I have this problem as sell. X quits for now apparent reason and dumps me to the login screen (killing whatever was running).
ubuntu 15.10 on a Dell XPS 13 (9343)
Linux mash-XPS-13-9343 3.19.0-28-generic #30-Ubuntu SMP Mon Aug 31 15:52:51 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
I have this problem as sell. X quits for now apparent reason and dumps me to the login screen (killing whatever was running).
ubuntu 15.10 on a Dell XPS 13 (9343)
Linux mash-XPS-13-9343 3.19.0-28-generic #30-Ubuntu SMP Mon Aug 31 15:52:51 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux