[Bug 909919] Re: scripts/casper-bottom/41apt_cdrom is missing some sanity checking, can cause hang on boot

[Launchpad Bug Tracker]

This bug was fixed in the package casper - 1.327

---------------
casper (1.327) quantal; urgency=low

  [ Tim Lunn ]
  * add gnome-shell favorites tweak to 25adduser
  * Add 16gdmnopasswd script, removes gdm password dialog for live user.

  [ Stéphane Graber ]
  * Fix casper when running on some RAID systems. (LP: #1047316, LP: #965735)
  * Apply patch by Tyler Gates to try and better handle dm devices, should help
    with the above change too. (LP: #865529)
  * Use /sys/class/net/ instead of hardcoded eth* devices.
    (LP: #905828, LP: #962546)
  * Allow overriding username/userfullname/hostname on the boot command line
    as is mentioned in the manpage but was never implemented.
    Note that when using persistence, those used for the first boot will be
    remembered through /etc/casper.conf (LP: #907482)
  * Reset oem-config/enable to false every boot. (LP: #838680)
  * Add Breaks/Replaces to ubiquity-casper to properly upgrade when both
    casper and ubiquity-casper are installed. (LP: #1046300)
  * Apply patch by cleary to avoid hang in 41apt_cdrom when .disk/info doesn't
    exist. (LP: #909919)
  * Eject by block device instead of mountpoint, this should avoid ejecting
    the cdrom on USB installations. (LP: #869238)
  * Add 'check' target to debian/rules based on ubiquity's (LP: #570243)
 -- Stephane Graber <stgraber at ubuntu.com>   Wed, 03 Oct 2012 17:46:39 -0400

** Changed in: casper (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/909919

Title:
  scripts/casper-bottom/41apt_cdrom is missing some sanity checking, can
  cause hang on boot

Status in “casper” package in Ubuntu:
  Fix Released

Bug description:
  Distribution Release: 12.04 Precise
  Casper: 1.296

  in scripts/casper-bottom/41apt_cdrom, if an apt repository is not configured in the root of the LiveCD, the script hangs the boot process waiting for input with the message:
  "Please provide a name for this Disc, such as 'Debian 5.0.3 Disk 1"

  Some sort of checking is needed here to see if the conditions required for the apt-cdrom repository are fulfilled, and to fail silently if they are not - I've attached a possible patch:
   * if /README.diskdefines does not exist in the root of the CDROM, exit with no error

   having said that I'm not certain of the role of the
  README.diskdefines file, so it may not be the best choice for
  checking.

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