[12421] in Athena Bugs

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Bug with zwgc in 7.7

daemon@ATHENA.MIT.EDU (wchuang@MIT.EDU)
Tue Aug 16 23:51:39 1994

From: wchuang@MIT.EDU
Date: Tue, 16 Aug 94 23:51:29 -0400
To: bugs@MIT.EDU

--------

A user in OLC (cstewart) reported problems with the new Athena release
(7.7) on their private DECstation (Maxine).

Specifically, they are accumulating tons of leftover zwgc processes,
from users of this private workstation, who telnet in and then logout
normally (i.e., "zwgc" is automatically started up with fallback true,
and they logout by typing "logout").

For example, the user reports:

> here's what zlocate and w return:
> 
> zlocate cstewart: [I'm currently logged  in only once]
> locke.MIT.EDU                              ttyp5   Tue Aug 16 21:21:26 1994
> locke.MIT.EDU                              ttyp2   Tue Aug 16 17:27:09 1994
> locke.MIT.EDU                              ttyp3   Tue Aug 16 15:36:03 1994
> locke.MIT.EDU                              ttyp0   Tue Aug 16 15:08:15 1994
> locke.MIT.EDU                              ttyp8   Tue Aug 16 15:04:29 1994
> 
> w [the workstation is locke]
> 
>   9:51pm  up 7 days, 20:20,  4 users,  load average: 0.20, 0.17, 0.00
> User     tty from           login@  idle   JCPU   PCPU  what
> lking    qf :0.0            6:16pm  3:35     38     29  xscreensaver -l 
> lking    p1 :0.0            6:16pm     3   1:17      8  -sh 
> cstewart p5 CABERNET        9:21pm                      w 
> lking    p6 :0.0            9:38pm     3      2      1  -sh 
> 
> 
> cstewart 29366  0.0  0.3  476   44 p4 S      0:01 zwgc
> cstewart   158  0.0  1.2  488  220 p8 S      0:01 zwgc
> cstewart  1442  0.0  0.2   40   28 p5 S      0:00 grep zwgc
> cstewart   221  0.0  1.2  488  220 p0 S      0:01 zwgc
> cstewart   947  0.0  1.2  480  212 p2 S      0:00 zwgc
> cstewart  1286  0.0  1.2  480  212 p5 S      0:00 zwgc
> lking     1172  0.0  1.3  552  244 qf S      0:00 zwgc
> kevinf   29866  0.0  1.0  504  188 p9 S      0:01 /usr/athena/bin/zwgc -ttymode
> cstewart   421  0.0  1.2  484  216 p3 S      0:01 zwgc
> kevinf   29835  0.0  1.1  508  192 p9 S      0:01 /usr/athena/bin/zwgc -ttymode

Anyone have any ideas?  (zwgc should be dying automatically... relying
on it to die via a script isn't going to work for private machines which
users can telnet into).

-William

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