Unable to establish P2P connection for miracast using gnome-network-displays

[Julian Sikorski]

Am 30.01.24 um 11:35 schrieb Benjamin Berg:
> Hi
> 
> On Tue, 2024-01-30 at 09:27 +0100, Julian Sikorski wrote:
>> I should check updates-testing next time before sending long emails. I
>> have now installed gnome-network-displays-0.92.1 and the experience has
>> improved a lot.
>> On my old laptop I can connect to both the TV and the Fire Stick without
>> issues (3 out of 3 attempts in a row worked).
>> On my new laptop, connection attempts either work or at least fail at a
>> later stage than before, at the stage during which the stick is
>> displaying that the connection is being negotiated.
>> Thanks for all your help so far.
> 
> I haven't read the other mail yet. But I would not expect any change in
> the connection establishment side when updating gnome-network-displays
> (all it does is ask NetworkManager to connect to the peer).
> 
> So, a little bit confused to be honest. From my side, I would have
> expected improvements from an update elsewhere (wpa_supplicant, kernel
> or firmware).
> 
> Benjamin
It is a bit elusive to me too. I have definitely observed an improvement 
updating gnome-network-displays from 0.90.5 to 0.92.1. It still fails to 
connect to the Fire TV without any reaction from the stick. I would 
still be curious to debug it using the other laptop as a monitor, but, 
as you mentioned earlier, this requires configuring the channel and the 
bandwidth. Where do I get this information from? It seems to be 
negotiated dynamically between the devices.

Best regards,
Julian