On 7/24/22 16:00, Matwey V. Kornilov wrote:
> Hello,
>
> I've just found that the following commit
>
> 648e921888ad ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL")
>
> breaks the ethernet on my Lex 3I380CW (Atom E3845) motherboard. The board is
> equipped with dual Intel I211 based 1Gbps copper ethernet.
It's not going to be simple, it's 4 yr old commit that fixes other
issues with S0i3...
>
> Before the commit I see the following:
>
> igb 0000:01:00.0: added PHC on eth0
> igb 0000:01:00.0: Intel(R) Gigabit Ethernet Network Connection
> igb 0000:01:00.0: eth0: (PCIe:2.5Gb/s:Width x1) 4c:02:89:10:02:e4
> igb 0000:01:00.0: eth0: PBA No: FFFFFF-0FF
> igb 0000:01:00.0: Using MSI-X interrupts. 2 rx queue(s), 2 tx queue(s)
> igb 0000:02:00.0: added PHC on eth1
> igb 0000:02:00.0: Intel(R) Gigabit Ethernet Network Connection
> igb 0000:02:00.0: eth1: (PCIe:2.5Gb/s:Width x1) 4c:02:89:10:02:e5
> igb 0000:02:00.0: eth1: PBA No: FFFFFF-0FF
> igb 0000:02:00.0: Using MSI-X interrupts. 2 rx queue(s), 2 tx queue(s)
>
> while when the commit is applied I see the following:
>
> igb 0000:01:00.0: added PHC on eth0
> igb 0000:01:00.0: Intel(R) Gigabit Ethernet Network Connection
> igb 0000:01:00.0: eth0: (PCIe:2.5Gb/s:Width x1) 4c:02:89:10:02:e4
> igb 0000:01:00.0: eth0: PBA No: FFFFFF-0FF
> igb 0000:01:00.0: Using MSI-X interrupts. 2 rx queue(s), 2 tx queue(s)
> igb: probe of 0000:02:00.0 failed with error -2
>
> Please note, that the second ethernet initialization is failed.
>
>
> See also: http://www.lex.com.tw/products/pdf/3I380A&3I380CW.pdf
