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    SubjectTelnet stalling
    Date
    I have had these problems since a long time during 1.3.X and now also on the 2.0.X Kernels.
    Somewhere in between it got worse and then better (1.3.8x) but now I got the stalls frequently
    again.

    I am still experiencing problems with Linux Networking. Telnet sessions from the
    same host are
    stalling others are still moving along. Can anyone shed any light on why
    there is a huge send-queue for one telnet session and not for the other?

    Setup: Dialin from Linux System at home (2.0.8) into Modem Server (2.0.8).
    Telnet session is from the home system to another host on the network which
    runs a full Usenet feed. Two systems are running Debian 1.1 one Slackware 3.0.
    In both of these cases the stalling session was running tin to read news.
    I have removed diald for these tests. Just ppp-2.2.0f is involved.

    [miriam]/var/log:netstat -t
    Active Internet connections (w/o servers)
    Proto Recv-Q Send-Q Local Address Foreign Address State
    tcp 0 0 miriam.fuller.edu:nntp pvc7.news.psi.net:3799
    ESTABLISHED
    tcp 0 15358 miriam.fuller.edu:login hur_s0.fuller.edu:1023
    ESTABLISHED
    tcp 0 126 miriam.fuller.edu:login hur_s0.fuller.edu:1022
    ESTABLISHED
    [miriam]/var/log:

    And another case

    Active Internet connections (w/o servers)
    Proto Recv-Q Send-Q Local Address Foreign Address State
    tcp 0 0 miriam.fuller.edu:nntp digi2.fuller.edu:1360
    ESTABLISHED
    tcp 0 0 miriam.fuller.edu:nntp pvc7.news.psi.net:3586
    ESTABLISHED
    tcp 0 11692 miriam.fuller.edu:login hur_s0.fuller.edu:1023
    ESTABLISHED
    tcp 0 126 miriam.fuller.edu:login hur_s0.fuller.edu:1022
    ESTABLISHED
    udp 0 0 localhost:ntp *:*
    udp 0 0 miriam.fuller.edu:ntp *:*
    udp 0 0 intern.fuller.edu:ntp *:*
    udp 0 0 test.fuller.edu:ntp *:*
    udp 0 0 alpha.fuller.edu:ntp *:*
    udp 0 0 beta.fuller.edu:ntp *:*
    udp 0 0 gamma.fuller.edu:ntp *:*
    udp 0 0 delta.fuller.edu:ntp *:*
    udp 0 0 eta.fuller.edu:ntp *:*
    udp 0 0 theta.fuller.edu:ntp *:*
    udp 0 0 epsilon.fuller.edu:ntp *:*
    udp 0 0 virtual1.fuller.edu:ntp *:*
    udp 0 0 virtual2.fuller.edu:ntp *:*
    udp 0 0 virtual3.fuller.edu:ntp *:*
    udp 0 0 virtual4.fuller.edu:ntp *:*
    udp 0 0 virtual5.fuller.edu:ntp *:*
    udp 0 0 virtual6.fuller.edu:ntp *:*
    Active UNIX domain sockets (w/o servers)
    Proto RefCnt Flags Type State I-Node Path
    unix 2 [ ] STREAM CONNECTED 438
    unix 2 [ ] STREAM 439 /dev/log
    unix 2 [ ] STREAM CONNECTED 811
    unix 2 [ ] STREAM 812 /dev/log
    unix 2 [ ] STREAM CONNECTED 828
    unix 2 [ ] STREAM 829 /dev/log
    unix 2 [ ] STREAM CONNECTED 842
    unix 2 [ ] STREAM 843 /dev/log
    unix 2 [ ] STREAM CONNECTED 897
    unix 2 [ ] STREAM 898 /dev/log
    unix 2 [ ] STREAM CONNECTED 900
    unix 2 [ ] STREAM 901 /dev/log
    unix 2 [ ] STREAM CONNECTED 934
    unix 2 [ ] STREAM 935 /dev/log
    unix 2 [ ] STREAM CONNECTED 961
    unix 2 [ ] STREAM 962 /dev/log
    unix 1 [ ] DGRAM 977
    /var/run/innd/control
    unix 1 [ ] DGRAM 979
    unix 2 [ ] STREAM CONNECTED 1003
    unix 2 [ ] STREAM 1004 /dev/log
    unix 2 [ ] STREAM CONNECTED 1033
    unix 2 [ ] STREAM 1034 /dev/log
    unix 2 [ ] STREAM CONNECTED 10153
    unix 2 [ ] STREAM 10154 /dev/log
    unix 2 [ ] STREAM CONNECTED 115396
    unix 2 [ ] STREAM 115397 /dev/log
    unix 2 [ ] STREAM CONNECTED 115413
    unix 2 [ ] STREAM 115414 /dev/log
    unix 2 [ ] STREAM CONNECTED 140365
    unix 2 [ ] STREAM 140366 /dev/log



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