I think it has to do with some kind of global locking/racing conditions. The current version of LastPass is a big culprit, I've had it lock up nightly for >30s

I think it has to do with some kind of global locking/racing conditions. The current version of LastPass is a big culprit, I've had it lock up nightly for >30s some times. They have a beta version that is e10s compatible which doesn't have this problem.