[Bug 893707] Re: 20iso_scan fails if "/isodevice" is a read-only device

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: lupin (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/893707

Title:
  20iso_scan fails if "/isodevice" is a read-only device

Status in “lupin” package in Ubuntu:
  Confirmed

Bug description:
  For example, this can happen when one is trying to boot Ubuntu from an
  iso image lying on a locked SD-card.

  Typical output:
  (start)
  Error opening '/dev/sdb1': Read only file system
  Failed to mount '/dev/sdb1': Read only file system
  mount: mounting /dev/sdb1 on /isodevice failed:No such device
  Warning:Cannot mount /dev/sdb1 on /isodevice

  Could not find the ISO /iso/ubuntu.iso
  This could also happen if the file system is not clean because of an operating system crash, an interrupted boot process, an inproper shutdown, or unplugging of a removable device without first unmounting or ejecting it.
  (end)

  Maybe 20iso_scan should try to mount the device read-only after it
  failed to mount it with "rw".

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