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[Bug 1548985] Re: After linux kernel update system won't boot

 

Confirming marcin's bug report as well after it failed starting on a TPM error:
"A TPM error (6) occurred attempting to read a pcr value"
The only way for me to get access was to boot from previous base: 4.2.0-27-generic

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https://bugs.launchpad.net/bugs/1548985

Title:
  After linux kernel update system won't boot

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Whenever I try updating packages listed bellow via Software Updater,
  Ubuntu gets stuck on purple screen after restart. No key combination
  seems to do anything. I can login to desktop only via recovery and
  then normal boot option. I'm using Ubuntu 15.10.

  linux-generic 
  installed version 4.2.0.16.18
  available version 4.2.0.30.33

  linux-firmware
  Installed version: 1.149
  Available version: 1.149.3

  linux-headers-generic
  Installed version: 4.2.0.16.18
  Available version: 4.2.0.30.33

  linux-image-generic
  Installed version: 4.2.0.16.18
  Available version: 4.2.0.30.33

  linux-headers-4.2.0-30
  Installed version: None
  Available version: 4.2.0-30.35

  linux-image-extra-4.2.0-30-generic
  Installed version: None
  Available version: 4.2.0-30.35

  linux-libc-dev
  Installed version: 4.2.0-16.19
  Available version: 4.2.0-30.35

  linux-headers-4.2.0-30-generic
  Installed version: None
  Available version: 4.2.0-30.35

  linux-image-4.2.0-30-generic
  Installed version: None
  Available version: 4.2.0-30.35

  I'm not sure if all of them seams to cause the problem.

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References