[Bug 838161] Re: guided partitoning for entire disk creates empty partitions

[Georg]

No worries. I tried with the image http://cdimage.ubuntu.com/kubuntu
/daily-live/current/oneiric-desktop-i386.iso synchronized with zsync Tue
Oct  4 20:40:01 CST 2011

To be sure, I also create a completely new disk for this test.
Interestingly, the installer crashed when it was almost done, but I have
not had any opportunity to investigate that further. However, I figured
the disks had already been partitioned, so I started a live session and
ran sfdisk. The result is listed below (Note I installed on /dev/sdb,
the second drive):

I also attach the definition file for the virtual machine, in case it
helps.


ubuntu at ubuntu:~$ sudo sfdisk -l

Disk /dev/sda: 1958 cylinders, 255 heads, 63 sectors/track
Warning: extended partition does not start at a cylinder boundary.
DOS and Linux will interpret the contents differently.
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sda1   *      0+   1827-   1828-  14680064   83  Linux
/dev/sda2       1827+   1957-    131-   1045505    5  Extended
/dev/sda3          0       -       0          0    0  Empty
/dev/sda4          0       -       0          0    0  Empty
/dev/sda5       1827+   1957-    131-   1045504   82  Linux swap / Solaris

Disk /dev/sdb: 1958 cylinders, 255 heads, 63 sectors/track
Warning: extended partition does not start at a cylinder boundary.
DOS and Linux will interpret the contents differently.
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sdb1          0+   1827-   1828-  14680064   83  Linux
/dev/sdb2       1827+   1957-    131-   1045505    5  Extended
/dev/sdb3          0       -       0          0    0  Empty
/dev/sdb4          0       -       0          0    0  Empty
/dev/sdb5       1827+   1957-    131-   1045504   82  Linux swap / Solaris

Disk /dev/sdc: 522 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sdc1          0+    521     522-   4192933+  83  Linux
/dev/sdc2          0       -       0          0    0  Empty
/dev/sdc3          0       -       0          0    0  Empty
/dev/sdc4          0       -       0          0    0  Empty


** Attachment added: "Virtual Box Machine Settings"
   https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/838161/+attachment/2508053/+files/Ubuntu%20Testing.vbox

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https://bugs.launchpad.net/bugs/838161

Title:
  guided partitoning for entire disk creates empty partitions

Status in “ubiquity” package in Ubuntu:
  Incomplete

Bug description:
  Platform: VirtualBox 4.0.12 r72916 on Ubuntu 10.04 2.6.38-11 generic
  OS: [Kubuntu] oneiric-desktop-i386.iso (Beta 1 20110831)

  Steps to reproduce:
  1) Start machine with Live CD present
  2) Select "Start Kubuntu"
  3) Choose Swedish language
  4) Select "Install Kubuntu"
  5) Click "Forward" to get to the disk partition options
  6) Select "Guided" and "Entire Disk"
  7) Complete installation with default options
  8) Wait for installation to complete
  9) Open a terminal and enter "sudo sfdisk -l"

  Expected Result:
  - 3 partitions, 1 swap, 1 Linux and 1 extended

  Actual Result
  - 5 partitions, 1 swap, 1 Linux, 1 extended and 2 empty

  Here is the result of my "sudo sfdisk -l" (Sorry it's in Swedish, but
  basically it lists sda3 and sda4 as empty ("Tom").

  Disk /dev/sda: 1958 cylindrar, 255 huvuden, 63 sektorer/spår
  Varning: utökad partition börjar inte på jämn cylindergräns.
  DOS och Linux kommer att tolka innehållet annorlunda.
  Enheter = cylindrar med 8225280 byte, block med 1024 byte, räknat från 0

     Enhet Start Början   Slut     Cyl.     Block   Id  System
  /dev/sda1   *      0+   1827-   1828-  14680064   83  Linux
  /dev/sda2       1827+   1957-    131-   1045505    5  Utökad
  /dev/sda3          0       -       0          0    0  Tom
  /dev/sda4          0       -       0          0    0  Tom
  /dev/sda5       1827+   1957-    131-   1045504   82  Linux växling / Solaris

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.0.0-9.15-generic 3.0.3
  Uname: Linux 3.0.0-9-generic i686
  Architecture: i386
  Date: Wed Aug 31 22:43:38 2011
  InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110831)
  ProcEnviron:
   LANGUAGE=
   LANG=sv_SE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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