[Intel-wired-lan] Intel I350 regression 5.10 -> 5.14 ("The NVM Checksum Is Not Valid") [8086:1521]

[Jakub Kicinski]

On Mon, 04 Oct 2021 15:06:31 +0200 Andreas K. Huettel wrote:
> Dear all, 
> 
> I hope this is the right place to ask, if not please advise me where to go.

Adding intel-wired-lan at lists.osuosl.org and Sasha as well.

> I have a new Dell machine with both an Intel on-board ethernet controller 
> ([8086:15f9]) and an additional 2-port extension card ([8086:1521]). 
> 
> The second adaptor, a "DeLock PCIe 2xGBit", worked fine as far as I could 
> see with Linux 5.10.59, but fails to initialize with Linux 5.14.9.
> 
> dilfridge ~ # lspci -nn
> [...]
> 01:00.0 Ethernet controller [0200]: Intel Corporation I350 Gigabit Network Connection [8086:1521] (rev ff)
> 01:00.1 Ethernet controller [0200]: Intel Corporation I350 Gigabit Network Connection [8086:1521] (rev ff)
> [...]
> 
> dilfridge ~ # dmesg|grep igb
> [    2.069286] igb: Intel(R) Gigabit Ethernet Network Driver
> [    2.069288] igb: Copyright (c) 2007-2014 Intel Corporation.
> [    2.069305] igb 0000:01:00.0: can't change power state from D3cold to D0 (config space inaccessible)
> [    2.069624] igb 0000:01:00.0 0000:01:00.0 (uninitialized): PCIe link lost
> [    2.386659] igb 0000:01:00.0: PHY reset is blocked due to SOL/IDER session.
> [    4.115500] igb 0000:01:00.0: The NVM Checksum Is Not Valid
> [    4.133807] igb: probe of 0000:01:00.0 failed with error -5
> [    4.133820] igb 0000:01:00.1: can't change power state from D3cold to D0 (config space inaccessible)
> [    4.134072] igb 0000:01:00.1 0000:01:00.1 (uninitialized): PCIe link lost
> [    4.451602] igb 0000:01:00.1: PHY reset is blocked due to SOL/IDER session.
> [    6.180123] igb 0000:01:00.1: The NVM Checksum Is Not Valid
> [    6.188631] igb: probe of 0000:01:00.1 failed with error -5
> 
> Any advice on how to proceed? Willing to test patches and provide additional debug info.