lkml.org 
[lkml]   [2020]   [Sep]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3] e1000e: Increase iteration on polling MDIC ready bit
On Fri, Sep 25, 2020 at 12:45:42AM +0800, Kai-Heng Feng wrote:
> We are seeing the following error after S3 resume:
> [ 704.746874] e1000e 0000:00:1f.6 eno1: Setting page 0x6020
> [ 704.844232] e1000e 0000:00:1f.6 eno1: MDI Write did not complete
> [ 704.902817] e1000e 0000:00:1f.6 eno1: Setting page 0x6020
> [ 704.903075] e1000e 0000:00:1f.6 eno1: reading PHY page 769 (or 0x6020 shifted) reg 0x17
> [ 704.903281] e1000e 0000:00:1f.6 eno1: Setting page 0x6020
> [ 704.903486] e1000e 0000:00:1f.6 eno1: writing PHY page 769 (or 0x6020 shifted) reg 0x17
> [ 704.943155] e1000e 0000:00:1f.6 eno1: MDI Error
> ...
> [ 705.108161] e1000e 0000:00:1f.6 eno1: Hardware Error
>
> As Andrew Lunn pointed out, MDIO has nothing to do with phy, and indeed
> increase polling iteration can resolve the issue.
>
> The root cause is quite likely Intel ME, since it's a blackbox to the
> kernel so the only approach we can take is to be patient and wait
> longer.

Please could you explain how you see Intel ME being responsible for
this. I'm not convinced.

Andrew

\
 
 \ /
  Last update: 2020-09-24 21:58    [W:0.224 / U:1.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site