Public bug reported:
I saw the following in my dmesg:
[ 13.113608] platform regulatory.0: Direct firmware load for regulatory.db
failed with error -2
[ 13.113640] cfg80211: failed to load regulatory.db
[ 13.259143] brcmfmac: F1 signature read @0x18000000=0x1541a9a6
[ 13.268452] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio
for chip BCM43430/1
[ 13.279732] usbcore: registered new interface driver brcmfmac
[ 13.520854] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430-sdio
for chip BCM43430/1
[ 13.532110] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available
(err=-2), device may have limited channels available
[ 13.552859] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct
23 2017 03:55:53 version 7.45.98.38 (r674442 CY) FWID 01-e58d219f
I don't know if the channels are really limited.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-raspi 5.4.0.1008.8
ProcVersionSignature: User Name 5.4.0-1008.8-raspi 5.4.29
Uname: Linux 5.4.0-1008-raspi aarch64
ApportVersion: 2.20.11-0ubuntu27
Architecture: arm64
CasperMD5CheckResult: skip
Date: Thu Apr 23 00:29:47 2020
SourcePackage: linux-meta-raspi
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-meta-raspi (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug arm64 focal rls-ff-incoming uec-images
** Tags added: rls-ff-incoming
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https://bugs.launchpad.net/bugs/1874354
Title:
limited wireles channels on a RPi 3B
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