Re: Problem booting with ISA card

[Hemant Joshi <hemantj@ip.eth.net>]

Hi Klaus,
There was problem with Linuz zImage network card driver selection.
So I reconfigured Linux kernel for appropriate network card (NEx000 ISA in
my case). And then it worked.
I was trying an embedded Linux application. The embedded system could run
one application too.

Thanks a lot.
Hemant


On Mon, 05 Mar 2001, Klaus Espenlaub wrote:
> Hemant Joshi wrote:
> > 
> > Hi Marty,
> > Yesterday I repiled you that eb-4.7.20-ne.lzdsk did work.
> > Atleast that the software detected the network card properly and proceed
> > for DHCP.  From the system I could see that the DHCP could assign IP
> > address(192.0.0.9) to the system.Then the system could get Linux image (zImage)
> > from the DHCP server. But while it tried to mount the NFS from NFS server, it
> > said following :
> > 
> > IP-Config : No network devices available.
> > Root:-NFS : No NFS server available, giving up.
> > VFS: Unable to mount root fs via NFS, trying floppy.
> > VFS : Can not open root device 02:00
> > Kernel Panic:VFS: Unable to mount root fs on 02:00
> > 
> > And then no progress.
> > What could be the problem?
> 
> That's an easy one: you didn't compile the driver for the network card into the
> Linux kernel.  Thus it said: no network devices available.  You have to compile
> your own kernel with the suitable driver for your card (NOT as a module!), or
> alternatively use the kernels from the Linux terminal server project (www.ltsp.org).
> 
> Another option (however normally only viable if you have plenty of time and the
> effort is worth it) would be to boot into an initial ramdisk with the NIC driver
> in it and to use the linuxrc script to load it.  But as I said, this is probably
> not worth the effort.
> 
> As a side note: you shouldn't use 192.0.0.0 as an internal network number, as it
> is theoretically in use by someone else and your use may leak out by not properly
> configured dialup connections etc.  The reserved numbers for internal networks
> are either 10.x.x.x, 172.16.x.x or 192.168.x.x (one class A, one class B or 256
> class C networks).
> 
> Greetings
> Klaus
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