rsyslog does not resume writing after a restart

Did a restart after a kernel update today and rsyslog did not resume writing to syslog. I have kludged a cron script to restart after logrotate which also fails to write. This has been going on for weeks.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: rsyslog 5.8.6-1ubuntu8
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Uname: Linux 3.2.0-27-generic x86_64
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
Date: Wed Jul 25 16:21:35 2012
InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 (20120424.1)
ProcEnviron:
 TERM=xterm
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: rsyslog
UpgradeStatus: No upgrade log present (probably fresh install)