(中略)
The release notes should document that the user should:
dpkg -P php5-suhosin
めも、様子見