[syslinux] Boots from prompt but not from syslinux.cfg

Josef Siemes jsiemes at web.de
Wed Jan 30 04:55:53 PST 2002


Hi,

CheeChun Kok <cheech at pixelmetrix.com> schrieb am 30.01.02:
> I have a problem with syslinux.cfg.  I can boot successfully by typing
> on the boot: prompt but not from an entry in syslinux.cfg.
> 
> The command line is 
> boot: vmlinuz initrd=dvzip1.img root=/dev/ram ramdisk_size=8192<enter>

There was some problem with a trailing space at the end of the
commandline. Maybe this hits you?

> However if I enter the label of the kernel to boot, it fails to run
> /sbin/init and in its absence /sbin/sh.  The kernel boots correctly but
> gets stuck after the following messages, after which I have to do a hard
> reboot.
> 
> autodetecting RAID arrays
> autorun ...
> ... autorun DONE.
> VFS: Mounted root (ext2 filesystem) readonly.
> Freeing unused kernel memory: 64k freed
> 
> Could it be that the kernel command line is not formed correctly?  Is
> there a way to print out the kernel command line.

You could patch the kernel, if you get it to boot it's in
/proc/cmdline.

> I am trying to create a bootable Iomega Zip disk using an internal Zip
> drive.  After some experimenting, I managed to boot off the disk but am
> getting stuck at what is probably the last step.

> syslinux.cfg
> ============
> DEFAULT dvs
> PROMPT  1
>  
> LABEL dvs
> KERNEL vmlinuz
> APPEND initrd=dvzip1.img root=/dev/ram ramdisk_size=8192
>  
> Software version
> ================                                                                                                                                  
> syslinux version 1.66
> kernel 2.2-15 (RedHat 6.2)

Regards,

Josef

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