[Bug 1042930] Re: partition size error during install of Quantal on Panda board

[Oliver Grawert]

i was actually wondering since we switched to live images if we shouldnt better hide the SD altogether from the partitioner, the main reason to switch to arm live images was actually to avoid any usage of the SD card as rootfs device, simply because of the less than sufficient I/O performance on the SD .. 
while you technically *can* install to SD, this install variant is super fragile, i.e. it might have happened that your going back actually selected to format the partition when going forward again which in turn might have triggered partman to wanting to rewrite the partition table for whatever reason. 
all the installs to source devices i did over the last 5 years were definitely always a matter of luck if they worked or not in the end.

installing to SD shouldnt be a QA usecase at all imho and we should
oprevent the user from falling into that trap

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https://bugs.launchpad.net/bugs/1042930

Title:
  partition size error during install of Quantal on Panda board

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  I was testing using this image: http://cdimage.ubuntu.com/daily-live/20120828.2/quantal-desktop-armhf+omap4.img on a Panda board, I was trying to install to a partition created on a SD card with Gparted  (see these instructions: https://wiki.ubuntu.com/ARM/QA/Pandaboard).
  On the "installation type" window, were you have to select the partition on which to install, I selected the already created ext2 partition previously created on the SD card with gparted, I chose ext2 as filesystem type and / as mount point, when I confirmed, got a message window saying that "Before you can select a new partition size, any prevoius changes have to be written to disk..." (see attached picture).
  I then clicked on "go back" (I did not change the partition size), ubiquity went back to the "installation type" window.
  I clicked on the "install now" button as I saw that the ext2 partition was selected for install as root partition, but got an error message window and Apport took me to the already reported  bug #727842 in firefox, but could not do anything to mark it as affecting me as the bug must be a private one and do not have permission to.
  After this could not do anything else, selecting reboot or switchoff did not do anything, CTRL+ALT+F1 did nothing, CTRL+ALT+CANC made me reboot.

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