Re: Auto-negotiation - Out of business

On Wed, 2016-11-23 at 19:12 +0100, poma wrote:
Salute Giudici,
NOTE: changed the default value for auto-negotiate from TRUE to

It not only leads to maximum network interface deceleration
    Advertised link modes:  Not reported
    Advertised auto-negotiation: No
    Speed: 10Mb/s
    Auto-negotiation: off
but in some cases, because of an over zealous power management,
the device is disconnected - connection remains down.

So this is the question;
How to configure ethernet 'auto-negotiate' -globally- within the
to return to modus operandi prior to this change,
without changing the source code:
$ sed -i 's/  FALSE/  TRUE/' libnm-core/nm-setting-wired.c

prior to this, the fields auto-negotiate, speed and duplex existed in
the API, but they were not applied.

The new defaults are
  auto-negotiate: FALSE*
  speed: 0
  duplex: NULL
(*) is the change of the default.
The new default should cause NM not to change the link properties.

What values do you have set there?
What does the (debug) logfile say regarding "set-link:"

The problem seems to be, that old versions of NetworkManager eagerly
to keyfile...


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