MSGID: <10k8fbf$2vfs$1@dont-email.me> 3c8a99ca
REPLY:  1098d372
PID: PyGate 1.5.2
TID: PyGate/Linux 1.5.2
CHRS: ASCII 1
TZUTC: 1100
REPLYADDR bp@www.zefox.net
REPLYTO 3:633/10 UUCP
Anssi Saari  wrote:
> bp@www.zefox.net writes:
> 
>> The wifi dongle works but not well. When the wireless connection gets
>> dodgy the entire USB system, including keyboard and trackpad, slow to
>> the point that the machine can't be controlled and must be power-cycled.
> 
> Could that be more of a power issue? Dongle draws more power and your
> PSU can't keep up? I remember the early Pis had some questionable design
> WRT power, basically you'd want your PSU to be able to provide something
> like 5.2 volts.

From what I gather the 5.2 volt requirement applies to Pi5 with
internal WiFi. This is a Pi2B with no internal WiFi.

The dongle is on a powered hub (part of a Dell monitor with a built-in 
hub). The hub is putting out 5.12 volts with the WiFi dongle active. 
The WiFi dongle is on a short USB-A extension cable to allow positioning 
for best reception, which varies wildly over a few inches. 

There's a fairly clear correlation between WiFi signal quality declining
and the keyboar/trackpad becoming unresponsive. It tends to happen in the
evening and I'm guessing it's interference with neighbor's access points,
which are abundant. 

It does appear that the firmware-realtek package can be upgraded, but trying
sudo apt upgrade realtek-firmware
reported that upgrade does not take arguments. 

It appears that I need to use
sudo apt install --only-upgrade firmware-realtek
but I haven't tried it yet. Can anybody confirm this is the correct command?
I'd rather not alter anything else right now.

Thanks for writing!

bob prohaska



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