Bug#945375: gnome-control-center: Segmentation fault when selecting display on secondary GPU.

[Mladen Mijatov]

Package: gnome-control-center
Version: 1:3.34.1-1
Severity: important

As explained in the subject, upon selecting display which is connected to the
secondary GPU whole application crashes with "segmentation fault".

Bellow is the output from terminal with `--verbose` flag:

~ $ gnome-control-center --verbose
22:41:03.0357         cc-object-storage:    DEBUG: Finished creating D-Bus
proxy for CcObjectStorage::dbus-
proxy(org.gnome.SettingsDaemon.Color,/org/gnome/SettingsDaemon/Color,org.gnome.SettingsDaemon.Color)
22:41:03.0358         cc-object-storage:    DEBUG: Adding object GDBusProxy
(CcObjectStorage::dbus-
proxy(org.gnome.SettingsDaemon.Color,/org/gnome/SettingsDaemon/Color,org.gnome.SettingsDaemon.Color)
→ 0x5589b8b01480) to the storage
22:41:03.0358          display-cc-panel:    DEBUG: setting adjustment -1.000 to
-1:-0
22:41:03.0358          display-cc-panel:    DEBUG: setting adjustment -1.000 to
-1:-0
22:41:03.0359         cc-object-storage:    DEBUG: Finished creating D-Bus
proxy for CcObjectStorage::dbus-
proxy(org.gnome.SettingsDaemon.Color,/org/gnome/SettingsDaemon/Color,org.freedesktop.DBus.Properties)
22:41:03.0359         cc-object-storage:    DEBUG: Adding object GDBusProxy
(CcObjectStorage::dbus-
proxy(org.gnome.SettingsDaemon.Color,/org/gnome/SettingsDaemon/Color,org.freedesktop.DBus.Properties)
→ 0x5589b80a5630) to the storage
22:41:03.0359         cc-object-storage:    DEBUG: Finished creating D-Bus
proxy for CcObjectStorage::dbus-
proxy(org.gnome.Shell,/org/gnome/Shell,org.gnome.Shell)
22:41:03.0359         cc-object-storage:    DEBUG: Adding object GDBusProxy
(CcObjectStorage::dbus-proxy(org.gnome.Shell,/org/gnome/Shell,org.gnome.Shell)
→ 0x5589b80a56c0) to the storage
22:41:03.0360          display-cc-panel:    DEBUG: SensorProxy vanished
22:41:03.0360          display-cc-panel:    DEBUG: Has no accelerometer
22:41:03.0377          display-cc-panel:    DEBUG: Resetting current config!
Segmentation fault



-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.2.0-3-amd64 (SMP w/4 CPU cores)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages gnome-control-center depends on:
ii  accountsservice            0.6.55-1
ii  apg                        2.2.3.dfsg.1-5+b1
ii  colord                     1.4.3-4
ii  desktop-base               10.0.3
ii  desktop-file-utils         0.24-1
ii  gnome-control-center-data  1:3.34.1-1
ii  gnome-desktop3-data        3.34.1-1
ii  gnome-settings-daemon      3.34.1-1+b1
ii  gsettings-desktop-schemas  3.34.0-2
ii  libaccountsservice0        0.6.55-1
ii  libatk1.0-0                2.34.1-1
ii  libc6                      2.29-3
ii  libcairo2                  1.16.0-4
ii  libcheese-gtk25            3.34.0-1+b1
ii  libcheese8                 3.34.0-1+b1
ii  libcolord-gtk1             0.1.26-2
ii  libcolord2                 1.4.3-4
ii  libcups2                   2.3.0-6
ii  libfontconfig1             2.13.1-2+b1
ii  libgdk-pixbuf2.0-0         2.40.0+dfsg-1
ii  libglib2.0-0               2.62.2-3
ii  libgnome-bluetooth13       3.34.0-1
ii  libgnome-desktop-3-18      3.34.1-1
ii  libgoa-1.0-0b              3.34.1-1
ii  libgoa-backend-1.0-1       3.34.1-1
ii  libgsound0                 1.0.2-4
ii  libgtk-3-0                 3.24.12-1
ii  libgtop-2.0-11             2.40.0-2
ii  libgudev-1.0-0             233-1
ii  libibus-1.0-5              1.5.19-4+deb10u1
ii  libkrb5-3                  1.17-6
ii  libmm-glib0                1.10.4-0.1
ii  libnm0                     1.20.6-1
ii  libnma0                    1.8.24-1
ii  libpango-1.0-0             1.42.4-7
ii  libpangocairo-1.0-0        1.42.4-7
ii  libpolkit-gobject-1-0      0.105-26
ii  libpulse-mainloop-glib0    13.0-3
ii  libpulse0                  13.0-3
ii  libpwquality1              1.4.2-1
ii  libsecret-1-0              0.19.1-1
ii  libsmbclient               2:4.11.1+dfsg-3
ii  libsoup2.4-1               2.68.2-1
ii  libudisks2-0               2.8.4-1
ii  libupower-glib3            0.99.11-1
ii  libwacom2                  1.1-1
ii  libwayland-server0         1.17.0-1
ii  libx11-6                   2:1.6.8-1
ii  libxi6                     2:1.7.9-1
ii  libxml2                    2.9.4+dfsg1-8

Versions of packages gnome-control-center recommends:
ii  cracklib-runtime              2.9.6-3
ii  cups-pk-helper                0.2.6-1+b1
ii  gkbd-capplet                  3.26.1-1
ii  gnome-online-accounts         3.34.1-1
ii  gnome-user-docs               3.34.0-2
ii  gnome-user-share              3.34.0-2
ii  iso-codes                     4.4-1
ii  libcanberra-pulse             0.30-7
ii  libnss-myhostname             243-8
ii  mousetweaks                   3.32.0-2
ii  network-manager-gnome         1.8.24-1
ii  policykit-1                   0.105-26
ii  pulseaudio-module-bluetooth   13.0-3
ii  realmd                        0.16.3-3
ii  rygel                         0.36.2-4
ii  rygel-tracker                 0.36.2-4
ii  system-config-printer-common  1.5.12-1

Versions of packages gnome-control-center suggests:
ii  gnome-software           3.30.6-5+b1
ii  gstreamer1.0-pulseaudio  1.16.1-1
ii  libcanberra-gtk-module   0.30-7
ii  libcanberra-gtk3-module  0.30-7
ii  x11-xserver-utils        7.7+8

-- no debconf information