I've tried some other MBs with the same Lan chip configuration but I did
not see the same issue.
It's probably not the driver issue. What I suspect is Lan chip firmware or
bios issue.
Does anyone know where "ATTRS{index}=="1" come from?
Thanks
Paul
2017-03-23 1:04 GMT+08:00 Fujinaka, Todd <todd.fujin...@intel.com>:
> Someone else might reply here, but this is an OS issue rather than a
> driver issue and I'd suggest the Ubuntu forums for support on this issue.
>
> Todd Fujinaka
> Software Application Engineer
> Networking Division (ND)
> Intel Corporation
> todd.fujin...@intel.com
> (503) 712-4565
>
>
> -----Original Message-----
> From: Paul Tsvika [mailto:mozloverin...@gmail.com]
> Sent: Wednesday, March 22, 2017 1:35 AM
> To: e1000-devel@lists.sourceforge.net
> Subject: [E1000-devel] Intel i210 - igb information
>
> Hi all,
>
> Before addressing my question, below is my system configuration:
>
> MB: SUPERMICRO X10SBA
> Lan chip: Intel® i210AT dual port GbE LAN - two lan ports available on
> the board
> OS: Ubuntu 16.04
>
> As far as I know, the network naming mechanism has been changed since
> Ubuntu 15.10 and its newer version, udev will follow the rule to assign the
> network interface name:
>
> * Predictable network interface device names based on:
> * - firmware/bios-provided index numbers for on-board devices
>
> By using udevadm to get more information about these two lan ports (
> detail log can be found in the attachment ):
>
> 1. Two lan chips report the same index
> * ATTRS{index}=="1"*
>
> 2. Based on the udev, one network interface is named eno1 <---- the number
> "1" is because of reporting from index
> However, the other one is incorrect, it's interface name is "rename3"
>
> 3. The system boots very slow due to the race condition of network naming (
> eno1 is taken and the other one keeps trying to get this and then finally
> gave up )
>
> 4. I revert back to the original network interface naming rule ( eth0,
> eth1... ), the system boots as fast as I expect.
>
> Question:
>
> 1. My understanding is that the index value should be unique. Since the
> board has two lan ports, the index value should not be the same. If i am
> wrong, please correct me.
>
> 2. I traced udev and igb. The value reported by udevadm is obtained from
> */sys/class/net/xxx*. I assume the information in */sys/class/net/xxx *is
> reported from igb driver.
>
> 3. Hence, where is *ATTRS{index}=="1" *reported from, should it be Lan
> chip firmware or bios ?
>
>
> Any discussion is appreciated.
>
>
> Thanks
>
>
>
> Paul
>
> --
> P.T
>
--
P.T
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