OSX – show environment vars of a running process

jenkins$ ps -wwE -p 38654 PID TTY TIME CMD 38654 ?? 67:40.42 /usr/bin/java -Dcom.sun.management.jmxremote -Xmx2048m -XX:MaxPermSize=512m -jar /Application /Jenkins/jenkins.war SHELL=/bin/bash TMPDIR=/var/folders/5f/qnywwqmx3h5fxnwlcssp2sr00000gn/T/ USER=jenkins __CF...

Ubuntu 12.04 boots to shell after icky update. Discuss.

I started up my Ubuntu 12.04 VM in VMWare Workstation 6. It has been a while, so some update messages popped up. Sure. Afterwards, it rebooted and hung there. I should have left it; I force shutdowned and restarted. Now we are at a shell, where I can login, but nought...