Wifi disconnected on Raspberry Pi 3 and won't reconnect

Help and Support Raspberry Pi
1

I’m running latest OSMC on Raspberry Pi 3. After few hours of working the WiFi adapter disconnected from the AP and couldn’t connect anymore.

What’s connected to RPi 3:

  • external 2,5" hard drive via USB (additional power via second USB cable, provided from the same power adapter as RPi)
  • Samsung TV via HDMI

How to reproduce
I didn’t do anything specific. I started RPi and some files were downloading to the RPi via WiFi. It was like that for about 4hours and after that I tried to use TV streaming addons when I realized there’s no WiFi.

I tried to disable and after few seconds enable Wireless adapter via OSMC but no luck.
I connected via ethernet cable and SSH to check what’s going on and upload the logs.

Snippet from logs

[12452.145396] brcmfmac: brcmf_do_escan: error (-52)
[12452.145422] brcmfmac: brcmf_cfg80211_scan: scan error (-52)

Full logs
http://paste.osmc.io/lacosulumu

2

Does issue still occur without USB drive connected. Lacking any more info, it’s probably not wise to power both from same supply.

3

Power supply I use specifies that is able to provide 4,8A. It has 3 USB ports. So I think it should be enough.

I also did some test to create a heavy load on RPi to be sure the supply provides enough power.
I did run 4 processes of “cat /dev/urandom > /dev/null” and also was playing 1080p movie at the same time. There were no indications of lack of power.

I now umounted the drive and disconnected it. Again disabled/enabled wireless adapter but it still didn’t connect to AP.

I tried to manually scan for available networks:

root@osmc:~# iwlist wlan0 scan
wlan0     Interface doesn't support scanning : Invalid exchange

Just after that I got new entries in the logs:

Mar 26 15:29:35 osmc kernel: brcmfmac: brcmf_vif_set_mgmt_ie: vndr ie set error : -52
Mar 26 15:29:35 osmc kernel: brcmfmac: brcmf_cfg80211_scan: scan error (-52)
Mar 26 15:29:38 osmc kernel: brcmfmac: brcmf_vif_set_mgmt_ie: vndr ie set error : -52
Mar 26 15:29:38 osmc kernel: brcmfmac: brcmf_cfg80211_scan: scan error (-52)
4

That 4.8 is probably total from all three ports and each individual one is probably 1.6 each at most. Which would be to low for the Pi 3’s recommended 2.5

1 Like
5

It was fine for some time so I forgot about this thread… but now I face this problem again.
I powering the Pi from original 2,5A 5.1V Raspberry Pi 3 power adapter and still get those errors:

May 09 21:24:25 osmc kernel: brcmfmac: brcmf_sdio_hostmail: Unknown mailbox data content: 0x40012
May 09 22:00:15 osmc kernel: brcmfmac: brcmf_sdio_bus_txdata: out of bus->txq !!!
May 09 22:00:18 osmc kernel: brcmfmac: brcmf_sdio_bus_txdata: out of bus->txq !!!

May 10 00:51:10 osmc kernel: brcmfmac: brcmf_cfg80211_get_tx_power: error (-52)
May 10 00:51:12 osmc kernel: brcmfmac: brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed w/status -110

May 10 00:53:16 osmc kernel: brcmfmac: brcmf_do_escan: error (-52)
May 10 00:53:16 osmc kernel: brcmfmac: brcmf_cfg80211_scan: scan error (-52)
6

Any update? Same problem here…

7

Hi,

This topic is 3 years old, I doubt your lack of wifi is caused by the same the issue. Please open a new topic with logs:

How to submit a useful support request - General - OSMC

Thanks Tom.