[Bug 1647166] [NEW] systemd-networkd Lost wlan0 carrier although it is always there and strong

Sun Dec 4 15:37:50 UTC 2016

Public bug reported:

On Ubuntu 16.10 4.8 with systemd 231-9ubuntu1

Wlan0 carrier is lost now and then although there is no apparent reason:
the signal which is broadcasted by the nearby AP remains always strong
just a few feet away.

All the related logs are attached.

What could trigger the error message "systemd-networkd[2940]: wlan0:
Lost carrier" (line 577 in log) other than a weak signal?

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: lost-carrier systemd-networkd

** Attachment added: "Logs"
   https://bugs.launchpad.net/bugs/1647166/+attachment/4787322/+files/WiFi-troubleshoot.log

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Title:
  systemd-networkd Lost wlan0 carrier although it is always there and
  strong

Status in systemd package in Ubuntu:
  New

Bug description:
  On Ubuntu 16.10 4.8 with systemd 231-9ubuntu1

  Wlan0 carrier is lost now and then although there is no apparent
  reason: the signal which is broadcasted by the nearby AP remains
  always strong just a few feet away.

  All the related logs are attached.

  What could trigger the error message "systemd-networkd[2940]: wlan0:
  Lost carrier" (line 577 in log) other than a weak signal?

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