After switching over to 2.2pre kernels, a certain FTP transfer gets stuck
after having moved a bunch of files. The connecion gets stuck in FIN_WAIT1
state, and tcpdump shows the following (my host is 194.100.26.178)

04:30:54.471992 194.100.26.178.1483 > 194.251.244.142.20: FP 35041:36356(1315) ack 1 
win 32120 (DF)
04:30:54.491887 194.251.244.142.20 > 194.100.26.178.1483: . ack 36356 win 8760 (DF) 
[tos 0x8]
04:32:54.471994 194.100.26.178.1483 > 194.251.244.142.20: FP 35041:36356(1315) ack 1 
win 32120 (DF)
04:32:54.501887 194.251.244.142.20 > 194.100.26.178.1483: . ack 36356 win 8760 (DF) 
[tos 0x8]
04:34:54.472009 194.100.26.178.1483 > 194.251.244.142.20: FP 35041:36356(1315) ack 1 
win 32120 (DF)
04:34:54.491887 194.251.244.142.20 > 194.100.26.178.1483: . ack 36356 win 8760 (DF) 
[tos 0x8]

This is completely repeatable. I was using pre5 when creating this
particular log. Two longer logs and my kernel configuration are available at
http://www.woods.iki.fi/stuck-ftp/.

Cheops (http://www.marko.net/cheops/) reports 194.251.244.142 as being
Solaris 2.x.

         |\      _,,,---,,_     Samuli K�rkk�inen <[EMAIL PROTECTED]>
---ZZZzz /,`.-'`'    -.  ;-;;,_----------http://www.woods.iki.fi/
        |,4-  ) )-,_. ,\ (  `'-'       Cogito eggo sum -- I think;
       '---''(_/--'  `-'\_)              therefore I am a waffle.

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