Booting from NFS
From Openmoko
(Difference between revisions)
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+ | === Configure NFS Root === | ||
+ | |||
To boot from NFS, add the following entry via serial console: (See [[Bootloader]] section on how to access an bootloader): | 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 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 | ||
− | |||
− | + | === 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. |
Revision as of 03:32, 10 September 2007
Configure NFS Root
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
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.