Bug#970679: wireless-regdb: updating wireless-regdb to 2020.04.29-2~bpo10+1 makes AP mode impossible on ath10k wifi card

From	Félix Sipma <felix+debian@gueux.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#970679: wireless-regdb: updating wireless-regdb to 2020.04.29-2~bpo10+1 makes AP mode impossible on ath10k wifi card
Date	2020-09-21 13:40 +0200
Message-ID	<ARskN-3XV-11@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: wireless-regdb
Version: 2016.06.10-1
Severity: normal

Hello,

I have an ath10k wireless card, using QCA988X driver in firmware-atheros, which 
worked with wireless-regdb 2016.06.10-1. I tried to update linux-image-amd64 
from 4.19+105+deb10u5 to 5.7.10-1~bpo10+1, which resulted in an updated 
wireless-regdb (2020.04.29-2~bpo10+1). From then, The wifi card got impossible 
to use in 5Ghz AP mode (no frequency available). I tried to boot with 
4.19.0-10-amd64, and the same symptoms remained. Finally, downgrading 
wireless-regdb to 2016.06.10-1 made the wifi functionnal again.

Using firmware-atheros from buster-backports or not made no difference.

Regards,


-- System Information:
Debian Release: 10.5
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-10-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

wireless-regdb depends on no packages.

wireless-regdb recommends no packages.

Versions of packages wireless-regdb suggests:
ii  crda  3.18-1

-- no debconf information

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Bug#970679: wireless-regdb: updating wireless-regdb to 2020.04.29-2~bpo10+1 makes AP mode impossible on ath10k wifi card Félix Sipma <felix+debian@gueux.org> - 2020-09-21 13:40 +0200
  Bug#970679: wireless-regdb: updating wireless-regdb to 2020.04.29-2~bpo10+1 makes AP mode impossible on ath10k wifi card Romain Perier <romain.perier@gmail.com> - 2020-10-06 18:40 +0200

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