[Bug 1664731] Re: zesty lvm install hangs while creating device mapper device

[Launchpad Bug Tracker]

This bug was fixed in the package os-prober - 1.74ubuntu1

---------------
os-prober (1.74ubuntu1) zesty; urgency=medium

  * Merge from Debian unstable. (LP: #1664731)  Remaining changes:
    - Mount btrfs subvolume @ when present to access a btrfs formatted
      rootfs.
    - When called with WINOSDATA, return the list of Windows partitions
      containing the system instead of only listing these containing the
      bootrecord.
    - Sort detected kernels by modification time, if possible.

 -- Mathieu Trudel-Lapierre <cyphermox at ubuntu.com>  Mon, 06 Mar 2017
17:05:41 -0500

** Changed in: os-prober (Ubuntu Zesty)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1664731

Title:
  zesty lvm install hangs while creating device mapper device

Status in debian-installer package in Ubuntu:
  Invalid
Status in os-prober package in Ubuntu:
  Fix Released
Status in debian-installer source package in Zesty:
  Invalid
Status in os-prober source package in Zesty:
  Fix Released
Status in os-prober package in Debian:
  Fix Released

Bug description:
  Using the ISO dated 20170214, the install appears to hang while
  'Running "update-grub"...'. Changing to console 4 the last message is:

  50mounted-tests: debug: creating device mapper device /dev/mapper
  /osprober-linux-vda1

  During a successful install the following messages are printed and the
  install completes:

  50mounted-tests: debug: creating device mapper device /dev/mapper/osprober-linux-sda1
  50mounted-tests: debug: mounting /dev/mapper/osprober-linux-sda1 (/dev/sda1) as LVM2_member failed: mount: mounting: /dev/mapper/osprober-linux-sda1 on /var/lib/os-prober/mount failed: No such device
  50mounted-tests: debug: remove device mapper device /dev/mapper/osprober-linux-sda1
  os-prober: debug: /dev/mapper/ubuntu--vg-swap_1: is active swap

  On a recent instance of this I killed the dmsetup job and the install completed successfully. Something during the create is causing the
  lockup.  

  The preseed used is available [1], however you should be able to do a
  default install using the ppc64el ISO to reproduce this as LVM is now
  the default. The server LVM ISO tests [2] have been failing
  consistently on ppc64el and intermittently on i386 and amd64.

  [1] https://bazaar.launchpad.net/~ubuntu-server-qa/ubuntu-test-cases/server-tests-raring/view/head:/preseeds/lvm.preseed
  [2] https://platform-qa-jenkins.ubuntu.com/view/server/

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