On Thu, Mar 21, 2019 at 04:59:14PM +0100, Tobias Klausmann wrote:
> Hi,
> 
> just for your information and maybe for some help: with 5.1rc1 and SVM
> enabled i see the following backtrace [1] when the nouveau card (reverse
> prime) goes to sleep, for now i have papered over with [2] which leaves me
> with userspace hangs. Any pointers where to look for the actual culprit?
> 
> PS: Card is: nouveau 0000:01:00.0: NVIDIA GP106 (136000a1)
> 
> Greetings,
> 
> Tobias

Can you check if attached patch fix the issue ?

Cheers,
Jérôme