brcmfmac: brcmf_inetaddr_changed: fail to get arp ip table err:-23

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@JamesH65 is already working on this.

Since Sep 13, 2017.

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Description

Waiting for internal comment Wifi Issue

(This issue was first reported at https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=186900&p=1179455)

I'm using an RPi 2 B with the official RPi wifi dongle and the latest Raspbian with Kernel 4.9.33-v7+.

I get this message:

brcmfmac: brcmf_inetaddr_changed: fail to get arp ip table err:-23

First, wifi worked well for some time.

Then, after 2 days, the RPi had a ping response time of around 1000msec and SSH login was very sluggish.

A simple "ifdown wlan0; ifup wlan0" made everything fine again, but it also made the error message reappear.

root@raspberrypi:~# dmesg  | grep brcm
[    5.511009] usbcore: registered new interface driver brcmfmac
[    5.831855] brcmfmac: Firmware version = wl0: Apr  3 2014 04:43:32 version 6.10.198.66 (r467479) FWID 01-32bd010e
[    7.152127] brcmfmac: power management disabled
[   13.744410] brcmfmac: brcmf_inetaddr_changed: fail to get arp ip table err:-23
[236056.551568] brcmfmac: brcmf_inetaddr_changed: fail to get arp ip table err:-23
[236074.832915] brcmfmac: brcmf_inetaddr_changed: fail to get arp ip table err:-23
root@raspberrypi:~#

Any idea what this error message means and how the issue can be fixed?

Any idea why the wifi connection was experiencing these connectivity issues?

Cheers,
Wolfram

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