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[Bug 1210373] Re: kernel crash at veth interface shutdown (net_carrier_off)

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Sun, 04 Oct 2015 12:26:43 -0000
Reply-to: Bug 1210373 <1210373@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Jérôme Petazzoni, thank you for reporting this bug to Ubuntu. linux-lts-raring reached EOL on August 2014.
See the following documents for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases
https://wiki.ubuntu.com/Kernel/LTSEnablementStack

If this is still reproducible in a supported release, please execute the following in a terminal:
apport-collect 1210373

Otherwise, please mark this as Invalid.

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

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

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

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https://bugs.launchpad.net/bugs/1210373

Title:
  kernel crash at veth interface shutdown (net_carrier_off)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When destroying a veth interface when both members of the veth pair
  are up, a kernel bug is triggered.

  How to reproduce:

  ip link add type veth
  ip link set veth0 up
  ip link set veth1 up
  ip link del veth0

  I've uploaded the kernel log to
  https://gist.github.com/jpetazzo/6190928.

  In some cases, it completely locks up the machine. For instance, when
  a LXC ocntainer is stopped, the bug happens, but the machine is then
  frozen (no console, no reply to ping). I've uploaded the corresponding
  kernel log to https://gist.github.com/jpetazzo/6190908.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.8.0-28-generic 3.8.0-28.41~precise1
  ProcVersionSignature: Ubuntu 3.8.0-28.41~precise1-generic 3.8.13.5
  Uname: Linux 3.8.0-28-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.3
  Architecture: amd64
  Date: Fri Aug  9 03:31:01 2013
  MarkForUpload: True
  ProcEnviron:
   SHELL=/bin/bash
   TERM=linux
   LANG=en_US.UTF-8
  SourcePackage: linux-lts-raring
  UpgradeStatus: No upgrade log present (probably fresh install)

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