[Bug 1687623] Re: linux-4.4.0-77.98 was a phased update in -updates only and may become partially installed (was: 4.4.0-77-generic breaks internet on 16.04.2)

[Stefan Bader]

Update-manager is fixed now and as Andy wrote, a change in the process
should prevent this from ever happening again. Unfortunately that does
not help anybody who is already having the problem (at least not if that
means no network connection). And without network it is hard to find any
documents about this on the net.

If network is not affected the remaining kernel packages will get
offered by update-manager (the same way as the apt-get variant). If it
is affected one needs to boot into the previous kernel and I personally
wished the grub boot menu were not hidden away by default (pressing
left-shift at the exactly right time is something I never manage to do).
As long as it is possible to login into the broken system can be enabled
by modifying /etc/default/grub (commenting out the two lines with
GRUB_HIDDEN_... and uncommenting, if needed, the GRUB_TIMEOUT line,
setting it to 5 (seconds)), then "sudo update-grub" and reboot.

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https://bugs.launchpad.net/bugs/1687623

Title:
  linux-4.4.0-77.98 was a phased update in -updates only and may become
  partially installed (was: 4.4.0-77-generic breaks internet on 16.04.2)

Status in linux package in Ubuntu:
  In Progress
Status in update-manager package in Ubuntu:
  Confirmed
Status in linux source package in Xenial:
  In Progress
Status in update-manager source package in Xenial:
  Confirmed

Bug description:
  Hi as per title today I updated to  4.4.0-77-generic on my Lubuntu
  16.04.02 and wifi is not working anymore. When I click on the network
  manager I see "enable networking" (which is toggled) but no more the
  option about wifi.

  I reported this on ubuntuforum:
  https://ubuntuforums.org/showthread.php?t=2360216

  Where a user suggested to revert to an older kernel and see if this
  fixes the problem. I managed to revert to 4.4.0-75-generic via grub
  and everything works perfectly.

  Another user reported a similar issue caused by the same upgrade on
  the same system: https://ubuntuforums.org/showthread.php?t=2360215

  Can someone else confirm this bug?

  If you need more information I will be happy to provide it (I am a
  newbie though so please be patient).

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