Similar issue (same as antti.palsola) on Lenovo ThinkPad T480s, Lenovo ThinkPad Thunderbolt 3 Dock and linux-image-4.15.0-44-generic. External monitors stop working after login in; work flawlessly under Windows 10 and with linux-image-4.15.0-43-generic.
Similar issue (same as antti.palsola) on Lenovo ThinkPad T480s, Lenovo ThinkPad Thunderbolt 3 Dock and linux-image- 4.15.0- 44-generic. External monitors stop working after login in; work flawlessly under Windows 10 and with linux-image- 4.15.0- 43-generic.
Related bug report: https:/ /bugs.launchpad .net/ubuntu/ +bug/1813763