Re: cdc_ncm doesn't detect link unless ethtool is run (ASIX AX88179B)

[WGH]

On 11/15/25 15:33, Oliver Neukum wrote:
> 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

Nope, this patch doesn't help.