I am also affected by this bug on my ThinkPad T440.
- Bug#897631: Kernel update breaks GDM silvio . sabo
- Bug#897631: Kernel update breaks GDM Yannick Ihmels
- Bug#897631: Kernel update breaks GDM Ben Hutchings
- Bug#897631: Kernel update breaks GDM Yannick Ihmels
- Processed: Re: Kernel update breaks GDM Debian Bug Tracking System
- Bug#897631: [Fwd: Re: Kernel update breaks... Ben Hutchings
- Bug#897631: Wiggling works! Magnus Wallin
- Bug#897631: marked as done (Kernel update ... Debian Bug Tracking System