Installing the snap from Krita's website, and using the 361 driver from proposed works fine here. See the attached screenshot.
** Attachment added: "screenshot" https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/+bug/1588192/+attachment/4677998/+files/krita_works.png -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-304 in Ubuntu. https://bugs.launchpad.net/bugs/1588192 Title: GL interfaces seem wedged for Krita on nvidia To manage notifications about this bug go to: https://bugs.launchpad.net/snappy/+bug/1588192/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp