kernel-packages team mailing list archive

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

Davide, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available (not the daily folder, but the one at the top) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.13-rc4

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

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

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https://bugs.launchpad.net/bugs/381896

Title:
  bad router advertisement lead to disabilitation of ipv6 privacy
  extension

Status in The Linux Kernel:
  Fix Released
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: linux-source

  After enabling IPV6 privacy extension (with echo 2 > /proc/sys/net/ipv6/conf/eth8/use_tempaddr)
  ubuntu autoconfigs, as aspected, ipv6-privacy-extension-addresses and they change every 60 seconds makeing outgoing connection droped every 60 seconds (radvd running on 6to4 prefix with  AdvPreferredLifetime 20 and AdvValidLifetime 30).
  After changing AdvValidLifetime to 300 in radvd (on the router) ubuntu starts getting assigned more and more addresses up to about 15.
  Changing AdvValidLifetime back to 30 lead ubuntu to deconfigure ALL ipv6-privacy-extension-addresses addresses leaving the interface with only the stateless address but interface is still configured to use privacy extension but it's no longer used. So privacy is no longer ensured without any user command but just some crafted ra packets.

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