Sebastian Hagedorn Hagedorn at
Fri Nov 16 16:36:09 EST 2007

-- Ken Murchison <murch at> is rumored to have mumbled on 16. 
November 2007 16:29:20 -0500 regarding Re: Bingo!:

>> That does it ... I disconnected my cable modem while having an open
>> telnet connection to 995. Now that process is stuck.
> Does the same thing happen if you telnet to port 110?

Actually yes - so far! But the stack trace and strace are instructive:

(gdb) bt
#0  0x006cf2e8 in ___newselect_nocancel () from /lib/tls/
#1  0x08073f76 in prot_fill (s=0x9f6bf48) at prot.c:439
#2  0x080757ad in prot_fgets (buf=0xbfff7a30 "quit", size=8191, 
s=0x9f6bf48) at prot.c:1196
#3  0x0804da6b in cmdloop () at pop3d.c:762
#4  0x0804d516 in service_main (argc=1, argv=0x9f1f008, envp=0xbfffb80c) at 
#5  0x08054550 in main (argc=1, argv=0x9, envp=0xbfffb80c) at service.c:539

# strace -p 18432
Process 18432 attached - interrupt to quit
select(1, [0], NULL, NULL, {463, 90000}

The select() will time out eventually, I'm sure. I'm currently waiting for 
that to happen.
Sebastian Hagedorn - Postmaster - RZKR-R1 (Flachbau), Zimmer 18
Zentrum für angewandte Informatik - Universitätsweiter Service RRZK
Universität zu Köln / Cologne University - Tel. +49-221-478-5587
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