I was so happy when the nouveau driver finally worked
on my nvidia maxwell card in fedora 24, but now after
about a week, this happened:
https://bugzilla.redhat.com/show_bug.cgi?id=1351286
Total screen freeze :-(.
At least it took as long as a week.
If it happens a lot, I may have to go back to
nvidia binaries (I hate the pain of installing them).
I got stripes all over the screen after a while and then a hard hang.
(nVIDIA Geforce 600)
The installer had similar problems.
I used the rpmfusion nvidia driver and it has been stable ever since.