On Wed, Mar 31, 2021 at 2:01 AM Wong, Vee Khee <vee.khee.wong@intel.com> wrote:
>
> Hi all,
>
>
>
> This patch introduced the following massive warnings printouts on a
>
> Intel x86 Alderlake platform with STMMAC MAC and Marvell 88E2110 PHY.
>
>
>
> [  149.674232] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  159.930310] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  170.186205] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  180.434311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  190.682309] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  200.690176] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  210.938310] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  221.186311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  231.442311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  241.690186] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  251.698288] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  261.946311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  272.194181] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  282.442311] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  292.690310] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  302.938313] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  313.186255] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  323.442329] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  333.698309] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  343.946310] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  354.202166] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  364.450190] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
> [  374.706314] unregister_netdevice: waiting for sit0 to become free. Usage count = 2
>
>
>
> Is this an expected behavior?
>
>
>
> Thanks,
>
> VK

Same answer than the other thread :

Nope, I already have a fix, but it depends on a pending patch.

https://patchwork.kernel.org/project/netdevbpf/patch/20210330064551.545964-1-eric.dumazet@gmail.com/

(I need the patch being merged to add a corresponding Fixes: tag)

You can try the attached patch :