[bug #32998] grub-mkrescue ISO images bootable as disk (like isohybrid) but not mountable within Linux

[Josh Triplett]

URL:
  <http://savannah.gnu.org/bugs/?32998>

                 Summary: grub-mkrescue ISO images bootable as disk (like
isohybrid) but not mountable within Linux
                 Project: GNU GRUB
            Submitted by: joshtriplett
            Submitted on: Mon 04 Apr 2011 07:55:31 PM PDT
                Category: None
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Bazaar - trunk
         Reproducibility: Every Time
         Planned Release: None

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Details:

grub-mkrescue creates .iso images which include a magic hard disk partition
table and boot sector at the beginning, making them work either as a bootable
CD or as a bootable USB disk, like isohybrid disks. However, unlike isohybrid
disks, the disk images built by grub-mkrescue will not mount on a normal Linux
system.  dmesg says "ISOFS: Unable to identify CD-ROM format.".





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