Messages in this thread | | | Date | Tue, 5 Sep 2023 19:31:45 +0700 | From | Bagas Sanjaya <> | Subject | Re: Regression with AX88179A: can't manually set MAC address anymore |
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On Tue, Sep 05, 2023 at 01:02:22PM +0200, Sergio Callegari wrote: > Hi, reporting here as the issue I am seeing is cross distro and relevant to > recent kernels. Hope this is appropriate. > > I have a USB hub with AX88179A ethernet. I was able to use it regularly, > until something changed in recent kernels to have this interface supported > by the cdc_ncm driver. After this change it is not possible anymore to work > with a manually set MAC address.
Exactly on what version range?
> > More details: > > - before the kernel changes, the interface was supported by a dedicated > kernel driver. The driver had glitches but was more or less working. The > main issue was that after some usage the driver stopped working. Could fix > these glitches with the driver at > https://github.com/nothingstopsme/AX88179_178A_Linux_Driver
Did you mean that you use out-of-tree module?
> > - after the kernel changes, loading the ax88179_178a.ko does not create a > network device anymore. The interface can be used with the cdc_ncm driver, > however it is not possible anymore to use a manually set MAC address. > > When you manually set a MAC this appears to be accepted (e.g. ip link > reports it correctly), but the card does not receive data anymore. For > instance, trying to connect to a DHCP server, you see that the server > receives the request, makes an offer, but the offer is never received by the > network card. >
How is the reproducer?
> This may be the same issue reported here: https://discussion.fedoraproject.org/t/ax88179-178a-network-fails-to-start-usb-to-eth/77687 > where the user says he cannot use the adapter when Network Manager is > configured to employ a randomized MAC address. >
Confused...
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