Hello Davide Prina, Thanks for your bug report. (Reply inline below.)
On Sat, Aug 04, 2018 at 08:59:29AM +0200, Davide Prina wrote: > Package: util-linux > Version: 2.32-0.1 > Severity: grave > Justification: renders package unusable > > Dear Maintainer, > > upgrading > * util-linux:amd64 (2.32-0.1, 2.32-0.3) > * login:amd64 (1:4.5-1, 1:4.5-1.1) > > do not let work anymore something like this: > > $ xhost +si:localuser:temp > $ su - temp You are right that the old su would copy over DISPLAY and XAUTHORITY environment variables, even when you tell it to give you a new clean environment. The util-linux implementation does what you tell it to do. > $ firefox & > Error: GDK_BACKEND does not match available displays The error message is a bit misleading. Please just try running this instead: DISPLAY=:0 firefox & > > downgrade this two packages (as I have done now before writing this bug > report) solve the problem > > If I mistake and this is a login package problem please reassign the bug. Please feel free to submit a merge request with a util-linux.NEWS entry addition mentioning the difference if you can come up with a nice user-understandable description. You might also want to file a minor bug report against firefox (upstream?) to give a less misleading error message. Regards, Andreas Henriksson
