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[Bug 1533323] Re: Linux kernel holds lost ethernet connections

 

Patrik Nilsson, thank you for reporting this and helping make Ubuntu
better.

As per http://us.acer.com/ac/en/US/content/drivers an update to your
computer's buggy and outdated BIOS is available (1.29). If you update to
this following https://help.ubuntu.com/community/BIOSUpdate does it
change anything?

For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful. As well, you don't
have to create a new bug report.

Once the BIOS is updated, if the problem is still reproducible:
1) Please provide the output of the following terminal command (not perform an apport-collect):
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
2) Please make a comment specifically advising on if there was an improvement or not.
3) Please mark this report Status Confirmed. If it's not reproducible, please mark this as Invalid.

Thank you for your understanding.


** Tags added: bios-outdated-1.29

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1533323

Title:
  Linux kernel holds lost ethernet connections

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  If a connection to a router is lost while you have active ethernet
  connections to hosts (on the Internet), networking can't be resumed
  before all connections are closed. Many software packages repeatedly
  try to resume their lost connections, which must lead to a human
  intervention to quit all software before the connection to the router
  is re-established.

  Seems as it is the kernel that prevents connections to the router, by
  holding lost connections.

  Even if you in disable networking by selecting "Enable Networking"
  from the drop down menu, and re-enable it, you can't get through to
  the router before all user software has quit and closed all
  connections holding the lost host connections.

  This bug has existed for a long time(=years), but I have never learnt
  what the error could be.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-43-generic 3.19.0-43.49
  ProcVersionSignature: Ubuntu 3.19.0-43.49-generic 3.19.8-ckt10
  Uname: Linux 3.19.0-43-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  patrik     1870 F.... pulseaudio
   /dev/snd/controlC1:  patrik     1870 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 12 19:51:10 2016
  HibernationDevice: RESUME=UUID=541b29a6-2b6e-4caa-989c-9eb69dca7d9f
  InstallationDate: Installed on 2015-07-12 (184 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Acer Aspire V3-331
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-43-generic root=/dev/mapper/hostname--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-43-generic N/A
   linux-backports-modules-3.19.0-43-generic  N/A
   linux-firmware                             1.143.7
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/09/2014
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.05
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Aspire V3-331
  dmi.board.vendor: Acer
  dmi.board.version: V1.05
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.05
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.05:bd06/09/2014:svnAcer:pnAspireV3-331:pvrV1.05:rvnAcer:rnAspireV3-331:rvrV1.05:cvnAcer:ct10:cvrV1.05:
  dmi.product.name: Aspire V3-331
  dmi.product.version: V1.05
  dmi.sys.vendor: Acer

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