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[Bug 1497005] [NEW] JMicron JMC250 Gigabit ethernet doesn't work

 

Public bug reported:

Laptop ASUS X52JU can't connect to the router ASUS RT-AC68U via ethernet. NetworkManager shows that cable is unplugged. Router has Gigabit ethernet ports and laptop doesn't see them. I found that it's a bug of the JMC kernel module. 
I tried to use 
sudo ethtool -s eth0 speed 100 duplex full
but I would like to be able to use Gigabit LAN.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-49-generic 3.16.0-49.65~14.04.1
ProcVersionSignature: Ubuntu 3.16.0-49.65~14.04.1-generic 3.16.7-ckt15
Uname: Linux 3.16.0-49-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.13
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Sep 17 23:27:06 2015
InstallationDate: Installed on 2015-06-16 (92 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux-lts-trusty (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

** Package changed: linux-lts-utopic (Ubuntu) => linux-lts-trusty
(Ubuntu)

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https://bugs.launchpad.net/bugs/1497005

Title:
  JMicron JMC250 Gigabit ethernet doesn't work

Status in linux-lts-trusty package in Ubuntu:
  New

Bug description:
  Laptop ASUS X52JU can't connect to the router ASUS RT-AC68U via ethernet. NetworkManager shows that cable is unplugged. Router has Gigabit ethernet ports and laptop doesn't see them. I found that it's a bug of the JMC kernel module. 
  I tried to use 
  sudo ethtool -s eth0 speed 100 duplex full
  but I would like to be able to use Gigabit LAN.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-49-generic 3.16.0-49.65~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-49.65~14.04.1-generic 3.16.7-ckt15
  Uname: Linux 3.16.0-49-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.13
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Sep 17 23:27:06 2015
  InstallationDate: Installed on 2015-06-16 (92 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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