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Re: jperf3




On 03/07/2017 15:29, Douglas Coup wrote:
On 7/1/2017 7:27 AM, FwAdmin wrote:
Hi cygwin,

I'll report a problem using iperf on windows 10 x64.

Probe is iperf3 runnung on an linux.
With a command line tool on windows 10 iperf runs without any problems.

Problems with iperfcygwin using java.

See here:

bin/iperf3.exe -c a.b.c.d -P 1 -i 1 -p 5201 -f m -t 10
   1579 [main] iperf3 6620 find_fast_cwd: WARNING: Couldn't compute
FAST_CWD pointer.  Please report this problem to
the public mailing list cygwin@xxxxxxxxxx
Done.

And my CPU runs on 100% when starting "Run iperf3".

y.s. fwadmin

I had the FAST_CWD problem several years ago after a Windows upgrade.  I
installed the latest Cygwin, and the problem stopped happening.

Regards,

Doug Coup


he is mentioning windows 10 x64 and having the problem only with Java.
I assume that the Java machine is triggering an old compatibility
style that cygwin recognizes as old windows.
It seems not the usual FAST_CWD problem of third party.

Marco


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