kern/38718: large ftp4/6 transfers stall

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>Number:         38718
>Category:       kern
>Synopsis:       large ftp4/6 transfers stall
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed May 21 08:10:00 +0000 2008
>Originator:     Andrew Doran
>Release:        4.99.63
>Organization:
The NetBSD Project
>Environment:
n/a
>Description:
Resubmit, original PR seems to have disappeared.

Large ftp transfers from the server on localhost eventually stall, and
only proceed at a very slow rate due to the ftp client's SIGALRM timer
for the progress bar.
>How-To-Repeat:
See above.
>Fix:
Not known.