On 15.11.25 09:58, WGH wrote:
> Hello.
> 
> I'm running Linux 6.17.7, and recently obtained a UGREEN 6 in 1 hub containing an AX88179B chip.
> 
> By default, it uses the generic cdc_ncm driver, and it works mostly okay.
> 
> The annoying problem I have is that most of the time the kernel doesn't notice that the link is up. ip link reports NO-CARRIER, network management daemon doesn't configure the interface, and so on.

Hi,

that strongly points to a race condition.
Could you try the attached diagnostic patch?

	Regards
		Oliver