Manual partionning: ubiquity crashed when I clicked on "change the partition"

[Romain Perier]

Hello,

when I tested the Kubuntu Desktop image (amd64) with manual partionning, ubiquity crashed when I tried to change a partition : I created two ext4 partitions (/ and /home) with a swap partition. I changed the first mount point to "/" and the second to "/home", ubiquity crashed when I tried to change the second one (when I clicked on "change").

The test was done through VirtualBox

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: ubiquity 2.7.24
ProcVersionSignature: Ubuntu 3.0.0-9.15-generic 3.0.3
Uname: Linux 3.0.0-9-generic x86_64
Architecture: amd64
CasperVersion: 1.280
Date: Wed Aug 31 17:39:48 2011
LiveMediaBuild: Kubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110831)
ProcEnviron:
 LANGUAGE=
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Charlie Kravetz (cjkgeek)]

I can confirm this issue. It seems to happen only if there are more than two partitions on the hard drive and you attempt to "change" one.

[Stéphane Graber (stgraber)]

I reproduced it once and got the following stacktrace:
http://paste.ubuntu.com/679259

I fixed the crash handler part of it but the other crashes don't make much sense to me.
The TreeItem class always has a parentItem attribute as it's created by its constructor and as far as i can tell isn't being messed with by anything in the code.

I couldn't find another definition of Treeitem somewhere else which could have overriden the one in PartitionModel.

Unfortunately I can't reproduce it reliably so I can't really debug it. If someone can indeed reproduce it every time around, please write complete step by step instructions so I can try to get the same here.

Attaching your /var/log/ubiquity/debug file may be helpful too once my other fix is in (so the crash handler doesn't crash).

[dino99 (9d9)]

This version has expired