Is it just me, or is LTSP a mess?

Todd O'Bryan toddobryan at gmail.com
Wed Sep 10 15:09:47 BST 2008


On Wed, Sep 10, 2008 at 9:44 AM, Gavin McCullagh <gmccullagh at gmail.com>wrote:

> Hi,
>
> On Wed, 10 Sep 2008, Todd O'Bryan wrote:
>
> > Because when students log back in after a freeze, their desktop appears
> > without the top and bottom panels and they can't do anything until I slay
> > them.
>
> Could you give us the output of
>
>        ps aux |grep <username>
>
> for that <username> before you slay them?  If we need to repair watchdog,
> that can possibly be done.
>
> Gavin


Here's the output after the freeze, but before the student restarted the
terminal:

sysadmin at 200-202-server-2:~$ ps aux |grep ablum11
root       942  0.0  0.0  10428  4436 ?        Ss   09:17   0:00 sshd:
ablum11 [priv]
ablum11    963  0.0  0.0  10428  2084 ?        S    09:17   0:00 sshd:
ablum11 at pts/3
ablum11    985  0.0  0.0   4268  1472 pts/3    Ss   09:17   0:00 bash -c
echo LTSPROCKS ; LANG=C /bin/sh -
ablum11   1004  0.0  0.0   1772   484 pts/3    S+   09:17   0:00 /bin/sh -
ablum11   1157  0.0  0.0   4268  1476 ?        Ss   09:17   0:00 bash -c
LTSP_CLIENT=192.168.202.106 DISPLAY=192.168.202.106:6  PULSE_SERVER=tcp:
192.168.202.106:4713 ESPEAKER=192.168.202.106:16001 /etc/X11/Xsession ;
/usr/sbin/ltspfsmounter all cleanup ; kill -1 ${PPID}
ablum11   1199  0.0  0.0   3508  1044 ?        S    09:17   0:00
/usr/bin/ck-launch-session /usr/bin/seahorse-agent --execute
x-session-manager
ablum11   1246  0.0  0.0   4320  1532 ?        S    09:17   0:00 /bin/bash
/usr/share/gnome-watchdog/gnome-watchdog
ablum11   1249  0.0  0.0   4480   532 ?        Ss   09:17   0:00
/usr/bin/ssh-agent /usr/bin/ck-launch-session /usr/bin/seahorse-agent
--execute x-session-manager
ablum11   1256  0.0  0.0  28996  7440 ?        Sl   09:17   0:00
x-session-manager
ablum11   1265  0.0  0.0   7204  4148 ?        S    09:17   0:00
/usr/lib/libgconf2-4/gconfd-2 11
ablum11   1283  0.0  0.0  22996  6380 ?        Ss   09:17   0:00
/usr/bin/seahorse-agent --execute x-session-manager
ablum11   1290  0.0  0.0   2996  1096 ?        S    09:17   0:00
/usr/lib/gamin/gam_server
ablum11   1308  0.0  0.0  14336  1888 ?        SL   09:17   0:00
/usr/bin/gnome-keyring-daemon
ablum11   1312  0.0  0.0   2904   924 ?        Ss   09:17   0:00 dbus-daemon
--fork --print-address 19 --print-pid 21 --session
ablum11   1313  0.0  0.1  40120  9948 ?        Sl   09:17   0:00
gnome-settings-daemon
ablum11   1395  0.1  0.1  20908 12288 ?        S    09:17   0:03
/usr/bin/metacity --replace --sm-client-id default0
ablum11   1397  0.3  0.2  40596 21180 ?        S    09:17   0:08 gnome-panel
--sm-client-id default1
ablum11   1403  0.0  0.2  77516 23052 ?        S    09:17   0:01 nautilus
--no-default-window --sm-client-id default2
ablum11   1409  0.2  0.0  15304  4624 ?        Ss   09:17   0:06
gnome-screensaver
ablum11   1438  0.0  0.0  42224  3072 ?        Ssl  09:17   0:00
/usr/lib/bonobo-activation/bonobo-activation-server --ac-activate
--ior-output-fd=16
ablum11   1440  0.0  0.0   5368  1964 ?        S    09:17   0:00
/usr/lib/gvfs/gvfsd
ablum11   1450  0.0  0.0  14692  5672 ?        S    09:17   0:00
bluetooth-applet --singleton
ablum11   1454  0.0  0.0   4272  1488 ?        S    09:17   0:00 /bin/bash
/usr/bin/ica-launcher
ablum11   1463  0.0  0.1  41712  9532 ?        Sl   09:17   0:02 ica -noshm
-ivsport 10106 -isdport 11106
ablum11   1464  0.0  0.1  29520  9688 ?        Sl   09:17   0:00
/usr/lib/evolution/2.22/evolution-alarm-notify
ablum11   1467  0.0  0.0  15308  5464 ?        S    09:17   0:00
tracker-applet
ablum11   1470  0.0  0.1  31600 10296 ?        SNl  09:17   0:00 trackerd
ablum11   1480  0.0  0.1  24688 12228 ?        S    09:17   0:00 python
/usr/share/system-config-printer/applet.py
ablum11   1482  0.0  0.1  24704  9284 ?        S    09:17   0:00 nm-applet
--sm-disable
ablum11   1492  0.0  0.0  23160  7404 ?        Ss   09:17   0:00
gnome-power-manager
ablum11   1500  0.0  0.0      0     0 ?        Z    09:17   0:00 [ica]
<defunct>
ablum11   1524  0.0  0.0  14048  2448 ?        S    09:17   0:00
/usr/lib/gvfs/gvfsd-trash --spawner :1.4 /org/gtk/gvfs/exec_spaw/0
ablum11   1540  0.0  0.0   5580  2020 ?        S    09:17   0:00
/usr/lib/gvfs/gvfsd-burn --spawner :1.4 /org/gtk/gvfs/exec_spaw/1
ablum11   1562  0.0  0.1  25584  9952 ?        S    09:17   0:00
/usr/lib/gnome-applets/trashapplet
--oaf-activate-iid=OAFIID:GNOME_Panel_TrashApplet_Factory --oaf-ior-fd=21
ablum11   1606  0.0  0.1  40776 14540 ?        Sl   09:17   0:02
/usr/lib/gnome-applets/mixer_applet2
--oaf-activate-iid=OAFIID:GNOME_MixerApplet_Factory --oaf-ior-fd=22
ablum11   1608  0.0  0.1  30688 14652 ?        S    09:17   0:00
/usr/lib/fast-user-switch-applet/fast-user-switch-applet
--oaf-activate-iid=OAFIID:GNOME_FastUserSwitchApplet_Factory --oaf-ior-fd=26
ablum11   1791  2.3  1.7 165412 146120 ?       S    09:18   1:03
/opt/plt-4.1/bin/mred -N /opt/plt/bin/drscheme -l- drscheme/drscheme.ss
ablum11   1857  0.0  0.0   1772   524 ?        S    09:18   0:00 /bin/sh
/usr/bin/firefox
ablum11   1877  0.0  0.0   1772   528 ?        S    09:18   0:00 /bin/sh
/usr/lib/firefox/run-mozilla.sh /usr/lib/firefox/firefox-2-bin
ablum11   1881  0.3  0.4 130172 38724 ?        Sl   09:18   0:10
/usr/lib/firefox/firefox-2-bin
ablum11  22400  0.0  0.0   3068   728 ?        S    10:02   0:00 sleep 3
sysadmin 22414  0.0  0.0   3008   800 pts/21   S+   10:02   0:00 grep
ablum11

And here's the output after the student restarted the terminal, logged back
in, and was stuck at the screen with the desktop showing, but no top and
bottom panels.

sysadmin at 200-202-server-2:~$ ps aux |grep ablum11
root       942  0.0  0.0  10428  4436 ?        Ss   09:17   0:00 sshd:
ablum11 [priv]
ablum11    963  0.0  0.0  10428  2084 ?        S    09:17   0:00 sshd:
ablum11 at pts/3
ablum11    985  0.0  0.0   4268  1472 pts/3    Ss   09:17   0:00 bash -c
echo LTSPROCKS ; LANG=C /bin/sh -
ablum11   1004  0.0  0.0   1772   484 pts/3    S+   09:17   0:00 /bin/sh -
ablum11   1157  0.0  0.0   4268  1476 ?        Ss   09:17   0:00 bash -c
LTSP_CLIENT=192.168.202.106 DISPLAY=192.168.202.106:6  PULSE_SERVER=tcp:
192.168.202.106:4713 ESPEAKER=192.168.202.106:16001 /etc/X11/Xsession ;
/usr/sbin/ltspfsmounter all cleanup ; kill -1 ${PPID}
ablum11   1199  0.0  0.0   3508  1044 ?        S    09:17   0:00
/usr/bin/ck-launch-session /usr/bin/seahorse-agent --execute
x-session-manager
ablum11   1249  0.0  0.0   4480   532 ?        Ss   09:17   0:00
/usr/bin/ssh-agent /usr/bin/ck-launch-session /usr/bin/seahorse-agent
--execute x-session-manager
ablum11   1256  0.0  0.0  28996  7440 ?        Sl   09:17   0:00
x-session-manager
ablum11   1265  0.0  0.0   7212  4152 ?        S    09:17   0:00
/usr/lib/libgconf2-4/gconfd-2 11
ablum11   1283  0.0  0.0  22996  6380 ?        Ss   09:17   0:00
/usr/bin/seahorse-agent --execute x-session-manager
ablum11   1290  0.0  0.0   2996  1096 ?        S    09:17   0:00
/usr/lib/gamin/gam_server
ablum11   1308  0.0  0.0  14336  1888 ?        SL   09:17   0:00
/usr/bin/gnome-keyring-daemon
ablum11   1312  0.0  0.0   2904   924 ?        Ss   09:17   0:00 dbus-daemon
--fork --print-address 19 --print-pid 21 --session
ablum11   1313  0.0  0.1  40120  9948 ?        Sl   09:17   0:00
gnome-settings-daemon
ablum11   1395  0.1  0.1  20908 12288 ?        S    09:17   0:03
/usr/bin/metacity --replace --sm-client-id default0
ablum11   1397  0.2  0.2  40596 21180 ?        S    09:17   0:08 gnome-panel
--sm-client-id default1
ablum11   1403  0.0  0.2  77516 23052 ?        S    09:17   0:01 nautilus
--no-default-window --sm-client-id default2
ablum11   1409  0.2  0.0  15304  4624 ?        Ss   09:17   0:06
gnome-screensaver
ablum11   1438  0.0  0.0  42224  3092 ?        Ssl  09:17   0:00
/usr/lib/bonobo-activation/bonobo-activation-server --ac-activate
--ior-output-fd=16
ablum11   1440  0.0  0.0   5368  1964 ?        S    09:17   0:00
/usr/lib/gvfs/gvfsd
ablum11   1450  0.0  0.0  14692  5672 ?        S    09:17   0:00
bluetooth-applet --singleton
ablum11   1454  0.0  0.0   4272  1488 ?        S    09:17   0:00 /bin/bash
/usr/bin/ica-launcher
ablum11   1463  0.0  0.1  41712  9532 ?        Sl   09:17   0:02 ica -noshm
-ivsport 10106 -isdport 11106
ablum11   1464  0.0  0.1  29520  9688 ?        Sl   09:17   0:00
/usr/lib/evolution/2.22/evolution-alarm-notify
ablum11   1467  0.0  0.0  15308  5464 ?        S    09:17   0:00
tracker-applet
ablum11   1470  0.0  0.1  31600 10296 ?        SNl  09:17   0:00 trackerd
ablum11   1480  0.0  0.1  24688 12228 ?        S    09:17   0:00 python
/usr/share/system-config-printer/applet.py
ablum11   1482  0.0  0.1  24704  9284 ?        S    09:17   0:00 nm-applet
--sm-disable
ablum11   1492  0.0  0.0  23160  7404 ?        Ss   09:17   0:00
gnome-power-manager
ablum11   1500  0.0  0.0      0     0 ?        Z    09:17   0:00 [ica]
<defunct>
ablum11   1524  0.0  0.0  14048  2448 ?        S    09:17   0:00
/usr/lib/gvfs/gvfsd-trash --spawner :1.4 /org/gtk/gvfs/exec_spaw/0
ablum11   1540  0.0  0.0   5580  2020 ?        S    09:17   0:00
/usr/lib/gvfs/gvfsd-burn --spawner :1.4 /org/gtk/gvfs/exec_spaw/1
ablum11   1562  0.0  0.1  25584  9952 ?        S    09:17   0:00
/usr/lib/gnome-applets/trashapplet
--oaf-activate-iid=OAFIID:GNOME_Panel_TrashApplet_Factory --oaf-ior-fd=21
ablum11   1606  0.0  0.1  40776 14540 ?        Sl   09:17   0:02
/usr/lib/gnome-applets/mixer_applet2
--oaf-activate-iid=OAFIID:GNOME_MixerApplet_Factory --oaf-ior-fd=22
ablum11   1608  0.0  0.1  30688 14652 ?        S    09:17   0:00
/usr/lib/fast-user-switch-applet/fast-user-switch-applet
--oaf-activate-iid=OAFIID:GNOME_FastUserSwitchApplet_Factory --oaf-ior-fd=26
ablum11   1857  0.0  0.0   1772   524 ?        S    09:18   0:00 /bin/sh
/usr/bin/firefox
ablum11   1877  0.0  0.0   1772   528 ?        S    09:18   0:00 /bin/sh
/usr/lib/firefox/run-mozilla.sh /usr/lib/firefox/firefox-2-bin
ablum11   1881  0.3  0.4 130172 38724 ?        Sl   09:18   0:10
/usr/lib/firefox/firefox-2-bin
root     25616  0.3  0.0  10424  4452 ?        Ss   10:04   0:00 sshd:
ablum11 [priv]
ablum11  25674  0.0  0.0  10424  2088 ?        S    10:04   0:00 sshd:
ablum11 at pts/8
ablum11  25735  0.0  0.0   4268  1472 pts/8    Ss   10:04   0:00 bash -c
echo LTSPROCKS ; LANG=C /bin/sh -
ablum11  25740  0.0  0.0   1772   488 pts/8    S+   10:04   0:00 /bin/sh -
ablum11  25796  0.0  0.0   4268  1476 ?        Ss   10:04   0:00 bash -c
LTSP_CLIENT=192.168.202.106 DISPLAY=192.168.202.106:6  PULSE_SERVER=tcp:
192.168.202.106:4713 ESPEAKER=192.168.202.106:16001 /etc/X11/Xsession ;
/usr/sbin/ltspfsmounter all cleanup ; kill -1 ${PPID}
ablum11  25799  0.0  0.0   3508  1044 ?        S    10:04   0:00
/usr/bin/ck-launch-session /usr/bin/seahorse-agent --execute
x-session-manager
ablum11  25889  0.0  0.0   4280  1492 ?        S    10:04   0:00 /bin/bash
/usr/share/gnome-watchdog/gnome-watchdog
ablum11  25910  0.0  0.0   4480   532 ?        Ss   10:04   0:00
/usr/bin/ssh-agent /usr/bin/ck-launch-session /usr/bin/seahorse-agent
--execute x-session-manager
ablum11  25916  0.6  0.0  28996  7428 ?        Sl   10:04   0:00
x-session-manager
ablum11  25923  0.4  0.0  22996  6380 ?        Ss   10:04   0:00
/usr/bin/seahorse-agent --execute x-session-manager
ablum11  25940  0.0  0.0  14320  1868 ?        S    10:04   0:00
/usr/bin/gnome-keyring-daemon
ablum11  25944  0.1  0.0   2772   868 ?        Ss   10:04   0:00 dbus-daemon
--fork --print-address 19 --print-pid 21 --session
ablum11  25945  2.8  0.1  43092 13148 ?        Sl   10:04   0:00
gnome-settings-daemon
ablum11  25970  0.8  0.1  18504  9644 ?        S    10:04   0:00
/usr/bin/metacity --replace --sm-client-id default0
ablum11  25974  0.4  0.1  32620  8936 ?        Sl   10:04   0:00 nautilus
--no-default-window --sm-client-id default2
ablum11  25980  0.1  0.0  15304  2500 ?        Ss   10:04   0:00
gnome-screensaver
ablum11  26020  0.0  0.0   5364  1900 ?        S    10:04   0:00
/usr/lib/gvfs/gvfsd
ablum11  26089  0.2  0.0  14692  5672 ?        S    10:04   0:00
bluetooth-applet --singleton
ablum11  26099  0.0  0.0   4272  1484 ?        S    10:04   0:00 /bin/bash
/usr/bin/ica-launcher
ablum11  26103  1.0  0.1  25068 12424 ?        S    10:04   0:00
/usr/bin/python /usr/bin/jockey-gtk --check 60
ablum11  26106  0.2  0.0  15308  5456 ?        S    10:04   0:00
tracker-applet
ablum11  26107  0.7  0.1  41500  9508 ?        Sl   10:04   0:00 ica -noshm
-ivsport 10106 -isdport 11106
ablum11  26111  0.8  0.1  30576 10016 ?        SNl  10:04   0:00 trackerd
ablum11  26117  1.1  0.1  24696 12184 ?        S    10:04   0:00 python
/usr/share/system-config-printer/applet.py
ablum11  26119  1.7  0.1  24704  9220 ?        S    10:04   0:00 nm-applet
--sm-disable
ablum11  26125  0.5  0.0  23160  7324 ?        Ss   10:04   0:00
gnome-power-manager
ablum11  26134  1.3  0.0      0     0 ?        Z    10:04   0:00 [ica]
<defunct>
ablum11  26423  0.0  0.0   3068   728 ?        S    10:05   0:00 sleep 3
sysadmin 26456  0.0  0.0   3008   800 pts/21   S+   10:05   0:00 grep
ablum11
sysadmin at 200-202-server-2:~$ sudo slay ablum11
slay: Sending -KILL signal to ablum11's process(es)...
slay: Done.

Hope that helps!!
Todd
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