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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

Public bug reported:

This is an attempted install of Wily via MaaS.

The system times out trying to find a rood device:

Begin: Loading essential drivers ... done.
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ... Begin: Loading multipath modules ... Success: loaded module dm-multipath.
Failure: failed to load module dm-emc.
done.
Begin: Discovering multipaths ... done.
  Warning: Disk has a valid GPT signature but invalid PMBR.
  Assuming this disk is *not* a GPT disk anymore.
  Use gpt kernel option to override.  Use GNU Parted to correct disk.
done.
Begin: Running /scripts/local-premount ... Begin: Waiting for udev to settle (multipath) ... done.
done.
Gave up waiting for root device.  Common problems:
 - Boot args (cat /proc/cmdline)
   - Check rootdelay= (did the system wait long enough?)
   - Check root= (did the system wait for the right device?)
 - Missing modules (cat /proc/modules; ls /dev)
ALERT!  /dev/mapper/mpath0-part2 does not exist.  Dropping to a shell!
[  220.697138] hidraw: raw HID events driver (C) Jiri Kosina
[  220.699043] usbcore: registered new interface driver usbhid
[  220.699089] usbhid: USB HID core driver


BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs)

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed

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

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https://bugs.launchpad.net/bugs/1551938

Title:
  Wily: kernel fails to boot on ppc64el after cloud-init install &
  reboot

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  This is an attempted install of Wily via MaaS.

  The system times out trying to find a rood device:

  Begin: Loading essential drivers ... done.
  Begin: Running /scripts/init-premount ... done.
  Begin: Mounting root file system ... Begin: Running /scripts/local-top ... Begin: Loading multipath modules ... Success: loaded module dm-multipath.
  Failure: failed to load module dm-emc.
  done.
  Begin: Discovering multipaths ... done.
    Warning: Disk has a valid GPT signature but invalid PMBR.
    Assuming this disk is *not* a GPT disk anymore.
    Use gpt kernel option to override.  Use GNU Parted to correct disk.
  done.
  Begin: Running /scripts/local-premount ... Begin: Waiting for udev to settle (multipath) ... done.
  done.
  Gave up waiting for root device.  Common problems:
   - Boot args (cat /proc/cmdline)
     - Check rootdelay= (did the system wait long enough?)
     - Check root= (did the system wait for the right device?)
   - Missing modules (cat /proc/modules; ls /dev)
  ALERT!  /dev/mapper/mpath0-part2 does not exist.  Dropping to a shell!
  [  220.697138] hidraw: raw HID events driver (C) Jiri Kosina
  [  220.699043] usbcore: registered new interface driver usbhid
  [  220.699089] usbhid: USB HID core driver

  
  BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
  Enter 'help' for a list of built-in commands.

  (initramfs)

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