Sheng,

Try adding a --kopts options like

root=/dev/ram rw




2008/9/19 Sheng.Zheng <[EMAIL PROTECTED]>

> hello
> We are running cobbler-1.2.4-1 on RHEL5.2. Created initrd.img and
> vmlinuz on another server(Fedora9) by livecd-iso-to-pxeboot command and
> added the files as a distro to cobbler. All the steps are same as this
> howto: https://fedorahosted.org/cobbler/wiki/HowToPxeAnyLiveCd
> PXE can boot and download the big initrd.img but cannot find the rootfs.
> Show me error like below:
>
> ---------------------
> md: autorun ...
> md: ... autorun DONE
> VFS: Cannot open root device "Fedora-9-i686-Live.iso" or unknown-block(0,0)
> Please append a correct "root=" boot option;here are the available
> partitions:
> 0100 16384 ram0 (driver?)
> 0101 16384 ram1 (driver?)
> 0102 16384 ram2 (driver?)
> ...
> ...
> ...
> 010e 16384 ram14 (driver?)
> 010f 16384 ram15 (driver?)
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
> ----------------------
>
> My pxelinux configuration file for the client created by cobbler:
> /tftpboot/pxelinux.cfg/01-00-16-3e-aa-bb-cc
> ------------------
> default linux
> prompt 0
> timeout 1
> label linux
> kernel /images/liveFedora9/Fedora9-i686-live-vmlinuz.img
> append initrd=/images/liveFedora9/Fedora9-i686-live-initrd.img
> rootflags=loop root=/Fedora-9-i686-Live.iso syslog=10.0.0.135:25150
> rootfstype=iso9660 kssendmac
> ks=http://10.0.0.135/cblr/svc/op/ks/system/testvm
> -------------------
> Any idea?
> Thank you in advance
>
> --Sheng
>
>
>
>
>
>
>
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