Open linux-wireless-misery opened 7 years ago
I have the same problem. I try to compile the firmware with no luck; I also try to disable hwcrypt.
How can I disable the led blinking or change the wpa_suplicant?
This problem only happens when I have the option WMM enabled on the router, so it means, it only happen on wifi 11n, not 11g (tested).
Thanks in advance.
Then most probably it in an issue with the router firmware. Google for "WMM bad ping" or some thing like this. In my tests i use TL-WDR4300 with openwrt, and noticeable ping change is only each 3 minutes for max 10 seconds. The latency is higer, but no packet drops..
@olerem, you were right at the outset, it is wpa_supplicant triggering CTRL-EVENT-SCAN. Now, the problem is that I can't fix it: wpa_cli doesn't respond to set or reconfigure commands out of the box, and I can't make wpa_supplicant.service read wpa_supplicant.conf. I even managed to delete /sbin/wpa_supplicant at one point somehow! What a f*****g mess.
@satvilla I still get spikes after turning WMM off, but they're not as severe now (no packet loss anymore).
Try to disable HT40 if enabled.
No difference.
hiya,
it may just be network manager triggering background scans.
-adrian
On 9 November 2016 at 07:14, linux-wireless-misery <notifications@github.com
wrote:
No difference.
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@olerem I'm sure the problem is not the router, because it only happen with this wifi client. My real problem is when I try to watch a video on HD over the wifi lan, each few minutes the video stops, because the buffer is empty, until the buffer grow to the 100%. It also happen with SD content but less often because the buffer is bigger. The cause of that problem is the ping of the computer, I monitorize that and it change from 6ms to 600-1000+ ms every few minutes.
I want to try to disable the blink or the wpa_supplicant, if it can help, but I'm not an experienced linux user (in fact I'm proud to have been able to compile this firmware), how can I do that?
From: https://blogs.gnome.org/dcbw/2016/05/16/networkmanager-and-wifi-scans/
You can "lock your WiFi connection profile to the BSSID of your access point" by entering your access point's BSSID under "Edit Connections..."
It works, no more spikes.
I am experiencing disruptive ping spikes every 15-20 seconds lasting 2-3 sec. Over 500ms or outright packet drops. Have the same behaviour with 2 separate AR9271 USB cards (Netgear WNA1100 and TP-Link TL-WN722N).
Tested on Lubuntu 16.x, Fedora 24, Kali 2016.1 and 2. Kernels 4.1 to 4.8. Two separate computers. It also happens on Windows, but: -the spikes happen in similar timeframes, but aren't nearly as disruptive (two or three ~200ms roundtrips, rarely any packet loss) -it gets fixed completely with Streaming Mode enabled in WLAN Optimizer (http://www.martin-majowski.de/faq.html)
Any ideas as to what's wrong?