[mythtv-users] FC5 Diskless boot woes

Don Bossung donald at bossung.net
Fri Mar 23 12:57:28 UTC 2007

I know that this may not be the appropriate forum for this problem, but I am
hoping the someone here has had a similar problem as I am getting nowhere
fast with other lists and google searches.


Here we go.


I am using

FC5 2.6.20 x86_64
the machine is running
tftpserver 41-1.2.1
dhcp 11:3.0.3-28
system-config-netboot 1.40-1.FC5

Mythtv 0.20-154


The above is my backend and I am trying to setup a diskless workstation to
use as a frontend.


On the backend I:

Followed the system-config-netboot docs at
/usr/share/doc/system-config-netboot-1.40-1 using seciton 2 of this document
steps 1-6

For my setup machine I installed vmware server 1.02 on the above box and
then setup a FC5 vm from cd iso with text install and no additional
packages. Post install I used yum to update and then group install X Desktop
Enviroment and KDE (K Desktop Environment) and MythtvFrontend.

After following the docs above I booted the remote machine (Celeron D 2.88
1G RAM no drives) The pxe boot and kernel load goes fine until the following
error occurs:

RAMDIKSK: Compressed image found at block 0
EXT2-fs: blocksize too small for device
attempt to access beyond end of device
ram0: rw=0, want=18446744056529682440, limit=44184
isofs_fill_super: bread failed, dev=ram0, iso_blknum=17, block=2147483648
No filesystem could mount root, tried: ext2 iso9660
Kernel panic - not synching: VFS: Unable to mount root fs on

I don't get why so many blocks (18 pentillion???) are being requested. I
don't think dhcp/tftp is the culprit as I am getting the kernel. Could it be
that I used vmware as the base for creating the base image used by netboot
on the remote machine?


BTW, I used the vmlinuz and initrd.img from the Fedora Core 5 dvd and was
able to load that with no problem using the same setup.

Again, I know I am way off topic here, but if you have any ideas, let me



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