Re: [PATCH] Carrier detect ok, don't turn off negotiation

From: David Miller
Date: Mon Jan 22 2018 - 15:25:24 EST


From: Denis Du <dudenis2000@xxxxxxxx>
Date: Tue, 16 Jan 2018 16:58:25 +0000 (UTC)

> From b5902a4dfc709b62b704997ab64f31c9ef69a6db Mon Sep 17 00:00:00 2001
> From: Denis Du <dudenis2000@xxxxxxxx>
> Date: Mon, 15 Jan 2018 17:26:06 -0500
> Subject: [PATCH] netdev: carrier detect ok, don't turn off negotiation
>
> Sometimes when physical lines have a just good noise to make the protocol
> handshaking fail, but the carrier detect still good. Then after remove of
> the noise, nobody will trigger this protocol to be start again to cause
> the link to never come back. The fix is when the carrier is still on, not
> terminate the protocol handshaking.
>
> Signed-off-by: Denis Du <dudenis2000@xxxxxxxx>

The timer is supposed to restart the protocol again, that's how this
whole thing is designed to work.

I think you are making changes to the symptom rather than the true
cause of the problems you are seeing.

Sorry, I will not apply this until the exact issue is better
understood.

Thank you.