[syslinux] VFS: Cannot open root device, pxelinux nfsroot

Josef Siemes jsiemes at web.de
Wed Jun 12 04:55:12 PDT 2002


Hi,

<rob.vogel at hetnet.nl> schrieb am 12.06.02 13:24:51:
> Hi everyone,
> 
> I got the error:
> 
> NET4: Unix domain sockets 1.0/smp for linux NET4.0
> ds: no socket drivers loaded
> request_module[block-major-8]: root fs not mounted
> VFS: Cannot open root device ""or 08:03
> Please append a correct "root"boot option

usually you should see something like
IP-Config [dhcp answer]               
NET4:[..]
Looking up port of RPC 10003/2 on [server IP]
Looking up port of RPC 10005/1 on [server IP]
VFS: Mounted root (nfs filesystem)

Are you sure you have nfsroot in the kernel? Does the client get some IP address
in the kernel? Is the network card in the kernel (*fixed, not as a module!*)?

> /tftpboot/pxelinux.cfg/default I got:
> LABEL  linux
> KERNEL  bzImage
> APPEND root=/dev/nfs ip=dhcp nfsroot=192.168.1.1:/netboot/base

looks correct, you could also leave out the 'root=/dev/nfs'.

Regards,

Josef

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