Solved Stuttering and buffering
#16
That's a banned add-on (wiki) repo due to the various other piracy stuff that's on offer from it, plus it's potentially a very large security whole as such a scattershot collection may not have the same vetting and checking of code that the official repo does (see this blog for a little more on that subject).

I would research if you can get the iperf from a more reputable source, or if not be very careful and remove the repo as soon as possible. Our rules disallow support here whilst it is installed.
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#17
Well, I have iperf running on my windows machine as the server (192.168.1.100)

I've used putty to navigate to iperf, but here I'm stuck. I keep getting this error.

Code:
LibreELEC:~/.kodi/addons/network.testing.iperf/bin # iperf -c 192.168.1.100
/storage/.kodi/addons/network.testing.iperf/bin/iperf: line 1: syntax error: unexpected ")"

*edit* We were posting at the same time. Just seen Darren's message. I'll uninstall and see if I can find a different source for iperf.
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#18
It is (or was) in the unofficial repo in OpenElec, so that may be an alternative source if you still have that available (I'm at work so I can't check if it's been pulled into the LibreElec repo proper yet, as I recall they were planning to do to merge the unofficial OE repo back in again).

But it sounds like the version you are running there is knackered anyway (or maybe needs some tweaking to work with LibreElec).

In any case I'd strongly urge you to remove the banned repo again.

You may be best checking on the LibreElec forum about whether there is a working version of iperf available for LE at the moment and where to get it from.

Editted to add - it looks to be in the LE github tree (see here), so it may be there anyway, either built-in or in the LE repo.
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#19
OK, I deleted it, and found a section in the libreelec repro called "Network tools"
I installed that and it looks like iperf3 is in there.
So here's the result from my Pi as the client, and my PC as the server. They are connected to the same switch, with my NAS connected to the router if that makes any difference.

Code:
LibreELEC:~ # iperf -c 192.168.1.100
Connecting to host 192.168.1.100, port 5201
[  4] local 192.168.1.110 port 33294 connected to 192.168.1.100 port 5201
[ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
[  4]   0.00-1.00   sec  11.2 MBytes  93.7 Mbits/sec    0   36.8 KBytes
[  4]   1.00-2.00   sec  11.2 MBytes  94.2 Mbits/sec    0   39.6 KBytes
[  4]   2.00-3.00   sec  11.2 MBytes  94.3 Mbits/sec    0   39.6 KBytes
[  4]   3.00-4.00   sec  11.2 MBytes  94.1 Mbits/sec    0   39.6 KBytes
[  4]   4.00-5.00   sec  11.2 MBytes  94.1 Mbits/sec    0   39.6 KBytes
[  4]   5.00-6.00   sec  11.4 MBytes  95.2 Mbits/sec    0    102 KBytes
[  4]   6.00-7.00   sec  11.2 MBytes  94.0 Mbits/sec    0    102 KBytes
[  4]   7.00-8.00   sec  11.2 MBytes  93.7 Mbits/sec    0    102 KBytes
[  4]   8.00-9.00   sec  11.3 MBytes  94.5 Mbits/sec    0    102 KBytes
[  4]   9.00-10.00  sec  11.2 MBytes  94.3 Mbits/sec    0    102 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth       Retr
[  4]   0.00-10.00  sec   112 MBytes  94.2 Mbits/sec    0             sender
[  4]   0.00-10.00  sec   112 MBytes  94.1 Mbits/sec                  receiver

iperf Done.
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#20
What is the NAS and what protocol is it serving (e.g. SMB/NFS)?
Does it help if you add
Code:
smsc95xx.turbo_mode=Y
to the end of cmdline.txt (on the same line). That file is on the boot partition of the sdcard (that you can see from windows).
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#21
It's a Netgear Readynas 104. I've tried both NFS and SMB. They both seem to have the same issue. I think I'm currently using NFS.
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#22
I have a recovery.cmdline but no cmdline.txt.
Is that because I installed using Noobs? I know I have to ssh into my Pi to alter advancedsettings so I assume cmdline will be the same. I'll give that a go.
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