[Bug 1215458] Re: Auto-partitioning with LVM on Advanced Format Disks causes parted_server segfault

[Dmitrijs Ledkovs]

** Also affects: ubiquity (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: ubiquity (Ubuntu)
       Status: New => Fix Released

** Changed in: ubiquity (Ubuntu Precise)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1215458

Title:
  Auto-partitioning with LVM on Advanced Format Disks causes
  parted_server segfault

Status in The Dell PowerEdge project:
  Fix Committed
Status in “partman-basicfilesystems” package in Ubuntu:
  Fix Released
Status in “ubiquity” package in Ubuntu:
  Fix Released
Status in “partman-basicfilesystems” source package in Precise:
  Fix Committed
Status in “ubiquity” source package in Precise:
  In Progress

Bug description:
  When installing Ubuntu Server 13.10 (as well as 13.04, 12.10, and
  12.04.{2,3}) on Advanced Format hard drives with native 4k/4k sectors,
  we encounter a crash in partman_server when electing to auto-partition
  using LVM.  This also happens on the desktop versions.

  Steps to reproduce:

  1) Obtain a 4k/4k Advanced Format drive.
  2) Begin installing Ubuntu Server 13.10.
  3) At the partitioning phase select the "Guided - Use Entire Disk and Configure LVM" option.

  Actual Results:
  Once that is selected, the installer will try to partition the disk, but then it won't move past that point.  If you switch over the Ctrl+Alt+F4 screen you'll see a segfault in parted_server.    I've attached the crash dump from a recent attempt on the 13.10 desktp version. 

  Expected Results:
  Successful auto-partitioning using LVM.

  Notes:
  Manual partitioning and auto-partitioning without LVM works fine.  No crashes and the installer runs to completion.

  If no Advanced Format disk is available, this could possibly be
  replicated using qemu like so:

   qemu-system-x86_64 -enable-kvm -monitor stdio -m 1024 -bios
  /usr/share/ovmf/OVMF.fd -cdrom raring-mini-amd64.iso -global ide-
  drive.physical_block_size=4096 -global ide-
  drive.logical_block_size=4096 -drive
  file=t.img,if=ide,index=0,media=disk

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