[Debburn-devel] Problem using genisomage
Thomas Schmitt
scdbackup at gmx.net
Thu Apr 3 11:39:24 UTC 2014
Hi,
by help of a MS-Windows owner i can now confirm that the Boot Image
file etfsboot.com (e.g. in D:\Apps\osmedia\boot\) contains the
following strings
CDBOOT: Cannot boot from CD - Code: 3
CDBOOT: Couldn't find BOOTMGR
CDBOOT: Memory overflow error
Yth;
SVRP
XZ^[
SETUPLDR.BINBOOTMGRBOOTFIX.BINBOOTI386AMD64;1
So it is clear that the El Torito Boot Record of the modified ISO
leads the BIOS to the execution of that file.
The last line looks like a list of filenames. Among them "BOOTMGR".
Maybe somebody with x86 assembler knowledge and access to etfsboot.com
could tell under which circumstances the text
"CDBOOT: Couldn't find BOOTMGR"
is issued and how "BOOTMGR" shall be found.
Adam, can you find out from what file of the ISO (probably in /boot)
contains the message
"FATAL: Could not read from the boot medium! System halted"
Have a nice day :)
Thomas
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