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[Bug 1588421] Re: linux: 4.6 kernel fails to boot on ppc64el multi-path system


Comparing that to the working 4.4 kernel it looks like device handler
fails to receive valid data. The info should look like this:

[    1.653229] sd 0:2:0:0: alua: supports implicit TPGS
[    1.653395] sd 0:2:0:0: alua: port group c339 rel port c339
[    1.653426] sd 0:2:0:0: alua: rtpg failed with 8070002
[    1.653459] sd 0:2:0:0: alua: port group c339 state A preferred supports TOlUSNA
[    1.653616] sd 0:2:0:0: Attached scsi generic sg13 type 0

While the exact symptoms differ, this sounds a bit like there might be
some relation to the device scan problems that are seen on zSeries (LP:

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

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

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  linux: 4.6 kernel fails to boot on ppc64el multi-path system

Status in linux package in Ubuntu:

Bug description:

  Provisioned modoc (ppc64el) with stock Xenial, then installed the
  above kernel. It eventually times out attempting to mount rootfs and
  drops to the busybox prompt.

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