On Thursday, 24 June 2021 13:19:50 BST Terry Coles wrote:
> On Thursday, 24 June 2021 10:49:42 BST Terry Coles wrote:
> > Any thoughts on what I could do to diagnose this problem?
>
> Someone on the Raspberry Pi Forums has resurrected the WMM Power suggestion.
> Apparently this has been known to cause problems in the past. The thing is
> that the suggestion is to turn off power saving, but I'm not sure how to do
> this. I know that the Windows Driver has support for the control, but I
> have no idea whether the Linux Kernel driver supports it.
>
> How would I find out?
The proper way to do this is apparently to use iwconfig. Send the command:
pi@minster-music:~ $ sudo iwconfig wlan0
wlan0 IEEE 802.11 ESSID:"WMT-Guest"
Mode:Managed Frequency:2.412 GHz Access Point: C4:E9:84:26:E7:00
Bit Rate=54 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=32/70 Signal level=-78 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:8948 Missed beacon:0
As you can see Power Management is marked as on. Then use sudo iwconfig wlan0
power off:
pi@minster-music:~ $ sudo iwconfig wlan0
wlan0 IEEE 802.11 ESSID:"WMT-Guest"
Mode:Managed Frequency:2.412 GHz Access Point: C4:E9:84:26:E7:00
Bit Rate=54 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=32/70 Signal level=-78 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:9014 Missed beacon:0
--
Terry Coles
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