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

Krylov Ivan 893707 at bugs.launchpad.net
Tue Nov 22 18:29:35 UTC 2011


Public bug reported:

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".

** Affects: lupin (Ubuntu)
     Importance: Undecided
         Status: New

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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:
  New

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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