[Bug 1610937] Re: After kernel update Kubuntu won't start

[Steve Langasek]

You reported this bug against the 'shim' package.  3.13.0-92-generic is
the first version of the kernel for trusty that introduces a new module
signing enforcement policy; so this could have been related to shim, but
you also report that 3.13.0-91-generic did not boot for you, and that
version did not include the module signing enforcement policy.
Reassigning to the kernel.

** Package changed: shim (Ubuntu) => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1610937

Title:
  After kernel update Kubuntu won't start

Status in linux package in Ubuntu:
  New

Bug description:
  I have Kubuntu 14.04

  # uname -a
  Linux keep 3.13.0-88-generic #135-Ubuntu SMP Wed Jun 8 21:10:42 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
  # lsb_release -rd
  Description:    Ubuntu 14.04.5 LTS
  Release:        14.04

  I can't boot on latest versions of linux kernels provided for Kubuntu
  14.04. Kubuntu shows "Kubuntu" boot logo and PC completely does not
  responds at all for a long time until hardware reboot. The last
  version which I can boot is 3.13.0-88-generic. Next versions:
  3.13.0-91-generic and 3.13.0-92-generic has this trouble.

  I wanted to update to Kubuntu 16.04 but I'm afraid that I will not
  able to boot with latest kernels. From another side I'm not sure that
  problem exactly in kernel.

  I'm ready to provide any additional information.

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