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    SubjectProblem with 2.2.19pre9 (Connection closed.)
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    Date
    Hello,

    after upgrading to 2.2.19pre9 (+ 2 NFS-patches, IPv6 enabled) idle
    connections tend to shut down without a visible reason:

    client->ssh server
    Last login: Mon Feb 19 2001 18:01:12 from client.domain
    Sun Microsystems Inc. SunOS 5.8 Generic February 2000
    You have mail.
    server->Disconnected; connection lost (Connection closed.).
    Connection to server closed.
    client->uname -a
    Linux client 2.2.19pre9 #6 Thu Feb 15 09:26:46 MET 2001 i686 unknown

    Here is the relevant part of a tcpdump from this session: (The whole
    dump can be found here: http://www.tzi.de/~mager/linux.tcpdump )

    [...]
    10:15:17.336759 eth0 < server.domain.ssh > client.domain.afbackup: P 2242:2294(52) ack 1790 win 24616 <nop,nop,timestamp 232542776 43462051> (DF)
    10:15:17.350719 eth0 > client.domain.afbackup > server.domain.ssh: . 1790:1790(0) ack 2294 win 31856 <nop,nop,timestamp 43462055 232542776> (DF)
    [...]
    12:15:17.158963 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233262778 43462055> (DF)
    12:15:18.506350 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233262913 43462055> (DF)
    12:15:21.216267 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233263184 43462055> (DF)
    12:15:26.636121 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233263726 43462055> (DF)
    12:15:37.475848 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233264810 43462055> (DF)
    12:15:59.155272 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233266978 43462055> (DF)
    12:16:42.514137 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233271314 43462055> (DF)
    12:17:42.512562 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233277314 43462055> (DF)
    12:18:42.511239 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233283314 43462055> (DF)
    12:19:42.509606 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233289314 43462055> (DF)
    12:20:42.508124 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233295314 43462055> (DF)
    12:21:42.506655 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233301314 43462055> (DF)
    12:22:42.505090 eth0 < server.domain.ssh > client.domain.afbackup: P 2293:2294(1) ack 1790 win 24616 <nop,nop,timestamp 233307314 43462055> (DF)
    [...]
    14:23:10.527642 eth0 > client.domain.afbackup > server.domain.ssh: . 1789:1789(0) ack 2294 win 31856 <nop,nop,timestamp 44949377 233307314> (DF)
    14:23:10.528676 eth0 < server.domain.ssh > client.domain.afbackup: R 2292303093:2292303093(0) win 0 (DF)
    [...]

    Any ideas?

    Thanks a lot for your help!!

    Regards
    Markus

    --
    Markus Germeier
    mager@tzi.de
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