This is https://gitlab.gnome.org/GNOME/glib/-/issues/2332
On Thu, 2021-02-18 at 10:57 +0100, Michael Ott wrote: > Package: libglib2.0-0 > Version: 2.67.4-1 > Severity: important > > Dear Maintainer, > > After update to 2.67.4 I cannot start GDM > > Output in syslog: > Feb 18 05:14:25 k-c13 gnome-shell[2055]: invalid (NULL) pointer > instance > Feb 18 05:14:25 k-c13 gnome-shell[2055]: g_signal_connect_data: > assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed > > with 2.67.3+git20210214-1 it works > > -- System Information: > Debian Release: bullseye/sid > APT prefers unstable > APT policy: (710, 'unstable'), (670, 'testing'), (660, > 'experimental'), (600, 'stable') > Architecture: amd64 (x86_64) > Foreign Architectures: i386, armhf, arm64 > > Kernel: Linux 5.10.0-3-amd64 (SMP w/8 CPU threads) > Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE > Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), > LANGUAGE=en_GB:en > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > LSM: AppArmor: enabled > > Versions of packages libglib2.0-0 depends on: > ii libc6 2.31-9 > ii libffi7 3.3-5 > ii libmount1 2.36.1-7 > ii libpcre3 2:8.39-13 > ii libselinux1 3.1-3 > ii zlib1g 1:1.2.11.dfsg-2 > > Versions of packages libglib2.0-0 recommends: > ii libglib2.0-data 2.67.3+git20210214-1 > ii shared-mime-info 2.0-1 > ii xdg-user-dirs 0.17-2 > > libglib2.0-0 suggests no packages. > > -- no debconf information >

