[maemo-developers] properly shutting down maemo inside scratchbox

From: Chris Taylor chtaylo4 at gmail.com
Date: Wed May 16 21:02:15 EEST 2007 
Hello all,

I have a question regarding the tutorial located here:
http://maemo.org/development/documentation/tutorials/Maemo_tutorial_bora.html

It seems that some services linger after the "af-sb-int.sh stop" is called

After starting up xephyr and "af-sb-init.sh start" here is a ps inside
scratchbox:
PID TTY      STAT   TIME COMMAND
 3213 pts/1    Ss+    0:00 bash
 2952 pts/0    Ss     0:00 bash
 2972 pts/0    S      0:00  \_ /bin/bash /scratchbox/login
 2985 pts/0    S      0:00      \_ /scratchbox/tools/bin/bash -l
 4634 pts/0    R+     0:00          \_ ps f
 4606 pts/0    S      0:00 /scratchbox/tools/bin/misc_runner
/usr/bin/maemo_af_desktop /usr/bin/maemo_af_desktop
 4607 pts/0    S      0:00  \_
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/maemo_af_desktop /usr/bin/maemo_af_desktop
 4589 pts/0    S      0:00 /scratchbox/tools/bin/misc_runner
/usr/bin/clipboard-manager /usr/bin/clipboard-manager
 4590 pts/0    S      0:00  \_
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/clipboard-manager /usr/bin/clipboard-manager
 4576 pts/0    S      0:00 /scratchbox/tools/bin/misc_runner
/usr/bin/matchbox-window-manager /usr/bin/matchbox-window-manager
-theme default -use_titlebar yes -use_desktop_mode plain -use_lowlight
no -use_cursor yes -use_dialog_mode static -use_super_modal yes
 4577 pts/0    S      0:00  \_
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/matchbox-window-manager /usr/bin/matchbox-window-manager
-theme default -use_titlebar yes -use_desktop_mode plain -use_lowlight
no -use_cursor yes -use_dialog_mode static -use_super_modal yes
 4564 pts/0    S      0:00 /scratchbox/tools/bin/misc_runner
/usr/lib/sapwood/sapwood-server /usr/lib/sapwood/sapwood-server
 4565 pts/0    S      0:00  \_
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/lib/sapwood/sapwood-server /usr/lib/sapwood/sapwood-server
 4540 pts/0    S      0:00 /scratchbox/tools/bin/misc_runner
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 4541 pts/0    S      0:00  \_
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 4529 pts/0    S      0:00 /scratchbox/tools/bin/misc_runner
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system
 4530 pts/0    S      0:00  \_
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system
 3770 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 3758 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system
 3085 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 3082 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system


After I do a af-sb-init.sh stop but BEFORE I close the Xephyr window,
I do another ps:
PID TTY      STAT   TIME COMMAND
 3213 pts/1    Ss+    0:00 bash
 2952 pts/0    Ss     0:00 bash
 2972 pts/0    S      0:00  \_ /bin/bash /scratchbox/login
 2985 pts/0    S      0:00      \_ /scratchbox/tools/bin/bash -l
 4756 pts/0    R+     0:00          \_ ps f
 4607 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/maemo_af_desktop /usr/bin/maemo_af_desktop
 4590 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/clipboard-manager /usr/bin/clipboard-manager
 4577 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/matchbox-window-manager /usr/bin/matchbox-window-manager
-theme default -use_titlebar yes -use_desktop_mode plain -use_lowlight
no -use_cursor yes -use_dialog_mode static -use_super_modal yes
 4565 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/lib/sapwood/sapwood-server /usr/lib/sapwood/sapwood-server
 4541 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 4530 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system
 3770 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 3758 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system
 3085 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 3082 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system

Here's a ps after I close the Xephyr window:
PID TTY      STAT   TIME COMMAND
 3213 pts/1    Ss+    0:00 bash
 2952 pts/0    Ss     0:00 bash
 2972 pts/0    S      0:00  \_ /bin/bash /scratchbox/login
 2985 pts/0    S      0:00      \_ /scratchbox/tools/bin/bash -l
 4766 pts/0    R+     0:00          \_ ps f
 4541 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 4530 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system
 3770 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 3758 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system
 3085 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --session --print-address=2
 3082 pts/0    S      0:00
/scratchbox/devkits/cputransp/bin/qemu-arm-0.8.1-sb2 --sbox-call
/usr/bin/dbus-daemon /usr/bin/dbus-daemon --system

Notice how processes 4607, 4590, 4577, and 4565 all seem to linger
until the Xephyr window is closed.  I think that's what's generating
the following error that I get after I close down the Xephyr window:

X connection to :2.0 broken (explicit kill or server shutdown).
The application 'sapwood-server' lost its conenction to the display 2.0;
most likely the X server was shutdown or you killed/destroyed the application.
X connection to :2.0 broken (explicit kill or server shutdown).
The application 'maemo_af_desktop' lost its conenction to the display 2.0;
most likely the X server was shutdown or you killed/destroyed the application.

It looks like af-sb-init.sh stop isn't stopping processes 4607, 4590,
4577 and 4565.  When I close the  Xephyr window, those fours process
are stopped but nor before two of them (sapwood-server and
maemo_af_desktop) complain that they lost their X server connection to
display :2.0

Any thoughts or suggestion on how I go about shutting this down
gracefully (as to not generate the error listed above) would be great!

Respectfully,
Christopher Taylor
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