Package: gnome-shell Version: 3.16.3-2 Followup-For: Bug #690902 I think I'm hitting a variant of this bug. It happens often when the laptop is on battery power, and rarely when on AC power.
Exempt from syslog on crash ---8<--- Sep 16 08:58:04 host5 systemd[1]: Started Session 4 of user sergei. Sep 16 08:58:04 host5 org.a11y.Bus[6461]: g_dbus_connection_real_closed: Remote peer vanished wi th error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting. Sep 16 08:58:04 host5 org.a11y.atspi.Registry[6467]: g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0 ). Exiting. Sep 16 08:58:04 host5 gnome-session[6457]: WARNING: Lost name on bus: org.gnome.SessionManager Sep 16 08:58:04 host5 gnome-session[6457]: gnome-session[6457]: WARNING: Lost name on bus: org.g nome.SessionManager Sep 16 08:58:04 host5 gnome-session[6457]: (gnome-settings-daemon:6477): GLib-GIO-WARNING **: Er ror releasing name org.gnome.SettingsDaemon: The connection is closed Sep 16 08:58:04 host5 gnome-session[6457]: (gnome-settings-daemon:6477): GLib-GIO-WARNING **: In valid id 4 passed to g_bus_unown_name() Sep 16 08:58:04 host5 gnome-session[6457]: g_dbus_connection_real_closed: Remote peer vanished w ith error: Error sending message: Broken pipe (g-io-error-quark, 44). Exiting. Sep 16 08:58:05 host5 /etc/gdm3/Xsession[6545]: /etc/gdm3/Xsession: Beginning session setup... Sep 16 08:58:05 host5 /etc/gdm3/Xsession[6545]: localuser:sergei being added to access control l ist Sep 16 08:58:05 host5 org.a11y.Bus[6586]: Activating service name='org.a11y.atspi.Registry' Sep 16 08:58:05 host5 org.a11y.Bus[6586]: Successfully activated service 'org.a11y.atspi.Registr y' Sep 16 08:58:05 host5 org.a11y.atspi.Registry[6592]: SpiRegistry daemon is running with well-kno wn name - org.a11y.atspi.Registry Sep 16 08:58:05 host5 kernel: [ 6039.469986] gdbus[6597]: segfault at f0 ip 00007fe4d0a4225d sp 00007fe4c831e740 error 4 in libc-2.19.so[7fe4d0a0b000+19f000] Sep 16 08:58:05 host5 org.a11y.atspi.Registry[6592]: XIO: fatal IO error 11 (Resource temporari ly unavailable) on X server ":0" Sep 16 08:58:05 host5 org.a11y.atspi.Registry[6592]: after 21 requests (19 known processed) with 0 events remaining. Sep 16 08:58:05 host5 org.a11y.Bus[6586]: g_dbus_connection_real_closed: Remote peer vanished wi th error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting. Sep 16 08:58:05 host5 gdm-Xorg-:0[6442]: (II) UnloadModule: "synaptics" ---8<--- Followed by X restart logging. The bug seems to be triggered in libc. The call site of the libc function seems to have been moved to gdbus code. Since I can reproduce the bug more or less reliably, I can do some printf debugging. Are there any ideas where to start? -- System Information: Debian Release: stretch/sid APT prefers unstable APT policy: (500, 'unstable'), (500, 'testing'), (200, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.1.0-2-amd64 (SMP w/4 CPU cores) Locale: LANG=C, LC_CTYPE=en_GB.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] 0.24.0-2 ii evolution-data-server 3.16.5-1 ii gir1.2-accountsservice-1.0 0.6.40-3 ii gir1.2-atspi-2.0 2.16.0-1 ii gir1.2-caribou-1.0 0.4.18.1-1 ii gir1.2-clutter-1.0 1.22.4-1 ii gir1.2-freedesktop 1.44.0-1+b2 ii gir1.2-gcr-3 3.16.0-1 ii gir1.2-gdesktopenums-3.0 3.16.1-1 ii gir1.2-gdm3 3.14.2-2 ii gir1.2-gkbd-3.0 3.6.0-1 ii gir1.2-glib-2.0 1.44.0-1+b2 ii gir1.2-gnomebluetooth-1.0 3.16.1-1 ii gir1.2-gnomedesktop-3.0 3.16.2-2 ii gir1.2-gtk-3.0 3.16.6-1 ii gir1.2-gweather-3.0 3.16.1-1 ii gir1.2-ibus-1.0 1.5.10-1 ii gir1.2-mutter-3.0 3.16.3-1 ii gir1.2-networkmanager-1.0 1.0.6-1 ii gir1.2-nmgtk-1.0 1.0.6-2 ii gir1.2-pango-1.0 1.36.8-3 ii gir1.2-polkit-1.0 0.105-11 ii gir1.2-soup-2.4 2.50.0-2 ii gir1.2-telepathyglib-0.12 0.24.1-1 ii gir1.2-telepathylogger-0.2 0.8.1-1 ii gir1.2-upowerglib-1.0 0.99.3-1+b2 ii gjs 1.43.3-2 ii gnome-backgrounds 3.16.0-1 ii gnome-icon-theme-symbolic 3.12.0-1 ii gnome-settings-daemon 3.16.3-1 ii gnome-shell-common 3.16.3-2 ii gnome-themes-standard 3.16.2-2 ii gsettings-desktop-schemas 3.16.1-1 ii libatk-bridge2.0-0 2.16.0-1 ii libatk1.0-0 2.16.0-2 ii libc6 2.19-19 ii libcairo2 1.14.2-2 ii libcanberra-gtk3-0 0.30-2.1 ii libcanberra0 0.30-2.1 ii libclutter-1.0-0 1.22.4-1 ii libcogl-pango20 1.20.0-2 ii libcogl20 1.20.0-2 ii libcroco3 0.6.8-3+b1 ii libdbus-glib-1-2 0.102-1 ii libecal-1.2-18 3.16.5-1 ii libedataserver-1.2-20 3.16.5-1 ii libgcr-base-3-1 3.16.0-1 ii libgdk-pixbuf2.0-0 2.31.5-1 ii libgirepository-1.0-1 1.44.0-1+b2 ii libgjs0e [libgjs0-libmozjs-24-0] 1.43.3-2 ii libglib2.0-0 2.44.1-1.1 ii libgstreamer1.0-0 1.4.5-2 ii libgtk-3-0 3.16.6-1 ii libical1a 1.0.1-0.1 ii libjson-glib-1.0-0 1.0.4-1 ii libmozjs-24-0 24.2.0-3 ii libmutter0f 3.16.3-1 ii libnm-glib4 1.0.6-1 ii libnm-util2 1.0.6-1 ii libpango-1.0-0 1.36.8-3 ii libpangocairo-1.0-0 1.36.8-3 ii libpolkit-agent-1-0 0.105-11 ii libpolkit-gobject-1-0 0.105-11 ii libpulse-mainloop-glib0 6.0-5 ii libpulse0 6.0-5 ii libsecret-1-0 0.18.3-1 ii libstartup-notification0 0.12-4 ii libsystemd0 225-1 ii libtelepathy-glib0 0.24.1-1 ii libx11-6 2:1.6.3-1 ii libxfixes3 1:5.0.1-2+b2 ii mutter 3.16.3-1 ii python3 3.4.3-4 ii telepathy-mission-control-5 1:5.16.3-1 Versions of packages gnome-shell recommends: ii gdm3 3.14.2-2 ii gkbd-capplet 3.6.0-1 ii gnome-contacts 3.16.2-1 ii gnome-control-center 1:3.16.3-1 ii gnome-user-guide 3.16.1-1 ii unzip 6.0-18 gnome-shell suggests no packages. -- no debconf information
