Bug#1012601: marked as done (wireless-regdb: alternative broken on debian-installer install)
Your message dated Wed, 29 Jun 2022 23:32:25 +0000
with message-id <E1o6hAX-0006WK-VJ@fasolo.debian.org>
and subject line Bug#1012601: fixed in wireless-regdb 2022.04.08-2
has caused the Debian Bug report #1012601,
regarding wireless-regdb: alternative broken on debian-installer install
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1012601: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1012601
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: wireless-regdb
Version: 2021.08.28-1
Severity: important
Tags: d-i
X-Debbugs-Cc: debian-boot@lists.debian.org
Dear Maintainer,
I've noticed after installing wireless-regdb on a fresh install the
package-provided file is not actually used (older version from
wireless-regdb-udeb is used), and update-alternative to select the
upstream version of the regdb also fails
(debian-boot@l.d.o: sorry for the explicit cc, I'm not really sure what
the d-i tag implies)
The problem is that the installer copies /lib/firmware/regulatory.db and
/lib/firmware/regulatory.db.p7s from the installer, and wireless-regdb
postinstall script does not overwrite these if they exist.
This can be reproduced in a minimal container:
root@00e7025e1eeb:/# mkdir /lib/firmware
root@00e7025e1eeb:/# touch /lib/firmware/regulatory.db
root@00e7025e1eeb:/# apt install -y wireless-regdb
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Suggested packages:
crda
The following NEW packages will be installed:
wireless-regdb
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 13.9 kB of archives.
After this operation, 42.0 kB of additional disk space will be used.
Get:1 http://deb.debian.org/debian bullseye/main amd64 wireless-regdb all 2020.04.29-2 [13.9 kB]
Fetched 13.9 kB in 0s (222 kB/s)
debconf: delaying package configuration, since apt-utils is not installed
Selecting previously unselected package wireless-regdb.
(Reading database ... 6662 files and directories currently installed.)
Preparing to unpack .../wireless-regdb_2020.04.29-2_all.deb ...
Unpacking wireless-regdb (2020.04.29-2) ...
Setting up wireless-regdb (2020.04.29-2) ...
update-alternatives: using /lib/firmware/regulatory.db-debian to provide /lib/firmware/regulatory.db (regulatory.db) in auto mode
update-alternatives: warning: not replacing /lib/firmware/regulatory.db with a link
update-alternatives: warning: forcing reinstallation of alternative /lib/firmware/regulatory.db-debian because link group regulatory.db is broken
update-alternatives: warning: not replacing /lib/firmware/regulatory.db with a link
root@00e7025e1eeb:/# ls -l /lib/firmware/regulatory.db*
-rw-r--r-- 1 root root 0 Jun 10 00:21 /lib/firmware/regulatory.db
-rw-r--r-- 1 root root 3764 Jun 30 2020 /lib/firmware/regulatory.db-debian
-rw-r--r-- 1 root root 3764 Jun 30 2020 /lib/firmware/regulatory.db-upstream
lrwxrwxrwx 1 root root 35 Jun 10 00:21 /lib/firmware/regulatory.db.p7s -> /etc/alternatives/regulatory.db.p7s
-rw-r--r-- 1 root root 1249 Jun 30 2020 /lib/firmware/regulatory.db.p7s-debian
-rw-r--r-- 1 root root 1182 Jun 30 2020 /lib/firmware/regulatory.db.p7s-upstream
root@00e7025e1eeb:/# update-alternatives --config regulatory.db
There are 2 choices for the alternative regulatory.db (providing /lib/firmware/regulatory.db).
Selection Path Priority Status
------------------------------------------------------------
0 /lib/firmware/regulatory.db-debian 100 auto mode
* 1 /lib/firmware/regulatory.db-debian 100 manual mode
2 /lib/firmware/regulatory.db-upstream 50 manual mode
Press <enter> to keep the current choice[*], or type selection number:
update-alternatives: warning: forcing reinstallation of alternative /lib/firmware/regulatory.db-debian because link group regulatory.db is broken
update-alternatives: warning: not replacing /lib/firmware/regulatory.db with a link
root@00e7025e1eeb:/# ls -l /lib/firmware/regulatory.db
-rw-r--r-- 1 root root 0 Jun 10 00:21 /lib/firmware/regulatory.db
Running with --force removes the original file with a warning and works:
root@00e7025e1eeb:/# update-alternatives --force --config regulatory.db
There are 2 choices for the alternative regulatory.db (providing /lib/firmware/regulatory.db).
Selection Path Priority Status
------------------------------------------------------------
0 /lib/firmware/regulatory.db-debian 100 auto mode
* 1 /lib/firmware/regulatory.db-debian 100 manual mode
2 /lib/firmware/regulatory.db-upstream 50 manual mode
Press <enter> to keep the current choice[*], or type selection number:
update-alternatives: warning: forcing reinstallation of alternative /lib/firmware/regulatory.db-debian because link group regulatory.db is broken
root@00e7025e1eeb:/# ls -l /lib/firmware/regulatory.db
lrwxrwxrwx 1 root root 31 Jun 10 00:23 /lib/firmware/regulatory.db -> /etc/alternatives/regulatory.db
The original cause for this is that deian-installer copies the files
because of the combinaison of these two:
https://salsa.debian.org/installer-team/debian-installer/-/blob/master/build/pkg-lists/base#L34
- wireless-regdb-udeb contains the firmwares as regular files
https://salsa.debian.org/installer-team/hw-detect/-/blob/master/hw-detect.post-base-installer.d/50install-firmware#L14
- it copies /lib/firmware content in base post-install step
the udeb regdb is also slightly obsolete, I'm not sure why it was needed
in the first place but it might be possible to use the normal package
instead?
That won't fix existing systems though.
If wireless-regdb had been owning the files in dpkg it would be fair
game to just overwrite the files (dpkg overwrites any untracked file
when installing a package that provides the path).
Would it make sense to include regulatory.db -> regulatory.db-debian
(+same for p7s) links in the package itself, so package installation
overwrites these and the post update-alternative step fixes it?
It seems to fix "broken" links without force in this case.
(or push real links to /etc/alternatives/regulatory.db would work too)
Thanks,
--
Dominique Martinet
--- End Message ---
--- Begin Message ---
Source: wireless-regdb
Source-Version: 2022.04.08-2
Done: Ben Hutchings <benh@debian.org>
We believe that the bug you reported is fixed in the latest version of
wireless-regdb, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 1012601@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Ben Hutchings <benh@debian.org> (supplier of updated wireless-regdb package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Thu, 30 Jun 2022 00:01:25 +0200
Source: wireless-regdb
Architecture: source
Version: 2022.04.08-2
Distribution: unstable
Urgency: medium
Maintainer: Debian kernel team <debian-kernel@lists.debian.org>
Changed-By: Ben Hutchings <benh@debian.org>
Closes: 1012601
Changes:
wireless-regdb (2022.04.08-2) unstable; urgency=medium
.
* debian/tests: Add check that regulatory.db signatures are valid
* d/wireless-regdb.postinst: Remove regular files installed by d-i
(Closes: #1012601)
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--- End Message ---
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