On 23 March 2017 at 09:51, Mark Rogers mark@more-solutions.co.uk wrote:
So it's definitely something I'll check out if it fails again (it didn't fail overnight, but that means nothing).
It's the best part of a week since that last comment, and I've been out of the office for most of it. I came back in today and the PC was still running fine.
I'll update if I see the problem again but for the sake of the archives it otherwise looks like in this case it was the nouveau driver causing the issue, and replacing it with the nVidia proprietary driver has fixed it.