Comment 2 for bug 2037894

From the installed system:

bdmurray@bdmurray-Standard-PC-Q35-ICH9-2009:~$ ubuntu-drivers list
udevadm hwdb is deprecated. Use systemd-hwdb instead.
broadcom-sta-dkms, (kernel modules provided by broadcom-sta-dkms)
bdmurray@bdmurray-Standard-PC-Q35-ICH9-2009:~$ apt-cache policy broadcom-sta-dkms
broadcom-sta-dkms:
  Installed: (none)
  Candidate: 6.30.223.271-23ubuntu1
  Version table:
     6.30.223.271-23ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu mantic/restricted amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu mantic/restricted i386 Packages
bdmurray@bdmurray-Standard-PC-Q35-ICH9-2009:~$ lsmod | grep b43
b43 577536 0
cordic 12288 1 b43
mac80211 1724416 1 b43
cfg80211 1314816 2 b43,mac80211
ssb 102400 1 b43
bcma 86016 1 b43
bdmurray@bdmurray-Standard-PC-Q35-ICH9-2009:~$ sudo dmesg | grep b43
[sudo] password for bdmurray:
[ 2.523220] b43-phy0: Broadcom 4352 WLAN found (core revision 42)
[ 2.523634] b43-phy0 ERROR: FOUND UNSUPPORTED PHY (Analog 12, Type 11 (AC), Revision 1)
[ 2.523641] b43: probe of bcma0:1 failed with error -95