[syslinux] Isolinux bug/missing feature

Michael K Ter Louw mterlouw at gmx.net
Sun May 5 11:41:40 PDT 2002


Hi Peter,

While testing I noticed a problem with the launching of comboot files.
When you start a comboot, the user command line text is copied to the
comboot's PSP, but the default append options or the virtual kernel
append options are not copied.  This means I can't have an isolinux.cfg
as follows:

default bscript
label bscript
	kernel bscript.cbt
	append myscript.txt

because Isolinux will not append the option for the default script file.
I've verified that this is a problem in the source code.  One other
thing I noticed is that append options aren't appended to the end of the
command line, they are rather inserted between the kernel name and the
user command line text.  So when booting a Linux kernel you get the
effect of this:

[kernel name] [append options] [user command line options]

instead of:

[kernel name] [user command line options] [append options]

I don't use Linux, so I don't know if this is a problem for your users.
Just thought I'd mention it because the documentation leads you to
believe that the append options are added to the end of the command
line, and conceivably some applications may react differently based on
the order of parameters sent to it.

Mike




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