[Bug 1165342] [NEW] Installer crashed while deleting disc partition

[Robert Hawkins]

Public bug reported:

I was deleting disc partitions to make space for the Ubuntu
installation. I had already removed one partition, and on deleting a
second, the installer crashed, giving me the following traceback in a
pop-up window:-

Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_components/PartitionModel.py", line 111, in parent
    parentItem = childItem.parent()
AttributeError: 'Partition' object has no attribute 'parent'

I then noticed that five identical pop-up windows had appeared, all on
top of each other, and containing the same traceback information.

In case it is relevant: The disc had 9 partitions, some primary and some
logical, and they weren't arranged in numerical order.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: ubiquity 2.14.1
ProcVersionSignature: Ubuntu 3.8.0-16.26-generic 3.8.5
Uname: Linux 3.8.0-16-generic x86_64
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
CasperVersion: 1.330
Date: Sat Apr  6 09:38:12 2013
InstallCmdLine: file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity initrd=/casper/initrd.lz quiet splash --
LiveMediaBuild: Kubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130402.1)
MarkForUpload: True
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug kubuntu raring ubiquity-2.14.1

** Attachment added: "partman"
   https://bugs.launchpad.net/bugs/1165342/+attachment/3625409/+files/partman

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Title:
  Installer crashed while deleting disc partition

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