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Hash: SHA512
Format: 1.8
Date: Tue, 24 Jan 2023 05:12:46 +0000
Source: hw-detect
Architecture: source
Version: 1.153
Distribution: unstable
Urgency: medium
Maintainer: Debian Install System Team <debian-boot@lists.debian.org>
Changed-By: Cyril Brulebois <kibi@debian.org>
Changes:
hw-detect (1.153) unstable; urgency=medium
.
* Add initial support for non-free-firmware, following the 2022 General
Resolution about non-free firmware:
- Implement firmware lookup using Contents-firmware indices. Those
are produced by debian-cd when including firmware packages onto
installation images, and they make it possible to map firmware
files requested by the kernel to firmware packages and the
components they were found in. When performing a search in a
directory that doesn't include such Contents-firmware index, the
already-existing code is used as a fallback, checking the contents
of each and every *.deb package in that directory; in that case,
the component is deduced from the Section field of the package.
- Add support for *.component files when installing firmware packages
based on modalias information. Those are generated alongside the
existing *.patterns files (built from DEP-11/AppStream metadata)
by debian-cd when including firmware packages onto installation
images, and make it possible to map firmware packages to the
components they were found in.
- Use the aforementioned mechanisms to establish a list of components
from which firmware packages were installed, making it possible to
enable the relevant apt-setup/$component parameters (among contrib,
non-free, and non-free-firmware). This makes sure the package
manager's configuration includes the right components, so that
those firmware packages can be upgraded like any other regular
packages.
- The end results should be official installation images with
packages only from main and non-free-firmware (without contrib or
non-free which used to be present in some unofficial images
including firmware packages), configuring the installed system with
the main component and possibly the non-free-firmware one when some
firmare packages are needed.
* Add a special case for the usb module: when the module requesting
firmware files is “usb”, search the USB bus using port and device
information to find the underlying device and the module managing
it. Using a Realtek-based Wi-Fi dongle connected over USB as an
example: this makes it possible to trade “usb 4-1.5” found in dmesg
for “rtl8192cu”. Instead of trying to unload/reload the usb and
usbcore modules (which might not even be feasible), the relevant
network module gets reloaded instead, which should make it request its
firmware files again, and maybe find them if some firmware packages
have just been installed. If the lookup fails, stick to “usb”; the
existing link up/down dance implemented by upnics (see below) might be
sufficient for firmware files to be requested again.
* Tweak the upnics function, trying to stop it from killing any network
configuration that might have been set up by users, manually or via
preseed (with many thanks to Nicolas Dandrimont):
- Historically, to make sure network modules request the firmware
files they might require (this might not happen at the time the
module is loaded), each interface is brought up and down.
- Instead, only perform the link up/down dance for interfaces that
aren't up already (working under the assumption that their being up
is the result of user actions, as a previous upnics call would have
left interfaces down) and that aren't associated with a master
interface (that happens when bonding is configured).
* Delete support for loading udeb firmware packages (*.udeb or *.ude
depending on the filesystem), focus on loading regular deb firmware
packages instead. Yes, such udeb firmware packages existed… in Etch!
* Temporarily delete support for searching firmware on external media:
- users have always struggled with preparing such media;
- the lookup doesn't work sufficiently well;
- and since non-free firmware can be included directly into official
installation images, this feature should be much less useful
anyway.
A detailed rationale can be found in #1029543, feedback is welcome!
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