How to investigate system hangs?

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I am running wheezy. It worked perfectly for a year or two. But yesterday (and today again) my system got deadlocked. I'm not sure where to look for causes. Both events went like this: * I open the lid, the system resumes * I enter the password, I get

Re: Random crashes that won't allow rebooting easily

On 04/18/2013 07:41 AM, Bill Harris wrote: I'm running an up-to-date Debian Squeeze 64-bit on a laptop. It's usually been stable, as I might expect from Debian Stable. From time to time, though, it freezes at seemingly random times. I notice it mostly when I'm typing and the keyboard stops res