Bug#684998: Setting "Disable touchpad while typing" breaks the desktop on next session start

Giovanni Biscuolo g at xelera.eu
Sat Feb 2 11:10:27 UTC 2013


Package: gnome-settings-daemon
Version: 3.4.2+git20121218.7c1322-2
Followup-For: Bug #684998

Dear Maintainer,

here is my package info (please see below for further info):

-- System Information:
Debian Release: 7.0
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 3.7-trunk-686-pae (SMP w/4 CPU cores)
Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gnome-settings-daemon depends on:
ii  dconf-gsettings-backend [gsettings-backend]  0.12.1-3
ii  dpkg                                         1.16.9
ii  gsettings-desktop-schemas                    3.4.2-3
ii  libatk1.0-0                                  2.4.0-2
ii  libc6                                        2.13-37
ii  libcairo-gobject2                            1.12.2-2
ii  libcairo2                                    1.12.2-2
ii  libcanberra-gtk3-0                           0.28-6
ii  libcanberra0                                 0.28-6
ii  libcolord1                                   0.1.21-1
ii  libcomerr2                                   1.42.5-1
ii  libcups2                                     1.5.3-2.13
ii  libdbus-glib-1-2                             0.100-1
ii  libfontconfig1                               2.9.0-7.1
ii  libgcrypt11                                  1.5.0-3
ii  libgdk-pixbuf2.0-0                           2.26.1-1
ii  libglib2.0-0                                 2.33.12+really2.32.4-3
ii  libgnome-desktop-3-2                         3.4.2-1
ii  libgnomekbd7                                 3.4.0.2-1
ii  libgnutls26                                  2.12.20-2
ii  libgssapi-krb5-2                             1.10.1+dfsg-3
ii  libgtk-3-0                                   3.4.2-5
ii  libgudev-1.0-0                               175-7
ii  libk5crypto3                                 1.10.1+dfsg-3
ii  libkrb5-3                                    1.10.1+dfsg-3
ii  liblcms2-2                                   2.2+git20110628-2.2
ii  libnotify4                                   0.7.5-1
ii  libnspr4                                     2:4.9.2-1
ii  libnspr4-0d                                  2:4.9.2-1
ii  libnss3                                      2:3.14.1.with.ckbi.1.93-1
ii  libpackagekit-glib2-14                       0.7.6-2
ii  libpango1.0-0                                1.30.0-1
ii  libpolkit-gobject-1-0                        0.105-3
ii  libpulse-mainloop-glib0                      2.0-6
ii  libpulse0                                    2.0-6
ii  libsqlite3-0                                 3.7.13-1
ii  libupower-glib1                              0.9.17-1
ii  libwacom2                                    0.6-1
ii  libx11-6                                     2:1.5.0-1
ii  libxfixes3                                   1:5.0-4
ii  libxi6                                       2:1.6.1-1
ii  libxklavier16                                5.2.1-1
ii  libxtst6                                     2:1.2.1-1
ii  nautilus-data                                3.4.2-1+build1
ii  zlib1g                                       1:1.2.7.dfsg-13

Versions of packages gnome-settings-daemon recommends:
ii  pulseaudio  2.0-6

Versions of packages gnome-settings-daemon suggests:
ii  gnome-screensaver            3.4.1-1
ii  metacity [x-window-manager]  1:2.34.3-4
ii  twm [x-window-manager]       1:1.0.6-1
ii  x11-xserver-utils            7.7~3

-- no debconf information

this is the backtrace of the crashing daemon, please note that the
backtrace is the very same of bug #682935, which probably should be
considered a duplicate of this one:

.......... backtrace START
(gdb) run
Starting program: /usr/bin/gnome-settings-daemon
[Thread debugging using libthread_db enabled]
Using host libthread_db library
"/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".
[New Thread 0xb6e1fb70 (LWP 12464)]
[New Thread 0xb64ffb70 (LWP 12465)]
[New Thread 0xb5ccbb70 (LWP 12466)]
[New Thread 0xb547fb70 (LWP 12467)]
Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "canberra-gtk-module"
Gtk-Message: Failed to load module "canberra-gtk-module"
[Thread 0xb64ffb70 (LWP 12465) exited]
Gtk-Message: Failed to load module "canberra-gtk-module"
[1359801966,000,xklavier.c:xkl_engine_start_listen/]    The backend does
not require manual layout management - but it is provided by the
application
[New Thread 0xb64ffb70 (LWP 12475)]

Program received signal SIGSEGV, Segmentation fault.
0xae4676e0 in gdk_device_manager_list_devices at plt () from
/usr/lib/gnome-settings-daemon-3.0/libmouse.so
(gdb) Gtk-Message: Failed to load module "canberra-gtk-module"

(gdb) bt
#0  0xae4676e0 in gdk_device_manager_list_devices at plt () from
/usr/lib/gnome-settings-daemon-3.0/libmouse.so
#1  0xae46a855 in ?? () from
/usr/lib/gnome-settings-daemon-3.0/libmouse.so
#2  0xb785b190 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb785d6d3 in g_main_context_dispatch () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb785da70 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb785decb in g_main_loop_run () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb7c4e73d in gtk_main () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#7  0x0804b1b7 in main ()
...... backtrace END

this is the output of gsettings list-recursively org.gnome.settings-daemon.peripherals.touchpad

......
org.gnome.settings-daemon.peripherals.touchpad disable-while-typing false
org.gnome.settings-daemon.peripherals.touchpad horiz-scroll-enabled true
org.gnome.settings-daemon.peripherals.touchpad left-handed 'mouse'
org.gnome.settings-daemon.peripherals.touchpad motion-acceleration 3.8602941176470589
org.gnome.settings-daemon.peripherals.touchpad motion-threshold 6
org.gnome.settings-daemon.peripherals.touchpad scroll-method 'edge-scrolling'
org.gnome.settings-daemon.peripherals.touchpad tap-to-click false
org.gnome.settings-daemon.peripherals.touchpad touchpad-enabled true
.......

please consider that disable-while-typing is false because I'm testing
that with that option disabled (false) gnome-settings-daemon is not
segfaulting anymore

so the workaround for me now is not to enable disable-while-typing

last but non least is my touchpad model via xinput (xinput list --long
13:
..........
SynPS/2 Synaptics TouchPad                      id=13   [slave  pointer  (2)]
        Reporting 8 classes:
                Class originated from: 13. Type: XIButtonClass
                Buttons supported: 12
                Button labels: "Button Left" "Button Middle" "Button Right" "Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz Wheel Right" None None None None None
                Button state:
                Class originated from: 13. Type: XIValuatorClass
                Detail for Valuator 0:
                  Label: Rel X
                  Range: 1472.000000 - 5858.000000
                  Resolution: 71000 units/m
                  Mode: relative
                Class originated from: 13. Type: XIValuatorClass
                Detail for Valuator 1:
                  Label: Rel Y
                  Range: 1408.000000 - 5050.000000
                  Resolution: 109000 units/m
                  Mode: relative
                Class originated from: 13. Type: XIValuatorClass
                Detail for Valuator 2:
                  Label: Rel Horiz Scroll
                  Range: 0.000000 - -1.000000
                  Resolution: 0 units/m
                  Mode: relative
                Class originated from: 13. Type: XIValuatorClass
                Detail for Valuator 3:
                  Label: Rel Vert Scroll
                  Range: 0.000000 - -1.000000
                  Resolution: 0 units/m
                  Mode: relative
                Class originated from: 13. Type: XIScrollClass
                Scroll info for Valuator 2
                  type: 2 (horizontal)
                  increment: 114.000000
                  flags: 0x0
                Class originated from: 13. Type: XIScrollClass
                Scroll info for Valuator 3
                  type: 1 (vertical)
                  increment: 114.000000
                  flags: 0x0
                Class originated from: 13. Type: XITouchClass
                Touch mode: dependent
                Max number of touches: 2
...........

hope this helps

kudos
Giovanni



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