[Bug 1254374] Re: unable to install 13.10 on Intel RAID0 volume

[Hongyuan Ding]

I have the same exact problem when trying installing Ubuntu 14.04 on my Dell T3600.
I have a RAID0 on hardware RAID. Unless I choose LVM, the installation cannot continue.
The ??? ?? error will show when I try to click "install now".

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https://bugs.launchpad.net/bugs/1254374

Title:
  unable to install 13.10 on Intel RAID0 volume

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Dell Precision T5400, all firmware up-to-date.
  2 x 250GB HDDs, combined into a single RAID0 (striped) volume using Intel onboard RAID.
  (Note: the same system works fine if I attempt to install *without* the Intel RAID volume configured.)

  Ubiquity gets very confused with the /dev/mapper entries when doing manual partitioning, usually - but not always! - displaying bogus p0/p1/p2/p5 entries.
  Doesn't matter if the disks are zeroed beforehand or not, same results.
  Regardless of which partitioning option is chosen (automatic, encrypt, lvm, manual) the installer advances to the tzsetup screen but displays a modal dialog box titled (literally) "??? ???" with the text "??? ???" in it, and the dialog cannot be dismissed.

  Log files attached, syslog is longer and represents a full boot into
  the livecd environment and multiple ubiquity runs, the ubiquity
  logfiles and partman logfiles are from a single, minimal run that
  exhibits the problem.

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