Public bug reported:

Hi,

xfce4-xkb-plugin crashes when reconnecting a USB keyboard (see #420179).
xfce4-panel, its parent, doesn't wait() on it, leaving it around as a
zombie:

      0  9979  0.0  0.0   8976   924 ?        Ss   Aug10   0:00          |   \_ 
/usr/sbin/gdm-binary -nodaemon
       0 10236  0.0  0.0   6096   860 ?        S    Aug10   0:00          |     
  \_ /usr/lib/gdm/gdm-simple-slave --display-id 
/org/gnome/DisplayManager/Display1
       0 10704  1.6  1.7 392692 68808 tty6     Ss+  Aug10 419:16          |     
      \_ /usr/bin/X :0 -br -verbose -auth 
/var/run/gdm/auth-for-gdm-7g1K1R/database
       0 11655  0.0  0.0   9736   436 ?        S    Aug10   0:00          |     
      \_ /usr/lib/gdm/gdm-session-worker
    1000 11791  0.0  0.0   1836   108 ?        Ss   Aug10   0:00          |     
          \_ /bin/sh /etc/xdg/xfce4/xinitrc -- /etc/X11/xinit/xserverrc
    1000 11820  0.0  0.0   5032   216 ?        Ss   Aug10   0:02          |     
              \_ /usr/bin/ssh-agent /usr/bin/dbus-launch --exit-with-session 
startxfce4
    1000 11834  0.0  0.0  19152  2936 ?        S    Aug10  22:34          |     
              \_ /usr/bin/xfce4-session
    1000 11845  0.0  0.2  31692  9452 ?        S    Aug10  20:22          |     
                  \_ xfwm4 --sm-client-id 2154c2ace-e753-4cd8-93b3-1da58e1a695e 
--display :0.0
    1000 11848  0.0  0.1  71916  7672 ?        Sl   Aug10   0:27          |     
                  \_ Thunar --sm-client-id 
2d333b0fc-cd19-4379-a850-421bd9c9a7e3 --daemon
    1000 11851  0.1  0.3  35392 13900 ?        S    Aug10  38:21          |     
                  \_ xfce4-panel --sm-client-id 
2f72151b0-bf25-40f7-ac55-b7e7552befa5
    1000 11926  0.0  0.1  38852  6388 ?        Sl   Aug10   0:09          |     
                  |   \_ /usr/lib/xfce4/panel-plugins/xfce4-menu-plugin 
socket_id 29360163 name xfce4-menu id 12475150364 display_name Xfce Menu size 
24 screen_position 1
    1000 11946  0.0  0.0  24612  2692 ?        S    Aug10   0:00          |     
                  |   \_ 
/usr/lib/xfce4-xfapplet-plugin/xfce4/panel-plugins/xfce4-xfapplet-plugin 
socket_id 29360164 name xfapplet id 12479995523 display_name XfApplet size 24 
screen_position 1
    1000 11947  0.0  0.1  38580  4512 ?        Sl   Aug10   0:02          |     
                  |   \_ 
/usr/lib/xfce4-mixer/xfce4/panel-plugins/xfce4-mixer-plugin socket_id 29360165 
name xfce4-mixer-plugin id 12478609282 display_name Mixer size 24 
screen_position 1
    1000 11948  0.0  0.0      0     0 ?        Z    Aug10  22:41          |     
                  |   \_ [xfce4-xkb-plugi] <defunct>
    1000 11949  0.0  0.1  40436  4600 ?        Sl   Aug10   0:03          |     
                  |   \_ 
/usr/lib/xfce4-mixer/xfce4/panel-plugins/xfce4-mixer-plugin socket_id 29360168 
name xfce4-mixer-plugin id 5 display_name Mixer size 24 screen_position 1
    1000 28148  0.0  0.0      0     0 ?        Z    23:08   0:00          |     
                  |   \_ [xfce4-xkb-plugi] <defunct>
    1000 28254  0.6  0.0      0     0 ?        Z    23:09   0:05          |     
                  |   \_ [xfce4-xkb-plugi] <defunct>
    1000 30619  0.0  0.0      0     0 ?        Z    23:16   0:00          |     
                  |   \_ [xfce4-xkb-plugi] <defunct>
    1000 11853  0.0  0.1  40216  6392 ?        S    Aug10   0:31          |     
                  \_ xfdesktop --sm-client-id 
209af2a08-3a40-4835-9401-1dab6f4c1caa --display :0.0

I'm running version 4.6.1-3ubuntu1 of xfce4-panel.

Andras

** Affects: xfce4-panel (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Fails to reap children, creating zombies
https://bugs.launchpad.net/bugs/420187
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