[Bug 1912905] Re: Can't find WLAN device on RPI-CM4L with 20.10 armhf preinstall server image

[William Wilson]

The verification passed for groovy.

ubuntu at ubuntu:~$ apt-cache policy linux-firmware-raspi2
linux-firmware-raspi2:
  Installed: 2-0ubuntu2
  Candidate: 4-0ubuntu0~20.10.1
  Version table:
     4-0ubuntu0~20.10.1 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy-proposed/restricted armhf Packages
     3-0ubuntu2~20.10.1 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy-updates/restricted armhf Packages
 *** 2-0ubuntu2 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy/restricted armhf Packages
        100 /var/lib/dpkg/status
ubuntu at ubuntu:~$ 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
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether dc:a6:32:fe:ba:b0 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.56/24 brd 192.168.0.255 scope global dynamic eth0
       valid_lft 42500sec preferred_lft 42500sec
    inet6 fe80::dea6:32ff:fefe:bab0/64 scope link
       valid_lft forever preferred_lft forever
ubuntu at ubuntu:~$ ls -l /sys/class/net/
total 0
lrwxrwxrwx 1 root root 0 Jan  1  1970 eth0 -> ../../devices/platform/scb/fd580000.ethernet/net/eth0
lrwxrwxrwx 1 root root 0 Jan  1  1970 lo -> ../../devices/virtual/net/lo
ubuntu at ubuntu:~$

ubuntu at ubuntu:~$ apt-cache policy linux-firmware-raspi2
linux-firmware-raspi2:
  Installed: 4-0ubuntu0~20.10.1
  Candidate: 4-0ubuntu0~20.10.1
  Version table:
 *** 4-0ubuntu0~20.10.1 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy-proposed/restricted armhf Packages
        100 /var/lib/dpkg/status
     3-0ubuntu2~20.10.1 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy-updates/restricted armhf Packages
     2-0ubuntu2 500
        500 http://ports.ubuntu.com/ubuntu-ports groovy/restricted armhf Packages
ubuntu at ubuntu:~$ 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
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether dc:a6:32:fe:ba:b0 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.56/24 brd 192.168.0.255 scope global dynamic eth0
       valid_lft 43160sec preferred_lft 43160sec
    inet6 fe80::dea6:32ff:fefe:bab0/64 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 dc:a6:32:fe:ba:b1 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.57/24 brd 192.168.0.255 scope global dynamic wlan0
       valid_lft 43160sec preferred_lft 43160sec
    inet6 fe80::dea6:32ff:fefe:bab1/64 scope link
       valid_lft forever preferred_lft forever
ubuntu at ubuntu:~$ ls -l /sys/class/net/
total 0
lrwxrwxrwx 1 root root 0 Jan  1  1970 eth0 -> ../../devices/platform/scb/fd580000.ethernet/net/eth0
lrwxrwxrwx 1 root root 0 Jan  1  1970 lo -> ../../devices/virtual/net/lo
lrwxrwxrwx 1 root root 0 Sep 24  2020 wlan0 -> ../../devices/platform/soc/fe300000.mmcnr/mmc_host/mmc1/mmc1:0001/mmc1:0001:1/net/wlan0

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https://bugs.launchpad.net/bugs/1912905

Title:
  Can't find WLAN device on RPI-CM4L with 20.10 armhf preinstall server
  image

Status in linux-firmware-raspi2 package in Ubuntu:
  Fix Released
Status in linux-raspi package in Ubuntu:
  Invalid
Status in linux-firmware-raspi2 source package in Focal:
  Fix Committed
Status in linux-raspi source package in Focal:
  Invalid
Status in linux-firmware-raspi2 source package in Groovy:
  Fix Committed
Status in linux-raspi source package in Groovy:
  Invalid
Status in linux-firmware-raspi2 source package in Hirsute:
  Fix Released
Status in linux-raspi source package in Hirsute:
  Invalid

Bug description:
  [Description]
  Can't find WLAN device on Raspberry Pi CM4L with 20.10 armhf preinstall server image.
  This only happens on armhf image.

  [Steps to reproduce]
  1. Flash image http://cdimage.ubuntu.com/ubuntu/releases/groovy/release/ubuntu-20.10-preinstalled-server-armhf+raspi.img.xz
  2. Boot into system
  5. Check wireless device using "ip a"

  [Expected result]
  Can't find WLAN device

  [Actual result]
  WLAN device works fine

  [Additional information]
  Hardware: RPI-CM4L
  Kernel Version: 5.8.0-1006-raspi, 5.8.0-1012-raspi, 5.8.0-1013-raspi

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