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Allow the client to pass a duration of 0 to the server. #648

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merged 1 commit into from
Oct 11, 2017
Merged

Allow the client to pass a duration of 0 to the server. #648

merged 1 commit into from
Oct 11, 2017

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bmah888
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@bmah888 bmah888 commented Oct 5, 2017

Seems to fix #645.

@bmah888 bmah888 added the bug label Oct 5, 2017
@bmah888 bmah888 added this to the 3.3 milestone Oct 5, 2017
@bmah888 bmah888 self-assigned this Oct 5, 2017
@bmah888 bmah888 merged commit 720a0a3 into master Oct 11, 2017
@bmah888 bmah888 deleted the issue-645 branch October 11, 2017 21:07
@bmah888 bmah888 mentioned this pull request Oct 17, 2017
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@tsrofj
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tsrofj commented Dec 12, 2017 •
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Previously posted to #645, apologies for the mis-post there.
This issue seems to still exist in v3.3:

I have this same/similar issue:
Server side is Amazon AWS Linux AMI (198-51-100-112), running build from esnet repo, and client is an ARM v7l (203.0.113.47) with iperf3 compiled from esnet source tarball this morning

ec2-user@ip-198-51-100-112 19:00:25 UTC ~ $ cat /etc/*release
NAME="Amazon Linux AMI"
VERSION="2017.09"
ID="amzn"
ID_LIKE="rhel fedora"
VERSION_ID="2017.09"
PRETTY_NAME="Amazon Linux AMI 2017.09"
ANSI_COLOR="0;33"
CPE_NAME="cpe:/o:amazon:linux:2017.09:ga"
HOME_URL="http://aws.amazon.com/amazon-linux-ami/"
Amazon Linux AMI release 2017.09

ec2-user@ip-198-51-100-112 19:00:34 UTC ~ $  iperf3 -v
iperf 3.3 (cJSON 1.5.2)
Linux ip-198-51-100-112 4.9.51-10.52.amzn1.x86_64 #1 SMP Fri Sep 29 01:16:19 UTC 2017 x86_64
Optional features available: CPU affinity setting, IPv6 flow label, TCP congestion algorithm setting, sendfile / zerocopy, authentication

ec2-user@ip-198-51-100-112 19:03:07 UTC ~ $ iperf3 -s -f m -i 1 -V
iperf 3.3
Linux ip-198-51-100-112 4.9.51-10.52.amzn1.x86_64 #1 SMP Fri Sep 29 01:16:19 UTC 2017 x86_64
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Time: Tue, 12 Dec 2017 19:05:43 GMT
Accepted connection from 203.0.113.47, port 25473
      Cookie: fhj3mal6uf5bcnggszkq5rkpp5iskjj6z65h
      TCP MSS: 0 (default)
[  5] local 198.51.100.112 port 5201 connected to 203.0.113.47 port 14525
Starting Test: protocol: TCP, 1 streams, 131072 byte blocks, omitting 0 seconds, 10 second test, tos 0
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec  11.6 KBytes  0.10 Mbits/sec                  
[  5]   1.00-2.00   sec  32.5 KBytes  0.27 Mbits/sec                  
[  5]   2.00-3.00   sec  37.1 KBytes  0.30 Mbits/sec                  
[  5]   3.00-4.00   sec  39.4 KBytes  0.32 Mbits/sec                  
[  5]   4.00-5.00   sec  42.9 KBytes  0.35 Mbits/sec                  
[  5]   5.00-6.00   sec  30.2 KBytes  0.25 Mbits/sec                  
[  5]   6.00-7.00   sec  59.2 KBytes  0.48 Mbits/sec                  
[  5]   7.00-8.00   sec  0.00 Bytes  0.00 Mbits/sec                  
[  5]   8.00-9.00   sec   309 KBytes  2.53 Mbits/sec                  
[  5]   9.00-10.00  sec   138 KBytes  1.13 Mbits/sec                  
[  5]  10.00-10.86  sec   132 KBytes  1.26 Mbits/sec                  
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval           Transfer     Bitrate
[  5] (sender statistics not available)
[  5]   0.00-10.86  sec   832 KBytes  0.63 Mbits/sec                  receiver
CPU Utilization: local/receiver 0.0% (0.0%u/0.0%s), remote/sender 0.0% (0.0%u/0.0%s)
rcv_tcp_congestion cubic
iperf3: the client has unexpectedly closed the connection
iperf 3.3
Linux ip-198-51-100-112 4.9.51-10.52.amzn1.x86_64 #1 SMP Fri Sep 29 01:16:19 UTC 2017 x86_64
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Time: Tue, 12 Dec 2017 19:06:22 GMT
Accepted connection from 203.0.113.47, port 10596
      Cookie: r3ktyinenamgwlb47ndk6vtvqme6ks2pc3cy
      TCP MSS: 0 (default)
[  5] local 198.51.100.112 port 5201 connected to 203.0.113.47 port 6223
Starting Test: protocol: TCP, 1 streams, 131072 byte blocks, omitting 0 seconds, 20 second test, tos 0
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec  11.6 KBytes  0.10 Mbits/sec                  
[  5]   1.00-2.00   sec  47.6 KBytes  0.39 Mbits/sec                  
[  5]   2.00-3.00   sec  38.3 KBytes  0.31 Mbits/sec                  
[  5]   3.00-4.00   sec  49.9 KBytes  0.41 Mbits/sec                  
[  5]   4.00-5.00   sec  34.8 KBytes  0.29 Mbits/sec                  
[  5]   5.00-6.00   sec  44.1 KBytes  0.36 Mbits/sec                  
[  5]   6.00-7.00   sec  38.3 KBytes  0.31 Mbits/sec                  
[  5]   7.00-8.00   sec  44.1 KBytes  0.36 Mbits/sec                  
[  5]   8.00-9.00   sec  36.0 KBytes  0.29 Mbits/sec                  
[  5]   9.00-10.00  sec  45.2 KBytes  0.37 Mbits/sec                  
[  5]  10.00-11.00  sec  37.1 KBytes  0.30 Mbits/sec                  
[  5]  11.00-12.00  sec  41.8 KBytes  0.34 Mbits/sec                  
[  5]  12.00-13.00  sec  45.2 KBytes  0.37 Mbits/sec                  
[  5]  13.00-14.00  sec  41.8 KBytes  0.34 Mbits/sec                  
[  5]  14.00-15.00  sec  41.8 KBytes  0.34 Mbits/sec                  
[  5]  15.00-16.00  sec  46.4 KBytes  0.38 Mbits/sec                  
[  5]  16.00-17.00  sec  47.6 KBytes  0.39 Mbits/sec                  
[  5]  17.00-18.00  sec  37.1 KBytes  0.30 Mbits/sec                  
[  5]  18.00-19.00  sec  47.6 KBytes  0.39 Mbits/sec                  
[  5]  19.00-20.00  sec  40.6 KBytes  0.33 Mbits/sec                  
[  5]  20.00-21.00  sec  44.1 KBytes  0.36 Mbits/sec                  
[  5]  21.00-22.00  sec  46.4 KBytes  0.38 Mbits/sec                  
[  5]  22.00-23.00  sec  39.4 KBytes  0.32 Mbits/sec                  
[  5]  23.00-24.00  sec  47.6 KBytes  0.39 Mbits/sec                  
iperf3: error - select failed: Bad file descriptor
iperf 3.3
Linux ip-198-51-100-112 4.9.51-10.52.amzn1.x86_64 #1 SMP Fri Sep 29 01:16:19 UTC 2017 x86_64
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
^Ciperf3: interrupt - the server has terminated
ec2-user@ip-198-51-100-112 19:12:54 UTC ~ $ cd /etc/yum.repos.d/
ec2-user@ip-198-51-100-112 19:13:01 UTC /etc/yum.repos.d $ ll
total 36
-rw-r--r-- 1 root root 1014 Nov  1 19:45 amzn-main.repo
-rw-r--r-- 1 root root  327 Nov  1 19:45 amzn-nosrc.repo
-rw-r--r-- 1 root root 1041 Nov  1 19:45 amzn-preview.repo
-rw-r--r-- 1 root root 1041 Nov  1 19:45 amzn-updates.repo
-rw-r--r-- 1 root root  951 Oct  2 17:44 epel.repo
-rw-r--r-- 1 root root 1050 Oct  2 17:44 epel-testing.repo
-rw-r--r-- 1 root root  316 Jun 26 20:47 perfSONAR.repo
-rw-r--r-- 1 root root 1688 Jun 26 20:47 perfSONAR-Vault.repo
-rw-r--r-- 1 root root  364 Jun 26 20:47 perfSONAR-web100_kernel.repo
ec2-user@ip-198-51-100-112 19:13:02 UTC /etc/yum.repos.d $ 



[default@gw /]$ cat /etc/*release
NAME=Buildroot
VERSION=2016.02-dirty
ID=buildroot
VERSION_ID=2016.02
PRETTY_NAME="Buildroot 2016.02"

[default@gw /]$ iperf3 -v
iperf 3.3 (cJSON 1.5.2)
Linux gw 3.14.0501010-000145R20-2.5.4.611-xilinx #1 SMP PREEMPT Fri Jul 28 01:12:18 CDT 2017 armv7l
Optional features available: CPU affinity setting, IPv6 flow label, TCP congestion algorithm setting, sendfile / zerocopy, socket pacing

[default@gw /]$ iperf3 -c 198.51.100.112 -f m -i 1 -V
iperf 3.3
Linux gw 3.14.0501010-000145R20-2.5.4.611-xilinx #1 SMP PREEMPT Fri Jul 28 01:12:18 CDT 2017 armv7l
Control connection MSS 1188
Time: Tue, 12 Dec 2017 19:05:44 GMT
Connecting to host 198.51.100.112, port 5201
      Cookie: fhj3mal6uf5bcnggszkq5rkpp5iskjj6z65h
      TCP MSS: 1188 (default)
[  5] local 203.0.113.47 port 60331 connected to 198.51.100.112 port 5201
Starting Test: protocol: TCP, 1 streams, 131072 byte blocks, omitting 0 seconds, 10 second test, tos 0
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  44.1 KBytes  0.36 Mbits/sec    0   23.2 KBytes       
[  5]   1.00-2.00   sec  76.6 KBytes  0.63 Mbits/sec    0   55.7 KBytes       
[  5]   2.00-3.00   sec  69.6 KBytes  0.57 Mbits/sec    0   91.7 KBytes       
[  5]   3.00-4.00   sec   104 KBytes  0.86 Mbits/sec    0    132 KBytes       
[  5]   4.00-5.00   sec   157 KBytes  1.28 Mbits/sec    0    175 KBytes       
[  5]   5.00-6.00   sec  0.00 Bytes  0.00 Mbits/sec    0    205 KBytes       
[  5]   6.00-7.00   sec   233 KBytes  1.91 Mbits/sec    1    254 KBytes       
[  5]   7.00-8.00   sec  0.00 Bytes  0.00 Mbits/sec    0    182 KBytes       
[  5]   8.00-9.00   sec   300 KBytes  2.46 Mbits/sec    0    133 KBytes       
[  5]   9.00-10.00  sec   158 KBytes  1.29 Mbits/sec    0    133 KBytes       
- - - - - - - - - - - - - - - - - - - - - - - - -
Test Complete. Summary Results:
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.12 MBytes  0.94 Mbits/sec    1             sender
[  5]   0.00-10.86  sec   832 KBytes  0.63 Mbits/sec                  receiver
CPU Utilization: local/sender 5.9% (0.8%u/5.1%s), remote/receiver 0.0% (0.0%u/0.0%s)
snd_tcp_congestion veno
rcv_tcp_congestion cubic

iperf Done.
[default@gw /]$ iperf3 -c 198.51.100.112 -f m -i 1 -V -t 20
iperf 3.3
Linux gw 3.14.0501010-000145R20-2.5.4.611-xilinx #1 SMP PREEMPT Fri Jul 28 01:12:18 CDT 2017 armv7l
Control connection MSS 1188
Time: Tue, 12 Dec 2017 19:06:23 GMT
Connecting to host 198.51.100.112, port 5201
      Cookie: r3ktyinenamgwlb47ndk6vtvqme6ks2pc3cy
      TCP MSS: 1188 (default)
[  5] local 203.0.113.47 port 60333 connected to 198.51.100.112 port 5201
Starting Test: protocol: TCP, 1 streams, 131072 byte blocks, omitting 0 seconds, 20 second test, tos 0
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  44.1 KBytes  0.36 Mbits/sec    0   23.2 KBytes       
[  5]   1.00-2.00   sec   146 KBytes  1.20 Mbits/sec    0   70.8 KBytes       
[  5]   2.00-3.00   sec   104 KBytes  0.86 Mbits/sec    0    109 KBytes       
[  5]   3.00-4.00   sec   157 KBytes  1.28 Mbits/sec    0    159 KBytes       
[  5]   4.00-5.00   sec  0.00 Bytes  0.00 Mbits/sec    0    194 KBytes       
[  5]   5.00-6.00   sec   233 KBytes  1.91 Mbits/sec    0    238 KBytes       
[  5]   6.00-7.00   sec  0.00 Bytes  0.00 Mbits/sec    0    276 KBytes       
[  5]   7.00-8.00   sec  0.00 Bytes  0.00 Mbits/sec    0    321 KBytes       
[  5]   8.00-9.00   sec   352 KBytes  2.88 Mbits/sec    0    356 KBytes       
[  5]   9.00-10.00  sec  0.00 Bytes  0.00 Mbits/sec    0    400 KBytes       
[  5]  10.00-11.00  sec  0.00 Bytes  0.00 Mbits/sec    0    442 KBytes       
[  5]  11.00-12.00  sec  0.00 Bytes  0.00 Mbits/sec    0    479 KBytes       
[  5]  12.00-13.00  sec   529 KBytes  4.33 Mbits/sec    0    528 KBytes       
[  5]  13.00-14.00  sec  0.00 Bytes  0.00 Mbits/sec    0    516 KBytes       
[  5]  14.00-15.00  sec  0.00 Bytes  0.00 Mbits/sec    0    495 KBytes       
[  5]  15.00-16.00  sec  0.00 Bytes  0.00 Mbits/sec    0    472 KBytes       
[  5]  16.00-17.00  sec  0.00 Bytes  0.00 Mbits/sec    0    448 KBytes       
[  5]  17.00-18.00  sec  0.00 Bytes  0.00 Mbits/sec    0    429 KBytes       
[  5]  18.00-19.00  sec  0.00 Bytes  0.00 Mbits/sec    0    406 KBytes       
iperf3: error - control socket has closed unexpectedly
[default@gw /]$

Edit to mask an IP or two....

@esqt esqt mentioned this pull request Jun 15, 2018
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This was referenced Mar 28, 2023
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Regression in 3.1/3.2: iperf server fails after ~15 seconds with "Bad file descriptor"
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