Booting from NFS

From Openmoko

(Difference between revisions)
Jump to: navigation, search
 
(Exchg bootloader with U-Boot)
 
(6 intermediate revisions by 5 users not shown)
Line 1: Line 1:
To boot from NFS, add the following entry via serial console: (See  [[Bootloader]] section on how to access an bootloader):
+
=== Configure NFS Root ===
  
setenv bootargs_nfs root=/dev/nfs nfsroot=192.168.0.200:/export/openmoko ip=192.168.0.202:192.168.0.200:192.168.0.200:255.255.255.0:ezx:usb0:off rootdelay=5 console=ttySAC0,115200 console=tty0 loglevel=8
+
To boot from NFS, add the following entry via serial console: (See [[U-Boot]] section on how to access an bootloader):
 
+
setenv menu_5 Boot from NFS: setenv bootargs \${bootargs_nfs} \${mtdparts} \; nand read.e 0x32000000 kernel\; bootm 0x32000000
+
  
 +
setenv bootargs_nfs root=/dev/nfs nfsroot=192.168.0.200:/export/openmoko
 +
    ip=192.168.0.202:192.168.0.200:192.168.0.200:255.255.255.0:ezx:usb0:off
 +
    rootdelay=5 console=ttySAC0,115200 console=tty0 loglevel=8
 +
 +
setenv menu_5 Boot from NFS: setenv bootargs \${bootargs_nfs} \${mtdparts} \;
 +
    nand read.e 0x32000000 kernel\; bootm 0x32000000
 +
 
  saveenv
 
  saveenv
 +
 +
 +
=== Use Static MAC Addresses ===
 +
 +
The random MAC addresses generated by the USB Ethernet gadget code caused me some grief on the host side.  To generate static addresses, I added the following variable to the menu_5 bootargs:
 +
 +
setenv bootargs_usb g_ether.host_addr=00:1b:11:1b:08:18 g_ether.dev_addr=00:1b:11:1b:08:19
 +
 +
 +
=== Configure Your Firewall ===
 +
 +
Another thing to keep in mind is your firewall.  I was getting messages like this:
 +
 +
Looking up port of RPC 100003/2 on 192.168.0.200
 +
portmap: server 192.168.0.200 not responding, timed out
 +
Root-NFS: Unable to get nfsd port number from server, using default
 +
Looking up port of RPC 100005/1 on 192.168.0.200
 +
portmap: server 192.168.0.200 not responding, timed out
 +
Root-NFS: Unable to get mountd port number from server, using default
 +
mount: server 192.168.0.200 not responding, timed out
 +
Root-NFS: Server returned error -5 while mounting /srv/root
 +
 +
After I updated my firewall to pass NFS traffic over the interface to the Neo1973, everything worked smoothly.
 +
 +
[[Category:Developer resources]]

Latest revision as of 09:36, 10 February 2012

[edit] Configure NFS Root

To boot from NFS, add the following entry via serial console: (See U-Boot section on how to access an bootloader):

setenv bootargs_nfs root=/dev/nfs nfsroot=192.168.0.200:/export/openmoko
    ip=192.168.0.202:192.168.0.200:192.168.0.200:255.255.255.0:ezx:usb0:off
    rootdelay=5 console=ttySAC0,115200 console=tty0 loglevel=8

setenv menu_5 Boot from NFS: setenv bootargs \${bootargs_nfs} \${mtdparts} \;
    nand read.e 0x32000000 kernel\; bootm 0x32000000

saveenv


[edit] Use Static MAC Addresses

The random MAC addresses generated by the USB Ethernet gadget code caused me some grief on the host side. To generate static addresses, I added the following variable to the menu_5 bootargs:

setenv bootargs_usb g_ether.host_addr=00:1b:11:1b:08:18 g_ether.dev_addr=00:1b:11:1b:08:19


[edit] Configure Your Firewall

Another thing to keep in mind is your firewall. I was getting messages like this:

Looking up port of RPC 100003/2 on 192.168.0.200
portmap: server 192.168.0.200 not responding, timed out
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 192.168.0.200
portmap: server 192.168.0.200 not responding, timed out
Root-NFS: Unable to get mountd port number from server, using default
mount: server 192.168.0.200 not responding, timed out
Root-NFS: Server returned error -5 while mounting /srv/root

After I updated my firewall to pass NFS traffic over the interface to the Neo1973, everything worked smoothly.

Personal tools

To boot from NFS, add the following entry via serial console: (See Bootloader section on how to access an bootloader):

setenv bootargs_nfs root=/dev/nfs nfsroot=192.168.0.200:/export/openmoko ip=192.168.0.202:192.168.0.200:192.168.0.200:255.255.255.0:ezx:usb0:off rootdelay=5 console=ttySAC0,115200 console=tty0 loglevel=8
setenv menu_5 Boot from NFS: setenv bootargs \${bootargs_nfs} \${mtdparts} \; nand read.e 0x32000000 kernel\; bootm 0x32000000
saveenv