[Bug 1028983] Re: armhf-omap4: a disk formatted with ext4 fails to mount with partman

[Oliver Grawert]

do you still have the device around as it was when it failed (or could
you set it up in the exact same manner as it was when it failed) i
suspect the device was formatted "raw" i.e. without a partition table so
partman finds a partition signature where it looks for a partition
table.

if you still have the device in that state, doing a: 
sudo dd if=/dev/sda of=debug_image.img bs=1M count=1
(indeed with the proper device name for /dev/sda here)

and attaching the resulting debug_image.img might help is to inspect the
issue a bit more.

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https://bugs.launchpad.net/bugs/1028983

Title:
  armhf-omap4: a disk formatted with ext4 fails to mount with partman

Status in “partman-base” package in Ubuntu:
  Confirmed
Status in “partman-base” source package in Quantal:
  Confirmed

Bug description:
  Pandaboard ES, armhf-omap4 Alpha3 20120725.3. Using an already
  configured, ext4, single partition memory stick causes partman/kernel
  to fail to recognise the volume.

  Installation can continue, and retrying "detect disks" will now show
  the memory stick as /dev/sda.

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