Hmm... maybe my specific problem is flaky hardware. Today I ran an
upgrade:
Start-Date: 2021-02-09 18:35:34
Commandline: apt-get upgrade
Requested-By: user (1000)
Upgrade: linux-libc-dev:arm64 (5.8.0-41.46, 5.8.0-43.49), openjdk-8-jdk:arm64
(8u275-b01-0ubuntu1~20.10, 8u282-b08-0ubuntu1~20.10), libldap-2.4-2:arm64
(2.4.53+dfsg-1ubuntu1.2, 2.4.53+dfsg-1ubuntu1.3), openjdk-8-jre:arm64
(8u275-b01-0ubuntu1~20.10, 8u282-b08-0ubuntu1~20.10),
openjdk-8-jdk-headless:arm64 (8u275-b01-0ubuntu1~20.10,
8u282-b08-0ubuntu1~20.10), qemu-utils:arm64 (1:5.0-5ubuntu9.3,
1:5.0-5ubuntu9.4), firefox-locale-en:arm64 (85.0+build1-0ubuntu0.20.10.1,
85.0.1+build1-0ubuntu0.20.10.1), libldap-common:arm64 (2.4.53+dfsg-1ubuntu1.2,
2.4.53+dfsg-1ubuntu1.3), ldap-utils:arm64 (2.4.53+dfsg-1ubuntu1.2,
2.4.53+dfsg-1ubuntu1.3), openjdk-8-jre-headless:arm64
(8u275-b01-0ubuntu1~20.10, 8u282-b08-0ubuntu1~20.10), firefox:arm64
(85.0+build1-0ubuntu0.20.10.1, 85.0.1+build1-0ubuntu0.20.10.1),
qemu-block-extra:arm64 (1:5.0-5ubuntu9.3, 1:5.0-5ubuntu9.4)
End-Date: 2021-02-09 18:36:10
and surprisingly my crda region is properly set:
$ iw reg get
global
country US: DFS-FCC
(2400 - 2472 @ 40), (N/A, 30), (N/A)
(5150 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
(5250 - 5350 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW
(5470 - 5730 @ 160), (N/A, 23), (0 ms), DFS
(5730 - 5850 @ 80), (N/A, 30), (N/A)
(57240 - 71000 @ 2160), (N/A, 40), (N/A)
So, for me, this issue can be closed.
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Packages, which is subscribed to wireless-regdb in Ubuntu.
https://bugs.launchpad.net/bugs/1914853
Title:
regression-update: Unexpected Results 'iw reg set US'
Status in wireless-regdb package in Ubuntu:
New
Bug description:
I'm trying to diagnose why I'm unable to connect to a 5GHz WiFi access
point from my Ubuntu 20.10 Raspberry Pi 4B 8GB. I wondered if it
might be a problem with the crda. The default /etc/default/crda did
not specify a country code. I edited the file to change "REGDOMAIN="
to be "REGDOMAIN=US" and rebooted.
After I run "iw reg set US", I get unexpected results for "iw reg
get", that don't match the output from my Ubuntu 16.04 laptop.
$ cat /etc/default/crda
# Set REGDOMAIN to a ISO/IEC 3166-1 alpha2 country code so that iw(8) may set
# the initial regulatory domain setting for IEEE 802.11 devices which operate
# on this system.
#
# Governments assert the right to regulate usage of radio spectrum within
# their respective territories so make sure you select a ISO/IEC 3166-1 alpha2
# country code suitable for your location or you may infringe on local
# legislature. See `/usr/share/zoneinfo/zone.tab' for a table of timezone
# descriptions containing ISO/IEC 3166-1 alpha2 country codes.
REGDOMAIN=US
$ iw reg get
global
country AL: DFS-ETSI
(2400 - 2483 @ 40), (N/A, 20), (N/A)
(5150 - 5250 @ 80), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5350 @ 80), (N/A, 20), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5470 - 5725 @ 160), (N/A, 26), (0 ms), DFS
(5725 - 5875 @ 80), (N/A, 13), (N/A)
$ sudo iw reg set US
$ iw reg get
global
country 98: DFS-UNSET
(2400 - 2472 @ 40), (N/A, 20), (N/A)
(5150 - 5250 @ 100), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
(5250 - 5350 @ 100), (N/A, 20), (0 ms), NO-OUTDOOR, DFS, AUTO-BW
(5470 - 5725 @ 160), (N/A, 23), (0 ms), DFS
(5725 - 5730 @ 5), (N/A, 13), (0 ms), DFS
(5730 - 5850 @ 80), (N/A, 13), (N/A)
On my Ubuntu 16.04 laptop, 'iw reg get' returns 'country US: DFS-FCC'
and a different list of frequency bands.
$ sudo apt-cache policy wireless-regdb
wireless-regdb:
Installed: 2020.11.20-0ubuntu1~16.04.2
Candidate: 2020.11.20-0ubuntu1~16.04.2
Version table:
*** 2020.11.20-0ubuntu1~16.04.2 500
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main i386
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main i386
Packages
100 /var/lib/dpkg/status
2015.07.20-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
500 http://us.archive.ubuntu.com/ubuntu xenial/main i386 Packages
$ iw reg get
country US: DFS-FCC
(2400 - 2472 @ 40), (N/A, 30), (N/A)
(5150 - 5250 @ 80), (N/A, 23), (N/A)
(5250 - 5350 @ 80), (N/A, 23), (0 ms), DFS
(5470 - 5730 @ 160), (N/A, 23), (0 ms), DFS
(5730 - 5850 @ 80), (N/A, 30), (N/A)
(57240 - 71000 @ 2160), (N/A, 40), (N/A)
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: wireless-regdb 2020.11.20-0ubuntu1~20.10.1
ProcVersionSignature: Ubuntu 5.8.0-1013.16-raspi 5.8.18
Uname: Linux 5.8.0-1013-raspi aarch64
ApportVersion: 2.20.11-0ubuntu50.5
Architecture: arm64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Feb 6 00:15:23 2021
Dependencies:
ImageMediaBuild: 20201022
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: wireless-regdb
UpgradeStatus: No upgrade log present (probably fresh install)
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