Hello,
I am trying to bringup the wifi network with an ipv4 address on a Cubox-i automatically after boot. Manually, it works: root@outdoor:~# 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). source /etc/network/interfaces.d/* # The loopback network interface auto lo iface lo inet loopback # The primary network interface allow-hotplug end0 iface end0 inet dhcp auto wlan0 iface wlan0 inet dhcp wpa-ssid DLAN wpa-psk <secret> root@outdoor:~# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: end0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether d0:63:b4:00:2b:ac brd ff:ff:ff:ff:ff:ff inet 192.168.7.25/24 brd 192.168.7.255 scope global dynamic end0 valid_lft 43121sec preferred_lft 43121sec inet6 fe80::d263:b4ff:fe00:2bac/64 scope link valid_lft forever preferred_lft forever 3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether b8:5a:f7:82:aa:c2 brd ff:ff:ff:ff:ff:ff inet6 fd8d:5fab:96ee:0:ba5a:f7ff:fe82:aac2/64 scope global dynamic mngtmpaddr valid_lft forever preferred_lft forever inet6 fdea:6e1a:c5b2:0:ba5a:f7ff:fe82:aac2/64 scope global dynamic mngtmpaddr valid_lft forever preferred_lft forever inet6 fe80::ba5a:f7ff:fe82:aac2/64 scope link valid_lft forever preferred_lft forever root@outdoor:~# ifdown wlan0 Killed old client process Internet Systems Consortium DHCP Client 4.4.3-P1 Copyright 2004-2022 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on LPF/wlan0/b8:5a:f7:82:aa:c2 Sending on LPF/wlan0/b8:5a:f7:82:aa:c2 Sending on Socket/fallback DHCPRELEASE of 192.168.2.202 on wlan0 to 192.168.2.1 port 67 ifroot@outdoor:~# ifup wlan0 Internet Systems Consortium DHCP Client 4.4.3-P1 Copyright 2004-2022 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on LPF/wlan0/b8:5a:f7:82:aa:c2 Sending on LPF/wlan0/b8:5a:f7:82:aa:c2 Sending on Socket/fallback DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7 DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7 DHCPOFFER of 192.168.2.202 from 192.168.2.1 DHCPREQUEST for 192.168.2.202 on wlan0 to 255.255.255.255 port 67 DHCPACK of 192.168.2.202 from 192.168.2.1 bound to 192.168.2.202 -- renewal in 16751 seconds. root@outdoor:~# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: end0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether d0:63:b4:00:2b:ac brd ff:ff:ff:ff:ff:ff inet 192.168.7.25/24 brd 192.168.7.255 scope global dynamic end0 valid_lft 43062sec preferred_lft 43062sec inet6 fe80::d263:b4ff:fe00:2bac/64 scope link valid_lft forever preferred_lft forever 3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether b8:5a:f7:82:aa:c2 brd ff:ff:ff:ff:ff:ff inet 192.168.2.202/24 brd 192.168.2.255 scope global dynamic wlan0 valid_lft 43196sec preferred_lft 43196sec inet6 fdea:6e1a:c5b2:0:ba5a:f7ff:fe82:aac2/64 scope global dynamic mngtmpaddr valid_lft forever preferred_lft forever inet6 fd8d:5fab:96ee:0:ba5a:f7ff:fe82:aac2/64 scope global dynamic mngtmpaddr valid_lft forever preferred_lft forever inet6 fe80::ba5a:f7ff:fe82:aac2/64 scope link valid_lft forever preferred_lft forever root@outdoor:~# In the kernel messages I see: [ 19.474457] brcmfmac mmc0:0001:1: firmware: failed to load brcm/ brcmfmac4330-sdio.solidrun,cubox-i-q.bin (-2) [ 19.493647] brcmfmac mmc0:0001:1: firmware: failed to load brcm/ brcmfmac4330-sdio.solidrun,cubox-i-q.bin (-2) [ 19.526434] brcmfmac mmc0:0001:1: firmware: failed to load brcm/ brcmfmac4330-sdio.solidrun,cubox-i-q.txt (-2) [ 19.552764] brcmfmac mmc0:0001:1: firmware: failed to load brcm/ brcmfmac4330-sdio.solidrun,cubox-i-q.txt (-2) [ 19.597617] brcmfmac mmc0:0001:1: firmware: failed to load brcm/ brcmfmac4330-sdio.solidrun,cubox-i-q.clm_blob (-2) [ 19.676688] brcmfmac mmc0:0001:1: firmware: failed to load brcm/ brcmfmac4330-sdio.solidrun,cubox-i-q.clm_blob (-2) [ 19.737380] brcmfmac mmc0:0001:1: firmware: failed to load brcm/ brcmfmac4330-sdio.clm_blob (-2) [ 19.773626] brcmfmac mmc0:0001:1: firmware: failed to load brcm/ brcmfmac4330-sdio.clm_blob (-2) [ 23.420532] ieee80211 phy0: brcmf_p2p_create_p2pdev: timeout occurred [ 23.427094] ieee80211 phy0: brcmf_cfg80211_add_iface: add iface p2p-dev- wlan0 type 10 failed: err=-5 Any hint or advice is welcome. Thanks Rainer -- Rainer Dorsch http://bokomoko.de/