kernel-packages team mailing list archive

[Stefan Bader <stefan.bader@xxxxxxxxxxxxx>]

Initial data gathered:
- The base disks seem present
- The multipath modules, too (afaiks)
  dm_round_robin
  dm_multipath
  dm_round_robin
  scsi_dh_alua
- Trying to manually create the multipath mappings fails
  somewhere related to the ALUA device handler.
[  526.285984] sd 0:2:0:0: alua: supports implicit TPGS
[  526.286088] sd 0:2:0:0: alua: No device descriptors found
[  526.286135] sd 0:2:0:0: alua: Attach failed (-22)
[  526.286192] device-mapper: table: 252:0: multipath: error attaching hardware handler

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https://bugs.launchpad.net/bugs/1588421

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

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/9759880/+files/linux-image-4.6.0-6-generic_4.6.0-6.7_ppc64el.deb
  https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/9759880/+files/linux-image-extra-4.6.0-6-generic_4.6.0-6.7_ppc64el.deb

  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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