[Bug 50971] kdesu will not start apps

[SteveG]

Public bug reported:

to reproduce: alt+F2 > kdesu konqueror > input sudoers password
no output is visible in the gui, although 'ps axu | grep kdesu' shows more processes starting each time kdesu is run.  Below is the output of 'ps axu | grep kdesu' first before kdesu, then after 2 succeeding kdesu

steve at server4:~$ ps axu | grep kdesu
root     13187  0.0  0.0   1748   584 ?        Ss   20:55   0:00 /usr/bin/kdesu_stub -
steve    13387  0.0  0.0   2884   816 pts/1    S+   20:58   0:00 grep kdesu
steve at server4:~$ ps axu | grep kdesu
root     13187  0.0  0.0   1748   584 ?        Ss   20:55   0:00 /usr/bin/kdesu_stub -
steve    13388  3.7  1.3  26232 13556 ?        S    20:59   0:00 kdesu konqueror
steve    13390  0.0  0.2  16644  2696 ?        S    20:59   0:00 /usr/bin/kdesud
root     13392  0.0  0.0   2472   980 pts/2    Ss+  20:59   0:00 /usr/bin/sudo -u root /usr/bin/     kdesu_stub -
root     13396  0.0  0.0   1748   588 pts/3    Ss+  20:59   0:00 /usr/bin/kdesu_stub -
steve    13402  0.0  0.0   2876   796 pts/1    R+   20:59   0:00 grep kdesu
steve at server4:~$ ps axu | grep kdesu
root     13187  0.0  0.0   1748   584 ?        Ss   20:55   0:00 /usr/bin/kdesu_stub -
steve    13388  0.2  1.3  26232 13556 ?        S    20:59   0:00 kdesu konqueror
steve    13390  0.0  0.3  16644  3112 ?        S    20:59   0:00 /usr/bin/kdesud
root     13392  0.0  0.0   2472   980 pts/2    Ss+  20:59   0:00 /usr/bin/sudo -u root /usr/bin/     kdesu_stub -
root     13396  0.0  0.0   1748   588 pts/3    Ss+  20:59   0:00 /usr/bin/kdesu_stub -
steve    13423  2.1  1.3  26240 13972 ?        S    21:03   0:00 kdesu konqueror
root     13425  0.0  0.0   2468   980 pts/7    Ss+  21:03   0:00 /usr/bin/sudo -u root /usr/bin/     kdesu_stub -
root     13439  0.0  0.0   1752   592 pts/8    Ss+  21:04   0:00 /usr/bin/kdesu_stub -
steve    13444  0.0  0.0   2880   796 pts/1    R+   21:04   0:00 grep kdesu
steve at server4:~$

** Affects: kdebase (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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kdesu will not start apps
https://launchpad.net/bugs/50971