[Bug 1912385] Re: No wlan interfaces found on CM4 after firmware update

[Varisht Ghedia]

Using ubuntu mate on rpi 4b. Faced this same issue today when I upgraded
the package.

Selecting previously unselected package linux-firmware-raspi2.
Preparing to unpack .../63-linux-firmware-raspi2_4-0ubuntu0~20.04.1_arm64.deb ...
dpkg-divert: error: 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.bin to /lib/firmware/brcm/brcmfmac43455-sdio.bin.distrib by linux-firmware-raspi2' clashes with 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.bin to /lib/firmware/brcm/brcmfmac43455-sdio.bin.distrib by pi-bluetooth'
dpkg: error processing archive /tmp/apt-dpkg-install-8lVGqH/63-linux-firmware-raspi2_4-0ubuntu0~20.04.1_arm64.deb (--unpack):
 new linux-firmware-raspi2 package pre-installation script subprocess returned error exit status 2
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43430-sdio.clm_blob by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.txt by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,400.txt by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43436-sdio.bin by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43436-sdio.clm_blob by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43436-sdio.txt by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.clm_blob by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.bin by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.clm_blob by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,4-model-b.txt by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,4-compute-module.txt by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,400.txt by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43430-sdio.bin by linux-firmware-raspi2', none removed.
No diversion 'diversion of /lib/firmware/brcm/brcmfmac43430-sdio.raspberrypi,3-model-b.txt by linux-firmware-raspi2', none removed.
dpkg-divert: error: mismatch on package
  when removing 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.bin by linux-firmware-raspi2'
  found 'diversion of /lib/firmware/brcm/brcmfmac43455-sdio.bin to /lib/firmware/brcm/brcmfmac43455-sdio.bin.distrib by pi-bluetooth'
dpkg: error while cleaning up:
 new linux-firmware-raspi2 package post-removal script subprocess returned error exit status 2
Preparing to unpack .../64-linux-libc-dev_5.4.0-73.82_arm64.deb ...
Unpacking linux-libc-dev:arm64 (5.4.0-73.82) over (5.4.0-72.80) ...
Preparing to unpack .../65-openvpn_2.4.7-1ubuntu2.20.04.2_arm64.deb ...
Unpacking openvpn (2.4.7-1ubuntu2.20.04.2) over (2.4.7-1ubuntu2) ...
Preparing to unpack .../66-pi-bluetooth_0.1.15ubuntu0~20.04.1_arm64.deb ...
Unpacking pi-bluetooth (0.1.15ubuntu0~20.04.1) over (0.1.10ubuntu6-lobo) ...
dpkg: warning: unable to delete old directory '/lib/firmware/brcm': Directory not empty
Preparing to unpack .../67-python3-pip_20.0.2-5ubuntu1.5_all.deb ...
Unpacking python3-pip (20.0.2-5ubuntu1.5) over (20.0.2-5ubuntu1.1) ...
Preparing to unpack .../68-python-pip-whl_20.0.2-5ubuntu1.5_all.deb ...
Unpacking python-pip-whl (20.0.2-5ubuntu1.5) over (20.0.2-5ubuntu1.1) ...
Preparing to unpack .../69-python3-problem-report_2.20.11-0ubuntu27.17_all.deb ...
Unpacking python3-problem-report (2.20.11-0ubuntu27.17) over (2.20.11-0ubuntu27.16) ...
Preparing to unpack .../70-python3-apport_2.20.11-0ubuntu27.17_all.deb ...
Unpacking python3-apport (2.20.11-0ubuntu27.17) over (2.20.11-0ubuntu27.16) ...
Preparing to unpack .../71-python3-pil_7.0.0-4ubuntu0.4_arm64.deb ...
Unpacking python3-pil:arm64 (7.0.0-4ubuntu0.4) over (7.0.0-4ubuntu0.3) ...
Preparing to unpack .../72-software-properties-common_0.98.9.5_all.deb ...
Unpacking software-properties-common (0.98.9.5) over (0.98.9.4) ...
Preparing to unpack .../73-software-properties-gtk_0.98.9.5_all.deb ...
Unpacking software-properties-gtk (0.98.9.5) over (0.98.9.4) ...
Preparing to unpack .../74-python3-software-properties_0.98.9.5_all.deb ...
Unpacking python3-software-properties (0.98.9.5) over (0.98.9.4) ...
Errors were encountered while processing:
 /tmp/apt-dpkg-install-8lVGqH/63-linux-firmware-raspi2_4-0ubuntu0~20.04.1_arm64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

Now my wifi is broken.

-- 
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Ubuntu.
https://bugs.launchpad.net/bugs/1912385

Title:
  No wlan interfaces found on CM4 after firmware update

Status in linux-firmware-raspi2 package in Ubuntu:
  New

Bug description:
  During testing of image http://cdimage.ubuntu.com/ubuntu-server/focal
  /daily-preinstalled/pending/focal-preinstalled-server-
  arm64+raspi.img.xz it was noted that the WLAN interface was missing.

  It appears that the introduction of package version 3-0ubuntu1~20.04.1
  results in breakage of WLAN on CM4 devices.

  No interface is listed on completion of boot.

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