[Bug 1012946] Re: dm-part-sync.patch breaks creating multiple partitions on a LVM volume

[Phillip Susi]

It's a bug in our patch, not upstream.  I had forwarded the patch
upstream, but it was never applied.  I'll have to update the patch and
resend it.

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Title:
  dm-part-sync.patch breaks creating multiple partitions on a LVM volume

Status in “parted” package in Ubuntu:
  In Progress
Status in “parted” source package in Precise:
  In Progress
Status in “parted” source package in Quantal:
  In Progress

Bug description:
  # lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 12.04 LTS
  Release:	12.04
  Codename:	precise

  # apt-cache policy parted
  parted:
    Installed: 2.3-8ubuntu5
    Candidate: 2.3-8ubuntu5
    Version table:
   *** 2.3-8ubuntu5 0
          500 http://mirrors.service.softlayer.com/ubuntu/ precise/main amd64 Packages
          100 /var/lib/dpkg/status

  
  # lvcreate -n test -L 10M matrix
    Rounding up size to full physical extent 12.00 MiB
    Logical volume "test" created
  # parted --script -- /dev/matrix/test mklabel msdos
  # parted --script -- /dev/matrix/test mkpart primary ext4 1 2
  # parted --script -- /dev/matrix/test mkpart primary ext4 3 4
  device-mapper: create ioctl failed: Device or resource busy
  Error: Failed to add partition 1 (No such device or address)
  # ls /dev/mapper/matrix-test*
  /dev/mapper/matrix-test
  /dev/mapper/matrix-test1

  If I remove rebuild parted without the dm-part-sync.patch  (actually,
  also without dmraid.patch and udevadm-settle.patch, otherwise it would
  not build), it works properly:

  
  root at matrix:~# lvcreate -n test -L 10M matrix
    Rounding up size to full physical extent 12.00 MiB
    Logical volume "test" created
  root at matrix:~# parted --script -- /dev/matrix/test mklabel msdos
  root at matrix:~# parted --script -- /dev/matrix/test mkpart primary ext4 1 2
  Error: msdos disk labels do not support partition names.
  root at matrix:~# parted --script -- /dev/matrix/test mkpart primary ext4 3 4
  Error: msdos disk labels do not support partition names.
  Error: msdos disk labels do not support partition names.
  root at matrix:~# ls /dev/mapper/matrix-test*
  /dev/mapper/matrix-test
  /dev/mapper/matrix-test1
  /dev/mapper/matrix-test2
  --- 
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  DistroRelease: Ubuntu 12.04
  Package: parted 2.3-8ubuntu5
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm
   LANG=en_US
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
  Tags:  precise
  Uname: Linux 3.2.0-24-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-06-13 (0 days ago)
  UserGroups:

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