[Bug 1387976] Re: Unable to boot with persistent data enabled

[Mathieu Trudel-Lapierre]

You probably shouldn't remove the use of the preseed file anyway as
suggested by that comment, it's usually not going to fix anything, and
might get you an incomplete or incorrect install.

As for these messages, they don't appear to be as being anything to
worry about, especially if it pauses at 'Scanning disc' for a while. Are
you saying that no matter how long you wait, it does not ever get you a
desktop, and you keep having the 'No medium found' and 'Device or
resource busy' errors showing up afterwards? It seems like this may
indicate a different issue related to video, especially if you see the
screen flicker a bit on the way.

I don't think this is an issue with usb-creator since we see the image
has booted, but for lack of an idea what else could be at fault, I'll
just leave this as a bug against usb-creator for now.

** Changed in: usb-creator (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1387976

Title:
  Unable to boot with persistent data enabled

Status in usb-creator package in Ubuntu:
  Incomplete

Bug description:
  As said on "askubuntu" http://askubuntu.com/q/543675/29219 , I was
  unable to boot an usb stick created with usb-creator-gtk with
  persistence data enabled (usb-creator-gtk from Ubuntu 12.04 LTS
  Desktop, target image : Ubuntu 14.04.1 Desktop).

  Here was the looping message when booting, paused a while on the "Scanning disc for index files..." part:
  stdin: Not a typewriter
  umount: can't umount /cdrom: Device or resource busy
  /init: line 7: can't open /dev/sr0: No medium found
  stdin: Not a typewriter
  /init: line 7: can't open /dev/sr0: No medium found
  stdin: Not a typewriter
  umount: can't umount /cdrom: Device or resource busy
  /init: line 7: can't open /dev/sr0: No medium found
  stdin: Not a typewriter
  /init: line 7: can't open /dev/sr0: No medium found
  stdin: Not a typewriter
  umount: can't umount /cdrom: Device or resource busy
  /init: line 7: can't open /dev/sr0: No medium found
  Generating locales...
    fr_FR.UTF-8... done
  Generation complete.
  pwconv: failed to change the mode of /etc/passwd- to 0600
  Using CD-ROM mount point /cdrom
  Identifying... [d0f03a23b18ebd55964c351e853c5b6f-2]
  Scanning disc for index files...
  stdin: Not a typewriter
  stdin: Not a typewriter
  stdin: Not a typewriter
  stdin: Not a typewriter
  umount: can't umount /cdrom: Device or resource busy
  /init: line 7: can't open /dev/sr0: No medium found
  stdin: Not a typewriter
  /init: line 7: can't open /dev/sr0: No medium found
  stdin: Not a typewriter
  umount: can't umount /cdrom: Device or resource busy
  /init: line 7: can't open /dev/sr0: No medium found
  stdin: Not a typewriter
  /init: line 7: can't open /dev/sr0: No medium found
  stdin: Not a typewriter
  umount: can't umount /cdrom: Device or resource busy
  /init: line 7: can't open /dev/sr0: No medium found
  Generating locales...
    fr_FR.UTF-8... done
  Generation complete.
  pwconv: failed to change the mode of /etc/passwd- to 0600
  Using CD-ROM mount point /cdrom
  Identifying... [d0f03a23b18ebd55964c351e853c5b6f-2]
  Scanning disc for index files...

  I tried the workaround proposed there
  https://bugs.launchpad.net/ubuntu/+source/usb-
  creator/+bug/492301/comments/17 without any success.

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