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).
** Summary changed:
- gdm3 crashes after upgrade from bionic to focal but lightdm and sddm work fine
+ Can't log in using gdm3 [xf86OpenConsole: VT_ACTIVATE failed: Operation not
permitted] but lightdm and sddm work fine
** Changed in: gdm3 (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1891771
Title:
Can't log in using gdm3 [xf86OpenConsole: VT_ACTIVATE failed:
Operation not permitted] but lightdm and sddm work fine
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