Subject: Re: [PATCH v2 net] amd-xgbe: synchronize KR training with device operations

From: Jakub Kicinski <[email-masked]>
Date: Fri, 20 Mar 2026 19:55:13 -0700

On Wed, 18 Mar 2026 14:46:08 +0530 Raju Rangoju wrote:
> During 10GBASE-KR link training, the PHY state machine can be corrupted
> if device stop or rate change operations are initiated while training is
> in progress. This manifests as:
> 
>   - Link stability issues after interface down/up cycles
>   - PHY state machine lockups requiring a full driver reset
>   - Intermittent link failures on Inphi re-driver configurations

Please take a look at this AI review, the locking race looks legit:

https://sashiko.dev/#/message/20260318091608.1266381-1-Raju.Rangoju%40amd.com
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pw-bot: cr