iperf can't transfer any data

[Luke Campagnola]

Package: iperf
Version: 1.7.0-1
Severity: grave
Justification: renders package unusable

If I try to run iperf as a client, there seems to be a connection
established with the server, but no data is ever transferred:

$ iperf -c localhost
------------------------------------------------------------
Client connecting to localhost, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------

The program hangs here, and if I break it (ctrl-c), the server reports
this:

$ iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[  6] local 127.0.0.1 port 5001 connected with 127.0.0.1 port 36870
[ ID] Interval       Transfer     Bandwidth
[  6]  0.0-11.6 sec  0.00 Bytes  0.00 bits/sec


This problem does not exist using the Debian Unstable version of iperf


-- System Information:
Debian Release: testing/unstable
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.8.1-3-amd64-generic
Locale: LANG=en_US, LC_CTYPE=en_US

Versions of packages iperf depends on:
ii  libc6              2.3.2.ds1-13ubuntu2.2 GNU C Library: Shared libraries an
ii  libgcc1            1:3.4.2-2ubuntu1      GCC support library
ii  libstdc++5         1:3.3.4-9ubuntu5      The GNU Standard C++ Library v3

-- no debconf information