I've been using NFS mounted root for an ARM board for a long time up to Ubuntu 18.04. I have installed a new version 22.04 on a new computer and it doesn't work any more. I can mount a directory on the new host from the old one, but NOT from the ARM.
Here is the message:
eth0: link down
IP-Config: Guessing netmask 255.255.255.0
IP-Config: Complete:
device=eth0, addr=192.168.1.6, mask=255.255.255.0, gw=255.255.255.255,
host=192.168.1.6, domain=, nis-domain=(none),
bootserver=255.255.255.255, rootserver=192.168.1.4, rootpath=
Looking up port of RPC 100003/2 on 192.168.1.4
eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 192.168.1.4
nfs: server 192.168.1.4 not responding, timed out
Here is the same when it works using the old one:
eth0: link down
IP-Config: Guessing netmask 255.255.255.0
IP-Config: Complete:
device=eth0, addr=192.168.1.6, mask=255.255.255.0, gw=255.255.255.255,
host=192.168.1.6, domain=, nis-domain=(none),
bootserver=255.255.255.255, rootserver=192.168.1.2, rootpath=
Looking up port of RPC 100003/2 on 192.168.1.2
eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1
Looking up port of RPC 100005/1 on 192.168.1.2
VFS: Mounted root (nfs filesystem).
What am I missing? Thanks.
No. Time Source Destination Protocol Length Info
8569 7.519158427 192.168.1.6 192.168.1.4 Portmap 130 V2 GETPORT Call (Reply In 8570) NFS(100003) V:2
UDP
8570 7.519427844 192.168.1.4 192.168.1.6 Portmap 70 V2 GETPORT Reply (Call In 8569) PROGRAM_NOT_AVAI
LABLE
8622 7.525121157 192.168.1.6 192.168.1.4 Portmap 130 V2 GETPORT Call (Reply In 8625) MOUNT(100005) V:
1 UDP
8625 7.525387948 192.168.1.4 192.168.1.6 Portmap 70 V2 GETPORT Reply (Call In 8622) Port:32838
8637 7.526350163 192.168.1.6 192.168.1.4 MOUNT 82 V1 NULL Call (Reply In 8640)
8640 7.526488086 192.168.1.4 192.168.1.6 MOUNT 66 V1 NULL Reply (Call In 8637)
8648 7.526967595 192.168.1.6 192.168.1.4 MOUNT 130 V1 MNT Call (Reply In 8650) /home/super8
8650 7.529473271 192.168.1.4 192.168.1.6 MOUNT 102 V1 MNT Reply (Call In 8648)
8663 7.531654612 192.168.1.6 192.168.1.4 NFS 82 V2 NULL Call
8664 7.531679818 192.168.1.4 192.168.1.6 ICMP 110 Destination unreachable (Port unreachable)
8685 8.628828192 192.168.1.6 192.168.1.4 NFS 82 [RPC retransmission of #8663]V2 NULL Call
8686 8.628878863 192.168.1.4 192.168.1.6 ICMP 110 Destination unreachable (Port unreachable)
8721 10.828441664 192.168.1.6 192.168.1.4 NFS 82 [RPC retransmission of #8663]V2 NULL Call
8722 10.828494033 192.168.1.4 192.168.1.6 ICMP 110 Destination unreachable (Port unreachable)