Your message dated Sat, 20 Dec 2025 17:34:55 +0000
with message-id <[email protected]>
and subject line Bug#1123730: fixed in faudio 25.12+dfsg-2
has caused the Debian Bug report #1123730,
regarding faudio: autopkgtest fails with sdl2-compat and only has superficial
coverage with "classic" SDL2
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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--
1123730: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1123730
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: faudio
Severity: normal
Tags: patch
User: [email protected]
Usertags: regression
After discussion with SDL upstream, I'm looking into what needs to
happen for Debian (and indirectly Ubuntu) to replace "classic" SDL2 with
sdl2-compat, following in the footsteps of other distros like Arch and
Fedora. sdl2-compat is a reimplementation of the SDL 2 API using SDL 3.
One issue that I've noticed is that ci.debian.net reports that the
automated test for faudio has regressed when used with sdl2-compat as
the default (all packages from Debian unstable, except sdl2-compat taken
from experimental). This appears to be because of a behaviour change in
the ALSA driver when no hardware is available. With "classic" SDL2, it
reports zero devices, and FAudio gracefully fails to initialize,
resulting in the vast majority of the test being skipped (5 out of about
a thousand tests get run).
With sdl2-compat, the ALSA driver reports a placeholder device each for
the default playback and recording devices, but opening those devices
fails. The FAudio test suite does not handle failure to open a device
gracefully, and eventually crashes.
I've reported the behaviour change to SDL upstream as
https://github.com/libsdl-org/sdl2-compat/issues/562 so that they can
assess whether this is something they want to change.
However, even if sdl2-compat does change its behaviour, I think it would
be better if the faudio autopkgtest explicitly used the `dummy` SDL
audio driver. This results in *much* better test coverage: instead of
> Finished with 5 successful tests and 0 failed tests.
for the current test with "classic" SDL2, I get
> Finished with 1223 successful tests and 0 failed tests.
with `SDL_AUDIODRIVER=dummy` in the environment.
Please consider applying the attached patch. With the patch I'm
proposing, because SDL_AUDIODRIVER isn't modified if already set, you
could still use a command like one of these:
SDL_AUDIODRIVER=pulseaudio sadt
SDL_AUDIODRIVER=pipewire debian/tests/run
autopkgtest --env SDL_AUDIODRIVER=alsa ...
to test against another audio backend that you happen to know works
correctly on your specific system.
Thanks,
smcv
>From ba17bfd19a3f1f4e4e5e89b7dcdbfd8bf996b3f6 Mon Sep 17 00:00:00 2001
From: Simon McVittie <[email protected]>
Date: Sat, 20 Dec 2025 15:28:07 +0000
Subject: [PATCH] d/tests/run: Use SDL's dummy audio driver by default
This driver is the most appropriate for CI environments where real audio
devices are unlikely to be available, but is not available unless
explicitly requested like this.
With "classic" SDL2, CI containers report that no audio devices are
available, and the majority of the faudio test is skipped unless
the dummy driver is explicitly used.
With sdl2-compat replacing "classic" SDL2, the ALSA driver reports that
a default device exists, but actually opening that device does not work.
The faudio test suite is not prepared for this to happen, and crashes.
Preferring the dummy driver avoids this crash.
See also https://github.com/libsdl-org/sdl2-compat/issues/562
Closes: #-1
---
debian/tests/run | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/debian/tests/run b/debian/tests/run
index 170c6cc..4885d83 100755
--- a/debian/tests/run
+++ b/debian/tests/run
@@ -1,3 +1,17 @@
#!/bin/sh
+
+set -eu
+
+# Use the dummy driver unless told otherwise: this is the only one that
+# can be expected to work in CI containers, but isn't selected unless
+# explicitly requested.
+#
+# Can be overridden with e.g.
+# SDL_AUDIODRIVER='pulseaudio,pipewire,alsa,dummy'
+# for manual testing.
+if [ -z "${SDL_AUDIODRIVER-}" ]; then
+ export SDL_AUDIODRIVER=dummy
+fi
+
triplet=$(dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)
/usr/lib/$triplet/faudio/faudio_tests
--
2.51.0
--- End Message ---
--- Begin Message ---
Source: faudio
Source-Version: 25.12+dfsg-2
Done: Stephen Kitt <[email protected]>
We believe that the bug you reported is fixed in the latest version of
faudio, 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 [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Stephen Kitt <[email protected]> (supplier of updated faudio 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 [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sat, 20 Dec 2025 18:06:16 +0100
Source: faudio
Architecture: source
Version: 25.12+dfsg-2
Distribution: unstable
Urgency: medium
Maintainer: Debian Wine Team <[email protected]>
Changed-By: Stephen Kitt <[email protected]>
Closes: 1123730
Changes:
faudio (25.12+dfsg-2) unstable; urgency=medium
.
* Use the dummy audio driver by default in autopkgtests; thanks to Simon
McVittie for the patch! Closes: #1123730.
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