I am also affected.
64-bit architecture. It happens in both fresh install and upgrade to 12.04.
it can happen in different apps: Firefox, geany and others.
I am usually sent back to the login screen without any prior notice but on some occasions the screen freezes and only the mouse stays responsive, but of course those two behaviours could be unrelated.
I am also affected.
64-bit architecture. It happens in both fresh install and upgrade to 12.04.
it can happen in different apps: Firefox, geany and others.
I am usually sent back to the login screen without any prior notice but on some occasions the screen freezes and only the mouse stays responsive, but of course those two behaviours could be unrelated.
bug#990693 could be a duplicate.