Comment 15 for bug 966451

Same happened to me on upgrade from Xubuntu 12.10 amd64 to 13.04.

But my screensaver was *disabled*. I don't see how this should happen.

I got this message:

"Cofiguring libc6

"One or more running instances of xscreensaver or xlockmore have been detected on this system. Because of incompatible library changes, the upgrade of the GNU libc library will leave you unable to authenticate to these programs. You should arrange for these programs to be restarted or stopped before continuing this upgrade, to avoid locking your users out of their current sessions."

I had been using xscreensaver but it has been disabled for some time. It does, however, appear to be running:

ps -ax | grep xscreensaver

1978 ? S 0:03 xscreensaver -no-splash

Shouldn't it be switched off?