kernel-packages team mailing list archive

[Jeff Lane <jeffrey.lane@xxxxxxxxxxxxx>]

Added this to maas-images.  From chats with Mike, I believe that the
Vivid ephemerals are stable on Power8.

I suspect that what's happening (I have not looked too deeply into this
so this is just a guess for now) that the ephemerals are built at GA
time, and after that point only the filesystem tarball is built for the
point releases/daily images.

So even at 14.04.2, you're installing 14.04.2 filesystem but using a
14.04.0 ephemeral to do so.

Unfortunately, We can not use vivid ephemerals to certify Trusty, so we
need a full stack of Trusty images for the power machines.

This bug is currently gating PowerNV certification so I consider it a
critical bug.

** Also affects: maas-images
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1425699

Title:
  kernel panic on IBM Power8 PPC MAAS ephemeral image

Status in Maas image builders:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Trusty:
  Confirmed

Bug description:
  The kernel running on the 14.04 ephemeral image for MAAS when
  commissioning an IBM Power8 PPC server causes a periodic kernel panic.

  This happens intermittently and cannot be forcefully reproduced.

  The kernel version on the image is 3.13.0-27.50-generic according to
  the boot process.

  Attached is the boot process log with the kernel panics.

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