Bug#838050: gnome-shell: gdm doesn't start due to a problem with gnome-shell crashing in libwacom2

Erik Tews erik at datenzone.de
Fri Sep 16 23:09:44 UTC 2016


Package: gnome-shell
Version: 3.21.92-1
Severity: grave
Justification: renders package unusable

After startup, gdm doesn't show up and just shows a grey screen. Looking at syslog reveals the reason:

syslog:Sep 16 23:27:25 matte kernel: [  172.983123] gnome-shell[3206]: segfault 
at 10 ip 00007f8e7c85d6c4 sp 00007ffd151d0a80 error 4 in libwacom.so.2.4.6[7f8e7
c85a000+9000]

Since I haven't updated libwacom2 in the last 2 weeks, but gnome-shell was recently updated, I assume this is due to a problem in gnome-shell.

There is also a temporary fix, just run: rmmod wacom, and then restart gdm, and you can use it again, of course without the touchscreen.

Unfortunately, in upstream, I cannot see any kind of commit between 3.21.92 and 3.21.91 that might cause such a problem.


-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.7.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (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]  0.26.0-1
ii  evolution-data-server                        3.20.5-1
ii  gir1.2-accountsservice-1.0                   0.6.40-3
ii  gir1.2-atspi-2.0                             2.20.2-2
ii  gir1.2-caribou-1.0                           0.4.21-1
ii  gir1.2-freedesktop                           1.49.2-1
ii  gir1.2-gcr-3                                 3.20.0-2
ii  gir1.2-gdesktopenums-3.0                     3.21.4-2
ii  gir1.2-gdm-1.0                               3.21.91-1
ii  gir1.2-glib-2.0                              1.49.2-1
ii  gir1.2-gnomebluetooth-1.0                    3.20.0-1
ii  gir1.2-gnomedesktop-3.0                      3.21.92-1
ii  gir1.2-gtk-3.0                               3.21.6-1
ii  gir1.2-gweather-3.0                          3.20.3-1
ii  gir1.2-ibus-1.0                              1.5.11-1
ii  gir1.2-mutter-3.0                            3.21.92-1
ii  gir1.2-networkmanager-1.0                    1.4.0-3
ii  gir1.2-nmgtk-1.0                             1.4.0-2
ii  gir1.2-pango-1.0                             1.40.2-1
ii  gir1.2-polkit-1.0                            0.105-16
ii  gir1.2-soup-2.4                              2.55.90-1
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                        0.99.4-3
ii  gjs                                          1.45.4-2
ii  gnome-backgrounds                            3.21.91-1
ii  gnome-settings-daemon                        3.21.92.1-1
ii  gnome-shell-common                           3.21.92-1
ii  gsettings-desktop-schemas                    3.21.4-2
ii  libatk-bridge2.0-0                           2.20.1-4
ii  libatk1.0-0                                  2.21.90-2
ii  libc6                                        2.24-2
ii  libcairo2                                    1.14.6-1+b1
ii  libcanberra-gtk3-0                           0.30-3
ii  libcanberra0                                 0.30-3
ii  libcroco3                                    0.6.11-1
ii  libdbus-glib-1-2                             0.108-1
ii  libecal-1.2-19                               3.20.5-1
ii  libedataserver-1.2-21                        3.20.5-1
ii  libgcr-base-3-1                              3.20.0-2
ii  libgdk-pixbuf2.0-0                           2.35.5-1
ii  libgirepository-1.0-1                        1.49.2-1
ii  libgjs0e [libgjs0-libmozjs-24-0]             1.45.4-2
ii  libglib2.0-0                                 2.49.7-1
ii  libglib2.0-bin                               2.49.7-1
ii  libgstreamer1.0-0                            1.8.3-1
ii  libgtk-3-0                                   3.21.6-1
ii  libical2                                     2.0.0-0.5+b1
ii  libicu57                                     57.1-4
ii  libjson-glib-1.0-0                           1.2.2-1
ii  libmozjs-24-0                                24.2.0-3.1
ii  libmutter0i                                  3.21.92-1
ii  libnm-glib4                                  1.4.0-3
ii  libnm-util2                                  1.4.0-3
ii  libpango-1.0-0                               1.40.2-1
ii  libpangocairo-1.0-0                          1.40.2-1
ii  libpolkit-agent-1-0                          0.105-16
ii  libpolkit-gobject-1-0                        0.105-16
ii  libpulse-mainloop-glib0                      9.0-3
ii  libpulse0                                    9.0-3
ii  libsecret-1-0                                0.18.5-2
ii  libstartup-notification0                     0.12-4
ii  libsystemd0                                  231-6
ii  libtelepathy-glib0                           0.24.1-1.1
ii  libwayland-client0                           1.11.0-2
ii  libx11-6                                     2:1.6.3-1
ii  libxfixes3                                   1:5.0.2-1
ii  mutter                                       3.21.92-1
ii  python3                                      3.5.1-4
ii  telepathy-mission-control-5                  1:5.16.3-2

Versions of packages gnome-shell recommends:
ii  gdm3                        3.21.91-1
ii  gkbd-capplet                3.6.0-1
ii  gnome-contacts              3.20.0-2
ii  gnome-control-center        1:3.21.92-2
ii  gnome-themes-standard-data  3.20.2-3
ii  gnome-user-guide            3.20.2-1
ii  iio-sensor-proxy            1.2-1
ii  unzip                       6.0-20

gnome-shell suggests no packages.

-- no debconf information



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