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[Bug 1541151] Missing required logs.

 

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1541151

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

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

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https://bugs.launchpad.net/bugs/1541151

Title:
  16.04 PPC, unable to boot: "Problem Loading in-kernel X.509
  Certificate (-74)"

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I am not able to boot my  Power Mac 7,3 with the Ubuntu MATE 16.04
  daily-live iso.

  This has been the case since the 4.3.x kernel series and is now with
  current 4.4.x kernel. At the time the 4.2.x kernel was used **booting
  the iso went fine!**

  During the boot-process I get following error messages:

  "Problem Loading in-kernel X.509 Certificate (-74)"
  [...]
  mount: mounting /dev/sda10 on /cdrom failed: no such device
  stdin: not a typewriter
  mount: mounting /dev/sda9 on /cdrom failed: no such device
  mount: mounting /dev/sr0 on /cdrom failed: no such device
  [...]
  (initramfs) unable to find a medium containing a live file system

  The stdin: and mount: lines get repeated several 10 time. At last the
  boot process stops wuth the (initramfs) line, dropping me in a busybox
  shell.

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