Package: gnome-shell Version: 3.18.1-1 Severity: important Dear Maintainer,
Each time I unplug an external screen from my computer, whether this screen was plugged using VGA or HDMI, gnome-shell crashes immediately, putting me back to TTY1. The only solution then is to restart gdm3 using '/etc/init.d/gdm3 restart'. This bug sort of looks like Bug#818357, but not exactly as it first does not concern a dock. I don't have anything printed in the console. And my system does not freeze. Looking at 'dmesg', I can see the following line each time it happens: [ 269.643683] traps: gnome-shell[5493] trap int3 ip:7fab50a0a87b sp:7ffe148df7e0 error:0 Doing 'journalctl -b -a', I can see the following that seem to relate to the current error: Mar 16 19:12:38 duck gnome-session[5485]: (gnome-settings-daemon:5538): Gdk- ERROR **: The program 'gnome-settings-daemon' received an X Window System error. Mar 16 19:12:38 duck gnome-session[5485]: This probably reflects a bug in the program. Mar 16 19:12:38 duck gnome-session[5485]: The error was 'BadRROutput (invalid Output parameter)'. Mar 16 19:12:38 duck gnome-session[5485]: (Details: serial 226 error_code 147 request_code 140 (RANDR) minor_code 9) Mar 16 19:12:38 duck gnome-session[5485]: (Note to programmers: normally, X errors are reported asynchronously; Mar 16 19:12:38 duck gnome-session[5485]: that is, you will receive the error a while after causing it. Mar 16 19:12:38 duck gnome-session[5485]: To debug your program, run it with the GDK_SYNCHRONIZE environment Mar 16 19:12:38 duck gnome-session[5485]: variable to change this behavior. You can then get a meaningful Mar 16 19:12:38 duck gnome-session[5485]: backtrace from your debugger if you break on the gdk_x_error() function.) Mar 16 19:12:38 duck gnome-session[5485]: gnome-session-binary[5485]: WARNING: Application 'gnome-settings-daemon.desktop' killed by signal 5 Mar 16 19:12:38 duck gnome-session-binary[5485]: WARNING: Application 'gnome- settings-daemon.desktop' killed by signal 5 Mar 16 19:12:38 duck kernel: traps: gnome-settings-[5538] trap int3 ip:7fbf2245187b sp:7fff3dbc5950 error:0 Mar 16 19:12:38 duck kernel: snd_hda_codec_hdmi hdaudioC0D0: HDMI: ELD buf size is 0, force 128 Mar 16 19:12:38 duck kernel: snd_hda_codec_hdmi hdaudioC0D0: HDMI: invalid ELD data byte 0 Mar 16 19:12:38 duck kernel: gnome-settings-[5568]: segfault at 10 ip 00007fe13761e427 sp 00007fff6491ccb0 error 4 in libgdk-3.so.0.1800.8[7fe1375be00 This bug makes things difficult, as each time I need to use an external screen, I know that when I'll unplug gnome will crashes. I can provide more data on demand, as the bug is easily reproduced (I just need to unplug my external screen...). Thanks, Raphaël -- System Information: Debian Release: stretch/sid APT prefers testing-updates APT policy: (500, 'testing-updates'), (500, 'testing'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.3.0-1-amd64 (SMP w/8 CPU cores) Locale: LANG=en_CA.utf8, LC_CTYPE=en_CA.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages gnome-shell depends on: ii dconf-gsettings-backend [gsettings-backend] 0.24.0-2 ii evolution-data-server 3.18.5-1 ii gir1.2-accountsservice-1.0 0.6.40-3 ii gir1.2-atspi-2.0 2.18.3-4 ii gir1.2-caribou-1.0 0.4.19-1 ii gir1.2-clutter-1.0 1.24.2-1 ii gir1.2-freedesktop 1.46.0-4 ii gir1.2-gcr-3 3.18.0-1 ii gir1.2-gdesktopenums-3.0 3.18.1-1 ii gir1.2-gdm3 3.18.0-2 ii gir1.2-gkbd-3.0 3.6.0-1 ii gir1.2-glib-2.0 1.46.0-4 ii gir1.2-gnomebluetooth-1.0 3.18.2-1 ii gir1.2-gnomedesktop-3.0 3.18.2-1 ii gir1.2-gtk-3.0 3.18.8-1 ii gir1.2-gweather-3.0 3.18.1-1 ii gir1.2-ibus-1.0 1.5.11-1 ii gir1.2-mutter-3.0 3.18.3-1 ii gir1.2-networkmanager-1.0 1.1.91-1 ii gir1.2-nmgtk-1.0 1.1.90-3 ii gir1.2-pango-1.0 1.38.1-1 ii gir1.2-polkit-1.0 0.105-14.1 ii gir1.2-soup-2.4 2.52.2-1 ii gir1.2-telepathyglib-0.12 0.24.1-1.1 ii gir1.2-telepathylogger-0.2 0.8.2-1 ii gir1.2-upowerglib-1.0 0.99.4-2 ii gjs 1.43.3-2 ii gnome-backgrounds 3.18.0-1 ii gnome-icon-theme-symbolic 3.12.0-1 ii gnome-settings-daemon 3.18.2-1 ii gnome-shell-common 3.18.1-1 ii gsettings-desktop-schemas 3.18.1-1 ii libatk-bridge2.0-0 2.18.1-2 ii libatk1.0-0 2.18.0-1 ii libc6 2.21-9 ii libcairo2 1.14.6-1 ii libcanberra-gtk3-0 0.30-2.1 ii libcanberra0 0.30-2.1 ii libclutter-1.0-0 1.24.2-1 ii libcogl-pango20 1.22.0-2 ii libcogl20 1.22.0-2 ii libcroco3 0.6.11-1 ii libdbus-glib-1-2 0.106-1 ii libecal-1.2-19 3.18.5-1 ii libedataserver-1.2-21 3.18.5-1 ii libgcr-base-3-1 3.18.0-1 ii libgdk-pixbuf2.0-0 2.32.3-1.2 ii libgirepository-1.0-1 1.46.0-4 ii libgjs0e [libgjs0-libmozjs-24-0] 1.43.3-2 ii libglib2.0-0 2.46.2-3 ii libgstreamer1.0-0 1.6.3-1 ii libgtk-3-0 3.18.8-1 ii libical1a 1.0.1-0.1 ii libjson-glib-1.0-0 1.0.4-2 ii libmozjs-24-0 24.2.0-3 ii libmutter0g 3.18.3-1 ii libnm-glib4 1.1.91-1 ii libnm-util2 1.1.91-1 ii libpango-1.0-0 1.38.1-1 ii libpangocairo-1.0-0 1.38.1-1 ii libpolkit-agent-1-0 0.105-14.1 ii libpolkit-gobject-1-0 0.105-14.1 ii libpulse-mainloop-glib0 8.0-1 ii libpulse0 8.0-1 ii libsecret-1-0 0.18.3-1 ii libstartup-notification0 0.12-4 ii libsystemd0 229-2 ii libtelepathy-glib0 0.24.1-1.1 ii libx11-6 2:1.6.3-1 ii libxfixes3 1:5.0.1-2+b2 ii mutter 3.18.3-1 ii python3 3.5.1-2 ii telepathy-mission-control-5 1:5.16.3-2 Versions of packages gnome-shell recommends: ii gdm3 3.18.0-2 ii gkbd-capplet 3.6.0-1 ii gnome-contacts 3.18.1-1 ii gnome-control-center 1:3.18.2-1 ii gnome-themes-standard-data 3.18.0-2 ii gnome-user-guide 3.18.1-1 ii iio-sensor-proxy 1.1-1 ii unzip 6.0-20 gnome-shell suggests no packages.

