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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

SOORAJ S, given you have different hardware than the original reporter, it will help immensely if you filed a new report with the Ubuntu repository kernel (not mainline/upstream) via a terminal:
ubuntu-bug linux

Please feel free to subscribe me to it.

For more on why this is helpful, please see
https://wiki.ubuntu.com/ReportingBugs.

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https://bugs.launchpad.net/bugs/1459985

Title:
  10ec:8168 r8169 ethernet stops working after a while

Status in linux package in Ubuntu:
  Triaged

Bug description:
  I have a lenovoE540  laptop with a r8169 wired onboard ethernet. When
  the computer is started, ethernet works fine for about 20-30 minutes.
  After that network stops working.

  dmesg shows that initially the link is up and stays up:

  [   41.806656] r8169 0000:04:00.0 eth0: link up

  There are no other networking related messages. Networking starts
  working again if I disconnect and connect again the cable. After this
  networking works until computer is shut down.

  This is reproducible and happens to me every day. There are also other
  reports on r8169 issues but I didn't find a matching bug report on
  launchpad. This happens only to this computer on network, so I doubt
  it's a DHCP or other network misconfiguration issue.

  http://askubuntu.com/questions/615423/ethernet-connection-randomly-
  disconnects-after-transmit-queue-0-timed-out

  http://forums.linuxmint.com/viewtopic.php?f=90&t=177544

  https://bugs.launchpad.net/ubuntu/+source/linux-backports-
  modules-3.0.0/+bug/839393

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-18-generic 3.19.0-18.18
  ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
  Uname: Linux 3.19.0-18-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  vranki     2683 F.... pulseaudio
  CurrentDesktop: X-Cinnamon
  Date: Fri May 29 12:48:08 2015
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=71d76087-3fdf-4f57-a0f4-0b128be4d386
  InstallationDate: Installed on 2015-02-12 (105 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: LENOVO 20C600LLMS
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-18-generic root=UUID=e114ca99-f1c7-450f-a4a5-553075d92b7c ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-18-generic N/A
   linux-backports-modules-3.19.0-18-generic  N/A
   linux-firmware                             1.143.1
  SourcePackage: linux
  UpgradeStatus: Upgraded to vivid on 2015-05-12 (16 days ago)
  dmi.bios.date: 03/04/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: J9ET98WW (2.18 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20C600LLMS
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrJ9ET98WW(2.18):bd03/04/2015:svnLENOVO:pn20C600LLMS:pvrThinkPadEdgeE540:rvnLENOVO:rn20C600LLMS:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20C600LLMS
  dmi.product.version: ThinkPad Edge E540
  dmi.sys.vendor: LENOVO

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