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Bug#1016776: channel 13 broken on b43 (brcmsmac) driver since wireless-regdb-2022.04.08-2~deb11u1


Package: wireless-regdb
Version: 2022.04.08-2~deb11u1
Since version 2022.04.08-2~deb11u1 of wireless-regdb my Lenovo notebook doesn't show up channel 13 wireless networks. 

Downgrading to version wireless-regdb-2020.04.29-2 fixes the problem.
https://snapshot.debian.org/archive/debian/20200630T204925Z/pool/main/w/wireless-regdb/wireless-regdb_2020.04.29-2_all.deb


OS: Debian-11 (KDE with NetworkManager)
Notebook: Lenovo G560 (Model: 0679)
CPU: Intel(R) Core(TM) i3 CPU       M 350  @ 2.27GHz


NIC:
06:00.0 Network controller: Broadcom Inc. and subsidiaries BCM4313 802.11bgn Wireless Network Adapter (rev 01) 

product: BCM4313 802.11bgn Wireless Network Adapter
configuration: broadcast=yes driver=brcmsmac driverversion=5.10.0-16-amd64 firmware=610.812 ip=192.168.37.15 latency=0 link=yes multicast=yes wireless=IEEE 802.11 


I have no experience with the wireless stack.
But please feel free to tell me what to test or which logs to send.

Maybe related:
  wireless-regdb stable policy
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1006127
I'm not sure how this is caused. I guess maybe it's an error in the regdb, maybe the b43 driver is interpreting the regdb wrongly. I got another notebook (HP) with RTL8822BE wireless which is still connecting to channel 13 networks with wireless-regdb-2022.04.08-2~deb11u1. 


I've tried
  rmmod b43; modprobe b43 allhwsupport=1
but that didn't help.
I picked some interesting dmesg lines. But they also show up when rebooting after downgrading to wireless-regdb-2020.04.29-2 


 789 Aug  7 08:45:41 AnnaMargaretePC kernel: [   23.466425] cfg80211: Loading compiled-in X.509 certificates for regulatory database
 790 Aug  7 08:45:41 AnnaMargaretePC kernel: [   23.466920] cfg80211: Loaded X.509 cert 'benh@debian.org: 577e021cb980e0e820821ba7b54b4961b8b4fadf'
 791 Aug  7 08:45:41 AnnaMargaretePC kernel: [   23.467404] cfg80211: Loaded X.509 cert 'romain.perier@gmail.com: 3abbc6ec146e09d1b6016ab9d6cf71dd233f0328'
 792 Aug  7 08:45:41 AnnaMargaretePC kernel: [   23.467890] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
 793 Aug  7 08:45:41 AnnaMargaretePC kernel: [   23.740967] platform regulatory.0: firmware: direct-loading firmware regulatory.db
 794 Aug  7 08:45:41 AnnaMargaretePC kernel: [   23.763353] platform regulatory.0: firmware: direct-loading firmware regulatory.db.p7s
 795 Aug  7 08:45:41 AnnaMargaretePC kernel: [   24.706741] Support for cores revisions 0x17 and 0x18 disabled by module param allhwsupport=0. Try b43.allhwsupport=1
 796 Aug  7 08:45:41 AnnaMargaretePC kernel: [   24.706756] b43: probe of bcma0:1 failed with error -524
 797 Aug  7 08:45:41 AnnaMargaretePC kernel: [   24.706811] Broadcom 43xx driver loaded [ Features: PNLS ]

[...]

 804 Aug  7 08:45:41 AnnaMargaretePC kernel: [   25.350732] brcmsmac bcma0:1: mfg 4bf core 812 rev 24 class 0 irq 17
 805 Aug  7 08:45:41 AnnaMargaretePC kernel: [   25.351802] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
rmmod b43; rmmod brcmsmac; rmmod mac80211; rmmod cfg80211; iw reg get; iw reg set DE; iw reg get; modprobe -v cfg80211 ieee80211_regdom=DE; iw reg get; modprobe -v mac80211; iw reg get; iw reg get; modprobe -v brcmsmac; iw reg get; modprobe -v b43; iw reg get 


global
country 00: DFS-UNSET
	(755 - 928 @ 2), (N/A, 20), (N/A), PASSIVE-SCAN
	(2402 - 2472 @ 40), (N/A, 20), (N/A)
	(2457 - 2482 @ 20), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
	(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, PASSIVE-SCAN
	(5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
	(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN
	(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, PASSIVE-SCAN
	(5735 - 5835 @ 80), (N/A, 20), (N/A), PASSIVE-SCAN
	(57240 - 63720 @ 2160), (N/A, 0), (N/A)

global
country DE: 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)
	(5945 - 6425 @ 160), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
	(57000 - 66000 @ 2160), (N/A, 40), (N/A)

global
country DE: 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)
	(5945 - 6425 @ 160), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
	(57000 - 66000 @ 2160), (N/A, 40), (N/A)
insmod /lib/modules/5.10.0-16-amd64/kernel/net/mac80211/mac80211.ko global 
country DE: 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)
	(5945 - 6425 @ 160), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
	(57000 - 66000 @ 2160), (N/A, 40), (N/A)

global
country DE: 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)
	(5945 - 6425 @ 160), (N/A, 23), (N/A), NO-OUTDOOR, AUTO-BW
	(57000 - 66000 @ 2160), (N/A, 40), (N/A)
insmod /lib/modules/5.10.0-16-amd64/kernel/drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcmsmac.ko 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, 24), (0 ms), DFS
	(5725 - 5730 @ 5), (N/A, 13), (0 ms), DFS
	(5730 - 5850 @ 80), (N/A, 13), (N/A)
	(5850 - 5875 @ 25), (N/A, 13), (N/A), NO-OUTDOOR, PASSIVE-SCAN
	(57240 - 66000 @ 2160), (N/A, 40), (N/A)

phy#0
country US: DFS-FCC
	(902 - 904 @ 2), (N/A, 30), (N/A)
	(904 - 920 @ 16), (N/A, 30), (N/A)
	(920 - 928 @ 8), (N/A, 30), (N/A)
	(2400 - 2472 @ 40), (N/A, 30), (N/A)
	(5150 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
	(5250 - 5350 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW
	(5470 - 5730 @ 160), (N/A, 24), (0 ms), DFS
	(5730 - 5850 @ 80), (N/A, 30), (N/A), AUTO-BW
	(5850 - 5895 @ 40), (N/A, 27), (N/A), NO-OUTDOOR, AUTO-BW, PASSIVE-SCAN
	(57240 - 71000 @ 2160), (N/A, 40), (N/A)
insmod /lib/modules/5.10.0-16-amd64/kernel/drivers/net/wireless/broadcom/b43/b43.ko 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, 24), (0 ms), DFS
	(5725 - 5730 @ 5), (N/A, 13), (0 ms), DFS
	(5730 - 5850 @ 80), (N/A, 13), (N/A)
	(5850 - 5875 @ 25), (N/A, 13), (N/A), NO-OUTDOOR, PASSIVE-SCAN
	(57240 - 66000 @ 2160), (N/A, 40), (N/A)

phy#0
country US: DFS-FCC
	(902 - 904 @ 2), (N/A, 30), (N/A)
	(904 - 920 @ 16), (N/A, 30), (N/A)
	(920 - 928 @ 8), (N/A, 30), (N/A)
	(2400 - 2472 @ 40), (N/A, 30), (N/A)
	(5150 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW
	(5250 - 5350 @ 80), (N/A, 24), (0 ms), DFS, AUTO-BW
	(5470 - 5730 @ 160), (N/A, 24), (0 ms), DFS
	(5730 - 5850 @ 80), (N/A, 30), (N/A), AUTO-BW
	(5850 - 5895 @ 40), (N/A, 27), (N/A), NO-OUTDOOR, AUTO-BW, PASSIVE-SCAN
	(57240 - 71000 @ 2160), (N/A, 40), (N/A)





After downgrading wireless-regdb:


iw reg get


global
country DE: 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)
        (57000 - 66000 @ 2160), (N/A, 40), (N/A)

phy#0
country US: DFS-FCC
        (2400 - 2483 @ 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)


iw list | grep -A 15 Frequencies:


                Frequencies:
                        * 2412 MHz [1] (20.0 dBm)
                        * 2417 MHz [2] (20.0 dBm)
                        * 2422 MHz [3] (20.0 dBm)
                        * 2427 MHz [4] (20.0 dBm)
                        * 2432 MHz [5] (20.0 dBm)
                        * 2437 MHz [6] (20.0 dBm)
                        * 2442 MHz [7] (20.0 dBm)
                        * 2447 MHz [8] (20.0 dBm)
                        * 2452 MHz [9] (20.0 dBm)
                        * 2457 MHz [10] (20.0 dBm)
                        * 2462 MHz [11] (20.0 dBm)
                        * 2467 MHz [12] (20.0 dBm)
                        * 2472 MHz [13] (20.0 dBm)
                        * 2484 MHz [14] (disabled)
        Supported commands:






Regards,
kolAflash



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