Network Fail on Rev C boards

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James S

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Jan 22, 2018, 7:19:02 AM1/22/18

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We have some legacy software running on BB White and BB Black (PCB Rev B6) for a while. Recently we have to build some more and using the Rev C BBB, the network fails to start. We are booting Debian from the same SD card, version 3.8.13-bone67.

Can anyone tell me why the more recent hardware stops the network working? How can I get it going again?

Looking at the revision history on the schematics, the only difference from Rev B to Rev C is the larger eMMC.

Thanks,

James

ifconfig gives the following output:

eth0 Link encap:Ethernet HWaddr 38:d2:69:57:93:ed

inet6 addr: fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed/64 Scope:Global

inet6 addr: fe80::3ad2:69ff:fe57:93ed/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:87010 errors:0 dropped:7 overruns:0 frame:0

TX packets:79 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:7151565 (6.8 MiB) TX bytes:16941 (16.5 KiB)

Interrupt:40

lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

inet6 addr: ::1/128 Scope:Host

UP LOOPBACK RUNNING MTU:65536 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

usb0 Link encap:Ethernet HWaddr 92:7f:c3:3b:c8:09

inet addr:192.168.7.2 Bcast:192.168.7.3 Mask:255.255.255.252

UP BROADCAST MULTICAST MTU:1500 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

The following is part of the output of journalctl. It seems to show attempts to connect to the network?

Oct 09 01:28:04 beaglebone systemd[1]: Starting Multi-User System.

Oct 09 01:28:04 beaglebone systemd[1]: Reached target Multi-User System.

Oct 09 01:28:04 beaglebone systemd[1]: Starting Graphical Interface.

Oct 09 01:28:04 beaglebone systemd[1]: Reached target Graphical Interface.

Oct 09 01:28:04 beaglebone systemd[1]: Starting Update UTMP about System Runlevel Changes...

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: Joining mDNS multicast group on interface usb0.IPv4 with address 192.168.7.2.

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: New relevant interface usb0.IPv4 for mDNS.

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: Registering new address record for 192.168.7.2 on usb0.IPv4.

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: Withdrawing address record for 192.168.7.2 on usb0.

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: Leaving mDNS multicast group on interface usb0.IPv4 with address 192.168.7.2.

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: Interface usb0.IPv4 no longer relevant for mDNS.

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: Joining mDNS multicast group on interface usb0.IPv4 with address 192.168.7.2.

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: New relevant interface usb0.IPv4 for mDNS.

Oct 09 01:28:05 beaglebone avahi-daemon[1206]: Registering new address record for 192.168.7.2 on usb0.IPv4.

Oct 09 01:28:05 beaglebone udhcpd[1518]: udhcpd (v1.20.2) started

Oct 09 01:28:05 beaglebone kernel: IPv6: ADDRCONF(NETDEV_UP): usb0: link is not ready

Oct 09 01:28:05 beaglebone systemd[1]: Started Update UTMP about System Runlevel Changes.

Oct 09 01:28:05 beaglebone systemd[1]: Startup finished in 8.601s (kernel) + 15.137s (userspace) = 23.738s.

Oct 09 01:28:06 beaglebone dhclient[1540]: isc-dhclient-4.2.2

Oct 09 01:28:06 beaglebone dhclient[1541]: isc-dhclient-4.2.2

Oct 09 01:28:12 beaglebone login[1226]: pam_unix(login:session): session opened for user root by LOGIN(uid=0)

Oct 09 01:28:12 beaglebone systemd-journal[210]: Forwarding to syslog missed 62 messages.

Oct 09 01:28:12 beaglebone login[1546]: ROOT LOGIN on '/dev/ttyO0'

Oct 09 01:28:13 beaglebone kernel: net eth0: initializing cpsw version 1.12 (0)

Oct 09 01:28:13 beaglebone kernel: net eth0: phy found : id is : 0x7c0f1

Oct 09 01:28:13 beaglebone kernel: libphy: PHY 4a101000.mdio:01 not found

Oct 09 01:28:13 beaglebone kernel: net eth0: phy 4a101000.mdio:01 not found on slave 1

Oct 09 01:28:13 beaglebone kernel: IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready

Oct 09 01:28:16 beaglebone kernel: libphy: 4a101000.mdio:00 - Link is Up - 100/Full

Oct 09 01:28:16 beaglebone kernel: IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

Oct 09 01:28:17 beaglebone avahi-daemon[1206]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::3ad2:69ff:fe57:93ed.

Oct 09 01:28:17 beaglebone avahi-daemon[1206]: New relevant interface eth0.IPv6 for mDNS.

Oct 09 01:28:17 beaglebone avahi-daemon[1206]: Registering new address record for fe80::3ad2:69ff:fe57:93ed on eth0.*.

Oct 09 01:28:19 beaglebone avahi-daemon[1206]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::3ad2:69ff:fe57:93ed.

Oct 09 01:28:19 beaglebone avahi-daemon[1206]: Joining mDNS multicast group on interface eth0.IPv6 with address fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed.

Oct 09 01:28:19 beaglebone avahi-daemon[1206]: Registering new address record for fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed on eth0.*.

Oct 09 01:28:19 beaglebone avahi-daemon[1206]: Withdrawing address record for fe80::3ad2:69ff:fe57:93ed on eth0.

Oct 09 01:28:20 beaglebone dhclient[1576]: Internet Systems Consortium DHCP Client 4.2.2

Oct 09 01:28:20 beaglebone dhclient[1576]: For info, please visit https://www.isc.org/software/dhcp/

Oct 09 01:28:20 beaglebone dhclient[1576]:

Oct 09 01:28:20 beaglebone dhclient[1576]: Listening on LPF/eth0/38:d2:69:57:93:ed

Oct 09 01:28:20 beaglebone dhclient[1576]: Sending on LPF/eth0/38:d2:69:57:93:ed

Oct 09 01:28:20 beaglebone dhclient[1576]: Sending on Socket/fallback

Oct 09 01:28:20 beaglebone dhclient[1576]: DHCPRELEASE on eth0 to 192.168.1.1 port 67

Oct 09 01:28:20 beaglebone dhclient[1576]: send_packet: Network is unreachable

Oct 09 01:28:20 beaglebone dhclient[1576]: send_packet: please consult README file regarding broadcast address.

Oct 09 01:28:20 beaglebone avahi-daemon[1206]: Interface eth0.IPv6 no longer relevant for mDNS.

Oct 09 01:28:20 beaglebone avahi-daemon[1206]: Leaving mDNS multicast group on interface eth0.IPv6 with address fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed.

Oct 09 01:28:20 beaglebone avahi-daemon[1206]: Withdrawing address record for fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed on eth0.

Oct 09 01:28:20 beaglebone kernel: net eth0: initializing cpsw version 1.12 (0)

Oct 09 01:28:20 beaglebone kernel: net eth0: phy found : id is : 0x7c0f1

Oct 09 01:28:20 beaglebone kernel: libphy: PHY 4a101000.mdio:01 not found

Oct 09 01:28:20 beaglebone kernel: net eth0: phy 4a101000.mdio:01 not found on slave 1

Oct 09 01:28:20 beaglebone kernel: IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready

Oct 09 01:28:21 beaglebone dhclient[1604]: Internet Systems Consortium DHCP Client 4.2.2

Oct 09 01:28:21 beaglebone dhclient[1604]: For info, please visit https://www.isc.org/software/dhcp/

Oct 09 01:28:21 beaglebone dhclient[1604]:

Oct 09 01:28:21 beaglebone dhclient[1604]: Listening on LPF/eth0/38:d2:69:57:93:ed

Oct 09 01:28:21 beaglebone dhclient[1604]: Sending on LPF/eth0/38:d2:69:57:93:ed

Oct 09 01:28:21 beaglebone dhclient[1604]: Sending on Socket/fallback

Oct 09 01:28:21 beaglebone dhclient[1604]: DHCPRELEASE on eth0 to 192.168.1.1 port 67

Oct 09 01:28:21 beaglebone dhclient[1604]: send_packet: Network is unreachable

Oct 09 01:28:21 beaglebone dhclient[1604]: send_packet: please consult README file regarding broadcast address.

Oct 09 01:28:21 beaglebone kernel: net eth0: initializing cpsw version 1.12 (0)

Oct 09 01:28:21 beaglebone kernel: net eth0: phy found : id is : 0x7c0f1

Oct 09 01:28:21 beaglebone kernel: libphy: PHY 4a101000.mdio:01 not found

Oct 09 01:28:21 beaglebone kernel: net eth0: phy 4a101000.mdio:01 not found on slave 1

Oct 09 01:28:21 beaglebone kernel: IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready

Oct 09 01:28:23 beaglebone kernel: libphy: 4a101000.mdio:00 - Link is Up - 100/Full

Oct 09 01:28:23 beaglebone kernel: IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

Oct 09 01:28:23 beaglebone dhclient[1613]: Internet Systems Consortium DHCP Client 4.2.2

Oct 09 01:28:23 beaglebone dhclient[1613]: For info, please visit https://www.isc.org/software/dhcp/

Oct 09 01:28:23 beaglebone dhclient[1613]:

Oct 09 01:28:23 beaglebone dhclient[1613]: Listening on LPF/eth0/38:d2:69:57:93:ed

Oct 09 01:28:23 beaglebone dhclient[1613]: Sending on LPF/eth0/38:d2:69:57:93:ed

Oct 09 01:28:23 beaglebone dhclient[1613]: Sending on Socket/fallback

Oct 09 01:28:23 beaglebone dhclient[1613]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4

Oct 09 01:28:24 beaglebone avahi-daemon[1206]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::3ad2:69ff:fe57:93ed.

Oct 09 01:28:24 beaglebone avahi-daemon[1206]: New relevant interface eth0.IPv6 for mDNS.

Oct 09 01:28:24 beaglebone avahi-daemon[1206]: Registering new address record for fe80::3ad2:69ff:fe57:93ed on eth0.*.

Oct 09 01:28:25 beaglebone avahi-daemon[1206]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::3ad2:69ff:fe57:93ed.

Oct 09 01:28:25 beaglebone avahi-daemon[1206]: Joining mDNS multicast group on interface eth0.IPv6 with address fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed.

Oct 09 01:28:25 beaglebone avahi-daemon[1206]: Registering new address record for fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed on eth0.*.

Oct 09 01:28:25 beaglebone avahi-daemon[1206]: Withdrawing address record for fe80::3ad2:69ff:fe57:93ed on eth0.

Oct 09 01:28:27 beaglebone dhclient[1613]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5

Oct 09 01:28:32 beaglebone dhclient[1613]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9

Oct 09 01:28:41 beaglebone dhclient[1613]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 12

Oct 09 01:28:53 beaglebone dhclient[1613]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11

Oct 09 01:29:04 beaglebone dhclient[1613]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 14

Oct 09 01:29:18 beaglebone dhclient[1613]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6

Oct 09 01:29:24 beaglebone dhclient[1613]: No DHCPOFFERS received.

Oct 09 01:29:24 beaglebone dhclient[1613]: No working leases in persistent database - sleeping.

Oct 09 01:29:27 beaglebone dhclient[1645]: Internet Systems Consortium DHCP Client 4.2.2

Oct 09 01:29:27 beaglebone dhclient[1645]: For info, please visit https://www.isc.org/software/dhcp/

Oct 09 01:29:27 beaglebone dhclient[1645]:

Oct 09 01:29:27 beaglebone dhclient[1645]: Listening on LPF/eth0/38:d2:69:57:93:ed

Oct 09 01:29:27 beaglebone dhclient[1645]: Sending on LPF/eth0/38:d2:69:57:93:ed

Oct 09 01:29:27 beaglebone dhclient[1645]: Sending on Socket/fallback

Oct 09 01:29:28 beaglebone dhclient[1645]: DHCPRELEASE on eth0 to 192.168.1.1 port 67

Oct 09 01:29:28 beaglebone dhclient[1645]: send_packet: Network is unreachable

Oct 09 01:29:28 beaglebone dhclient[1645]: send_packet: please consult README file regarding broadcast address.

Oct 09 01:29:28 beaglebone avahi-daemon[1206]: Interface eth0.IPv6 no longer relevant for mDNS.

Oct 09 01:29:28 beaglebone avahi-daemon[1206]: Leaving mDNS multicast group on interface eth0.IPv6 with address fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed.

Oct 09 01:29:28 beaglebone avahi-daemon[1206]: Withdrawing address record for fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed on eth0.

Oct 09 01:29:28 beaglebone kernel: net eth0: initializing cpsw version 1.12 (0)

Oct 09 01:29:28 beaglebone kernel: net eth0: phy found : id is : 0x7c0f1

Oct 09 01:29:28 beaglebone kernel: libphy: PHY 4a101000.mdio:01 not found

Oct 09 01:29:28 beaglebone kernel: net eth0: phy 4a101000.mdio:01 not found on slave 1

Oct 09 01:29:28 beaglebone kernel: IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready

Oct 09 01:29:30 beaglebone kernel: libphy: 4a101000.mdio:00 - Link is Up - 100/Full

Oct 09 01:29:30 beaglebone kernel: IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

Oct 09 01:29:31 beaglebone avahi-daemon[1206]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::3ad2:69ff:fe57:93ed.

Oct 09 01:29:31 beaglebone avahi-daemon[1206]: New relevant interface eth0.IPv6 for mDNS.

Oct 09 01:29:31 beaglebone avahi-daemon[1206]: Registering new address record for fe80::3ad2:69ff:fe57:93ed on eth0.*.

Oct 09 01:29:33 beaglebone avahi-daemon[1206]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::3ad2:69ff:fe57:93ed.

Oct 09 01:29:33 beaglebone avahi-daemon[1206]: Joining mDNS multicast group on interface eth0.IPv6 with address fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed.

Oct 09 01:29:33 beaglebone avahi-daemon[1206]: Registering new address record for fd78:6a89:d8ad:3100:3ad2:69ff:fe57:93ed on eth0.*.

Oct 09 01:29:33 beaglebone avahi-daemon[1206]: Withdrawing address record for fe80::3ad2:69ff:fe57:93ed on eth0.

Oct 09 01:29:35 beaglebone sh[1213]: hwclock: Cannot access the Hardware Clock via any known method.

Oct 09 01:29:35 beaglebone sh[1213]: hwclock: Use the --debug option to see the details of our search for an access method.

Oct 09 01:42:41 beaglebone systemd[1]: Starting Cleanup of Temporary Directories...

Oct 09 01:42:41 beaglebone systemd[1]: Started Cleanup of Temporary Directories.

root@beaglebone:~# cat /etc/network/interfaces

# This file describes the network interfaces available on your system

# and how to activate them. For more information, see interfaces(5).

# The loopback network interface

auto lo

iface lo inet loopback

# The primary network interface

#auto eth0

#iface eth0 inet dhcp

# Example to keep MAC address between reboots

#hwaddress ether DE:AD:BE:EF:CA:FE

# The secondary network interface

#auto eth1

#iface eth1 inet dhcp

# WiFi Example

#auto wlan0

#iface wlan0 inet dhcp

# wpa-ssid "essid"

# wpa-psk "password"

# Ethernet/RNDIS gadget (g_ether)

# ... or on host side, usbnet and random hwaddr

# Note on some boards, usb0 is automaticly setup with an init script

iface usb0 inet static

address 192.168.7.2

netmask 255.255.255.0

network 192.168.7.0

gateway 192.168.7.1

amf

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Jan 22, 2018, 9:31:58 AM1/22/18

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if you want dhcp on eth0 then uncomment

#auto eth0

#iface eth0 inet dhcp

if you want a static ip on eth0, then do like you have on usb0

amf

James S

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Jan 22, 2018, 11:33:20 AM1/22/18

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James S

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Jan 22, 2018, 11:38:00 AM1/22/18

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Thanks for the reply but that doesn't work. Remember, the same SD card worked for the White and the older BBB - but not on the Rev C PCB. Why does Rev C PCB stop this card working?