Comment 63 for bug 1809407

I've had this issue in the past on Ubuntu 18.04 with the NVidia 340.x driver series. Two days ago with driver 340.107 and the latest released system updates, the lockscreen wallpaper corrupted for about 2 seconds on resume from suspend, then the wallpaper reloaded, appearing fine. In the past, the lockscreen wallpaper would remain corrupted for at least a minute (presumably indefinitely, but I didn't wait to find out).

This issue might be somehow fixed, but I'll keep a look out to see if it happens again and stays corrupted for longer than a minute.