Frequent lockups :(

[brian]

On Mon, 28 Mar 2016 20:27:20 -0400 (EDT), you wrote:

>On Mon, 28 Mar 2016, brian wrote:
>
>> Is there anybody else out there using Debian Jessie 64-bit and XFCE on
>> an AMD PC who, for the 3 or 4 days, has been seeing frequent lockups
>> of their PC? The crashes seem to occur when I'm using a browser, and
>> using Iceweasel is worse than using Chromium. [...]
>
>FWIW, I'm on Fedora with Xfce 4.12 and browsing with Firefox. And 
>recently I've had several lockups on certain complex websites (e.g. 
>the Guardian newspaper). Firefox is non-responsive and there seems 
>to be a huge memory drain. In my case it's not a complete crash -- 
>if I can navigate to a terminal and "killall firefox" I can at least 
>partly recover, though it seems to leave the system sluggish till 
>the next reboot.

I did try leaving the PC for an extended time (around 30 minutes) but
it was still non-responsive. There's no way for me to navigate
anywhere when it happens, neither keyboard nor mouse produce any
effect. 

Brian.