[Bug 1463043] Re: some SM15K systems fail to boot after deployment - drop into initramfs shell

[Scott Moser]

** Changed in: curtin
       Status: Confirmed => Fix Committed

** Description changed:

  Some SM15K fail to boot after told to localboot.
  
- 
  Related bugs:
-  * bug 1463046:  installation of multipath-tools-boot can break boot 
+  * bug 1463046:  installation of multipath-tools-boot can break boot
+  * bug 1462530:  multipath errors on vivid and wily kernel? 
  
  PXE Request - local boot	Sat, 06 Jun. 2015 02:42:40
  Installation complete - Node disabled netboot	Sat, 06 Jun. 2015 02:42:06
  PXE Request - curtin install	Sat, 06 Jun. 2015 02:37:01
  
  After installation and the nodes trying to localboot, I see the
  following error when trying to load the OS:
  
     37.506366] e1000 0000:08:00.1 eth7: Intel(R) PRO/1000 Network Connection
  Begin: Loading essential drivers[ 38.721471] random: nonblocking pool is initialized
   ... done.
  Begin: Running /scripts/init-premount ... done.
  Begin: Mounting r[ 38.871904] hidraw: raw HID events driver (C) Jiri Kosina
  oot file system [ 38.942606] usbcore: registered new interface driver usbhid
  [ 39.023798] usbhid: USB HID core driver
  ... Begin: Running /scripts/local-top ... Begin: Loading multipath modules ... Success: loaded module dm-multipath.
  Failure: failed to load module dm-emc.
  done.
  Begin: Waiting for scsi storage ... done.
  Begin: Discovering multipaths ... done.
  done.
  Begin: Running /scripts/local-premount ... done.
  mount: mounting /dev/disk/by-uuid/feaa393b-1aeb-4a0d-bd00-76b7dd8bc99b on /root failed: Device or resource busy
  Begin: Running /scripts/local-bottom ... done.
  done.
  Begin: Running /scripts/init-bottom ... mount: mounting /dev on /root/dev failed: No such file or directory
  done.
  mount: mounting /sys on /root/sys failed: No such file or directory
  mount: mounting /proc on /root/proc failed: No such file or directory
  Target filesystem doesn't have requested /sbin/init.
  No init found. Try passing init= bootarg.
  
  The installation log shows:
  
  invoke-rc.d: policy-rc.d denied execution of start.
  update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
  Processing triggers for ureadahead (0.100.0-16) ...
  Setting up multipath-tools-boot (0.4.9-3ubuntu10) ...
  update-initramfs: deferring update (trigger activated)
  Processing triggers for libc-bin (2.19-10ubuntu2.3) ...
  Processing triggers for initramfs-tools (0.103ubuntu8) ...
  update-initramfs: Generating /boot/initrd.img-3.16.0-31-generic
  df: Warning: cannot read table of mounted file systems
  update-initramfs: Generating /boot/initrd.img-3.16.0-31-generic
  df: Warning: cannot read table of mounted file systems
  Replacing config file /etc/default/grub with new version
  Generating grub configuration file ...
  Found linux image: /boot/vmlinuz-3.16.0-31-generic
  Found initrd image: /boot/initrd.img-3.16.0-31-generic
  done
  Generating grub configuration file ...
  Found linux image: /boot/vmlinuz-3.16.0-31-generic
  Found initrd image: /boot/initrd.img-3.16.0-31-generic
  done
  Installing for i386-pc platform.
  Installation finished. No error reported.
  
  This is with:
  ii  maas                             1.8.0~rc3+bzr3997-0ubuntu1~trusty1 all
  
  and
  
  ii  curtin-common                    0.1.0~bzr213-0ubuntu1~ppa0         all          Library and tools for curtin installer
  ii  python-curtin                    0.1.0~bzr213-0ubuntu1~ppa0         all          Library and tools for curtin installer
  
  Following workaround was applied to trusty and precise preseeds:
  
  $ tail -n 3 /etc/maas/preseeds/curtin_userdata
  multipath:
     mode: disabled
  
  and system deployed ok.

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https://bugs.launchpad.net/bugs/1463043

Title:
  some SM15K systems fail to boot after deployment - drop into initramfs
  shell

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