On Wed, Nov 14, 2018 at 2:29 PM Rex Dieter <rdieter@gmail.com> wrote:
Fulko Hew wrote:

> I Just started following this thread because I think I might be
> experiencing this myself.  Except I'm still back on F26.
> And in my case, I don't have any NFS mounts.
> My symptoms and usage are the same as you described in your last
> paragraph above.
> For me it happens randomly about once a week now.
> ISTR this started about 2 months ago ???
> I haven't pursued it, but: killall plasmashell; kstart plasmashell;
> resolves it.  Next time it happens (hasn't happened in the last 3 days)
> I'll let it sit, and see if it un-freezes.

I'd encourage you to try to get a backgrace out of the deadlocked
plasmashell as mentioned elsewhere in this thread.

With NFS out of the picture, your cause is very likely different.  (and I
can offer an educated guess based on experience: video driver deadlocks

OK. I'll try it next time it happens.