apport information

** Attachment added: "ProcInterrupts.txt"
   
https://bugs.launchpad.net/bugs/1545542/+attachment/5021815/+files/ProcInterrupts.txt

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https://bugs.launchpad.net/bugs/1545542

Title:
  Enable arm64 emulation of removed ARMv7 instructions

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Wily:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  Linux now supports emulation of three deprecated ARMv7 features that
  were removed from ARMv8: SWP(B), CP15ISB/DSB/DMB, and SETEND. At least
  CP15DMB is used by some armhf archive binaries (notably pandoc), so we
  need emulation enabled on the kernels that scalingstack uses.

  I haven't checked which version added which, but they appeared some
  time between 3.13 and 4.2, and I only care about 4.2 onwards. So
  please enable ARMV8_DEPRECATED, SWP_EMULATION, CP15_BARRIER_EMULATION
  and SETEND_EMULATION in arm64 kernels for wily onwards.

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