Public bug reported:
I booted latest Ubuntu 24.04 Image drop https://oem-
share.canonical.com/partners/limerick/share/kria-24.04/classic-24.04-x04/
on KR260 with Ethernet Cable connected to GEM0 PS ethernet(top - eth1)
connected to DHCP address. At first boot, it does not get a DHCP
address. When I swap the ethernet cable from GEM0 PS to GEM1 PS(bottom
eth0), eth0 gets a DHCP address.
Keeping the cable connected, if I issue a "sudo reboot", this time
around eth0 also does not get an IP and when I swap the cable again to
eth1, it gets an IP. Issue here is that IP address is not persistent
across reboots.
Similar is observed on KV260.
Workaround is as follows:
1. Initial ifconfig
ubuntu@kria:~$ ifconfig
eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 00:0a:35:10:37:f9 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 42
eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 fe80::3864:9bff:fe9e:1b6d prefixlen 64 scopeid 0x20<link>
inet6 2601:647:4200:6870:3864:9bff:fe9e:1b6d prefixlen 64 scopeid
0x0<global>
ether 3a:64:9b:9e:1b:6d txqueuelen 1000 (Ethernet)
RX packets 20 bytes 3286 (3.2 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 7 bytes 630 (630.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 41
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 404 bytes 28928 (28.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 404 bytes 28928 (28.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
2. On every boot run the following to get the uuid of the connected eth
port
ubuntu@kria:~$ nmcli connection show
NAME UUID TYPE DEVICE
eth1 63b15f62-c30a-4ed4-a52e-8e7656587990 ethernet eth1
lo 82707ca4-9673-4854-a692-b8e1478832a1 loopback lo
3. Copy the uuid value for eth1(I have cable connected to GEM0 PS) and
run the following
ubuntu@kria:~$ sudo nmcli connection down 63b15f62-c30a-4ed4-a52e-8e7656587990
[sudo] password for ubuntu:
Connection 'eth1' successfully deactivated (D-Bus active path:
/org/freedesktop/NetworkManager/ActiveConnection/2)
4. Run ifconfig to get an IP on eth1
ubuntu@kria:~$ ifconfig
eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 00:0a:35:10:37:f9 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 42
eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.0.0.73 netmask 255.255.255.0 broadcast 10.0.0.255
inet6 2601:647:4200:6870::1ba1 prefixlen 128 scopeid 0x0<global>
inet6 fe80::a1b7:248d:f617:c55b prefixlen 64 scopeid 0x20<link>
inet6 2601:647:4200:6870:1c7:5ea4:d982:8f1f prefixlen 64 scopeid
0x0<global>
inet6 2601:647:4200:6870:98aa:48c3:fb1:395c prefixlen 64 scopeid
0x0<global>
ether 3a:64:9b:9e:1b:6d txqueuelen 1000 (Ethernet)
RX packets 79 bytes 11997 (11.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 51 bytes 5964 (5.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 41
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 732 bytes 52396 (52.3 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 732 bytes 52396 (52.3 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
** Affects: linux-xilinx-zynqmp (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2084945
Title:
PS Ethernet does not get a DHCP address at boot with latest Ubuntu
24.04 Image
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