Bug#1001619: gdm3: Blank screen upon resuming from suspend

[K. Watt]

Package: gdm3
Version: 41.0-3
Severity: important

Dear Maintainer,

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Hi, I'm not sure this is the correct place to report this as it seems to affect
both GDM3 and SDDM, but since I use GDM3 I'm reporting it here.

Basically, I get a blank screen while resuming from suspend and have to do a
hard reboot. Sometimes I can SSH into the system, but usually not. This affects
SDDM as well, but NOT LightDM, which resumes fine from suspend. Also, after
booting, if I leave the login screen on for some time (without any input from
the keyboard or mouse) I get the same blank screen and have to do a hard
reboot; haven't tested this with SDDM.

I'm on a Dell Inspiron 7405 laptop with a Ryzen 4500 processor.

Thank you for your time.

-- System Information:
Debian Release: bookworm/sid
APT prefers testing
APT policy: (500, 'testing'), (400, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.15.0-2-amd64 (SMP w/6 CPU threads)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages gdm3 depends on:
ii accountsservice 0.6.55-3
ii adduser 3.118
ii dbus [default-dbus-system-bus] 1.12.20-3
ii dbus-bin 1.12.20-3
ii dbus-daemon 1.12.20-3
ii dconf-cli 0.40.0-2
ii dconf-gsettings-backend 0.40.0-2
ii debconf [debconf-2.0] 1.5.79
ii gir1.2-gdm-1.0 41.0-3
ii gnome-session [x-session-manager] 40.1.1-3
ii gnome-session-bin 40.1.1-3
ii gnome-session-common 40.1.1-3
ii gnome-settings-daemon 41.0-2
ii gnome-shell 41.1-1
ii gnome-terminal [x-terminal-emulator] 3.42.1-1
ii gsettings-desktop-schemas 41.0-2
ii libaccountsservice0 0.6.55-3
ii libaudit1 1:3.0.6-1+b1
ii libc6 2.32-5
ii libcanberra-gtk3-0 0.30-8
ii libcanberra0 0.30-8
ii libgdk-pixbuf-2.0-0 2.42.6+dfsg-2
ii libgdm1 41.0-3
ii libglib2.0-0 2.70.2-1
ii libglib2.0-bin 2.70.2-1
ii libgtk-3-0 3.24.30-4
ii libkeyutils1 1.6.1-2
ii libpam-modules 1.4.0-10
ii libpam-runtime 1.4.0-10
ii libpam-systemd 249.7-1
ii libpam0g 1.4.0-10
ii librsvg2-common 2.50.7+dfsg-2
ii libselinux1 3.3-1+b1
ii libsystemd0 249.7-1
ii libx11-6 2:1.7.2-2+b1
ii libxau6 1:1.0.9-1
ii libxcb1 1.14-3
ii libxdmcp6 1:1.1.2-3
ii lsb-base 11.1.0
ii mlterm [x-terminal-emulator] 3.9.0-1+b1
ii policykit-1 0.105-31
ii procps 2:3.3.17-5
ii systemd-sysv 249.7-1
ii ucf 3.0043
ii x11-common 1:7.7+23
ii x11-xserver-utils 7.7+9
ii xterm [x-terminal-emulator] 370-1

Versions of packages gdm3 recommends:
ii at-spi2-core 2.42.0-2
ii desktop-base 11.0.3
ii gnome-session [x-session-manager] 40.1.1-3
ii x11-xkb-utils 7.7+5
ii xserver-xephyr 2:1.20.13-2
ii xserver-xorg 1:7.7+23
ii zenity 3.41.0-2

Versions of packages gdm3 suggests:
pn libpam-fprintd <none>
ii libpam-gnome-keyring 40.0-3
pn libpam-pkcs11 <none>
pn libpam-sss <none>
ii orca 41.0-1

-- Configuration Files:
/etc/gdm3/daemon.conf changed:
[daemon]
AutomaticLoginEnable=False
[security]
[xdmcp]
[chooser]
[debug]
Enable=true

-- debconf information:
gdm3/daemon_name: /usr/sbin/gdm3
* shared/default-x-display-manager: gdm3

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