Comment 22 for bug 1733557

I can confirm the same is also happening on my notebook.
Everything was fine up to about 2-3 weeks ago.

```
hendri@neptune: ~$ cat /etc/issue
Ubuntu 16.04.4 LTS \n \l
```

OS: Ubuntu 16.04.4 ... all up to date
Hardware:
 Gigabyte P15 Notebook
 - Graphics - nVidida GTX 950M + Intel (Dual graphics)
 - Processor - i7-7700HQ
 - HDD 1 - Standard 1 TB HDD
 - HDD 2 - 950 Evo m.2 SSD
 - 8GB mem
Graphics driver - nVidia 384.111

I reckon it has something to do with the nVidia Driver.