May be its time to do sudo apt-get update and sudo apt-get upgrade for your Ubuntu?
I have newest Xubuntu version, man. Fully updated.
Have you restarted your Ubuntu to see if bitcoind and the P2Pool server startup again?
I just restarted p2pool. It's running fine so far on
http://lenny.dnsd.me:9332/static/Will see how it goes.
It is exactly what is happening with my node: bitcoin.breeba.com:3330
I deleted the data folder, restarted the server, after a while the error comes back and everything stales for few minutes. I don't know what to do.
Igor