Ubuntu
gdm3 package

  1. Bug #1891771
  2. Comment #4

Comment 4 for bug 1891771

Revision history for this message
Daniel van Vugt (vanvugt) wrote : Re: gdm3 crashes after upgrade from bionic to focal but lightdm and sddm work fine

Thanks. The crash then would be:

https://errors.ubuntu.com/oops/434241b4-de4d-11ea-af75-fa163ee63de6

which has no backtrace :(

And then this Xorg error occurs, which explains why you can't log in:

ago 14 18:43:07 vyger /usr/lib/gdm3/gdm-x-session[3755]: (WW) xf86OpenConsole: VT_ACTIVATE failed: Operation not permitted
ago 14 18:43:07 vyger /usr/lib/gdm3/gdm-x-session[3755]: (EE)
ago 14 18:43:07 vyger /usr/lib/gdm3/gdm-x-session[3755]: Fatal server error:
ago 14 18:43:07 vyger /usr/lib/gdm3/gdm-x-session[3755]: (EE) xf86OpenConsole: Switching VT failed
ago 14 18:43:07 vyger /usr/lib/gdm3/gdm-x-session[3755]: (EE)
ago 14 18:43:07 vyger /usr/lib/gdm3/gdm-x-session[3755]: (EE)

The display manager is meant to provide that privilege (I think).