[Tts-project] Bug#1144873: speech-dispatcher: autopkgtest fails under incus-lxc: tests fail

[Antonio Terceiro]

Source: speech-dispatcher
Version: 0.12.1-4
Severity: important
Justification: fails autopkgtest on Debian CI infrastructure
Tags: forky sid
User: debian-ci at lists.debian.org
Usertags: lxc

Hi,

Debian CI is switching away from lxc containers in favor of incus Containers.
This is motivated by security concerns from us; incus is based on lxc, but
orchestrates containers substantially different: containers are not privileged
(so root in the container is not uid 0 outside of it), and incus imposes a
stricter isolation from the host system).

speech-dispatcher passes its tests under lxc, but fails under incus.
The relevant part of the failure is (hopefully):


> ## ------------------------------------ ##
> ## speech-dispatcher 0.12.1 test suite. ##
> ## ------------------------------------ ##
>   1: c_api                                           FAILED (c_api.at:23)
> ERROR: 1 test was run,
> 1 failed unexpectedly.
> 
> ## ------------- ##
> ## Test results. ##
> ## ------------- ##
> 
> ## -------------------------- ##
> ## testsuite.log was created. ##
> ## -------------------------- ##
> 
> Please send 'src/tests/testsuite.log' and all information you think might help:
> 
>    To: <speechd-discuss at nongnu.org>
>    Subject: [speech-dispatcher 0.12.1] testsuite: 1 failed
> 
> You may investigate any problem if you feel able to do so, in which
> case the test suite provides a good starting point.  Its output may
> be found below 'src/tests/testsuite.dir'.
> 
> ## ------------------------------------ ##
> ## speech-dispatcher 0.12.1 test suite. ##
> ## ------------------------------------ ##
> 
> testsuite: command line was:
>   $ ./testsuite 
> 
> ## --------- ##
> ## Platform. ##
> ## --------- ##
> 
> hostname = autopkgtest-incus-pojvmw
> uname -m = x86_64
> uname -r = 6.12.101+deb13-amd64
> uname -s = Linux
> uname -v = #1 SMP PREEMPT_DYNAMIC Debian 6.12.101-1 (2026-08-05)
> 
> /usr/bin/uname -p = unknown
> /bin/uname -X     = unknown
> 
> /bin/arch              = x86_64
> /usr/bin/arch -k       = unknown
> /usr/convex/getsysinfo = unknown
> /usr/bin/hostinfo      = unknown
> /bin/machine           = unknown
> /usr/bin/oslevel       = unknown
> /bin/universe          = unknown
> 
> PATH: /tmp/autopkgtest.IHfCy3/build.yqk/src/src/tests/
> PATH: /usr/local/bin/
> PATH: /usr/bin/
> PATH: /bin/
> PATH: /usr/local/games/
> PATH: /usr/games/
> 
> testsuite: atconfig:
> | # Configurable variable values for building test suites.
> | # Generated by ./config.status.
> | # Copyright (C) 2026 Free Software Foundation, Inc.
> | 
> | # The test suite will define top_srcdir=/../.. etc.
> | at_testdir='src/tests'
> | abs_builddir='/tmp/autopkgtest.IHfCy3/build.yqk/src/src/tests'
> | at_srcdir='.'
> | abs_srcdir='/tmp/autopkgtest.IHfCy3/build.yqk/src/src/tests'
> | at_top_srcdir='../..'
> | abs_top_srcdir='/tmp/autopkgtest.IHfCy3/build.yqk/src'
> | at_top_build_prefix='../../'
> | abs_top_builddir='/tmp/autopkgtest.IHfCy3/build.yqk/src'
> | 
> | # Backward compatibility with Autotest <= 2.59b:
> | at_top_builddir=$at_top_build_prefix
> | 
> | 
> | EXEEXT=''
> | AUTOTEST_PATH='src/tests'
> | 
> | SHELL=${CONFIG_SHELL-'/bin/bash'}
> 
> ## ------------------ ##
> ## Running the tests. ##
> ## ------------------ ##
> testsuite: starting at: Fri Aug 14 21:08:25 UTC 2026
> testsuite: ending at: Fri Aug 14 21:08:25 UTC 2026
> testsuite: test suite duration: 0h 0m 0s
> 
> ## ------------- ##
> ## Test results. ##
> ## ------------- ##
> 
> ERROR: 1 test was run,
> 1 failed unexpectedly.
> 
> ## ------------------------ ##
> ## Summary of the failures. ##
> ## ------------------------ ##
> Failed tests:
> speech-dispatcher 0.12.1 test suite test groups:
> 
>  NUM: FILE-NAME:LINE     TEST-GROUP-NAME
>       KEYWORDS
> 
>    1: c_api.at:20        c_api
>       clibrary clibrary2 long_message
> 
> ## ---------------------- ##
> ## Detailed failed tests. ##
> ## ---------------------- ##
> 
> #                             -*- compilation -*-
> 1. c_api.at:20: testing c_api ...
> ./c_api.at:23: ${abs_builddir}/clibrary
> stdout:
> Major: 0, Minor: 12, Micro: 1
> Start of the test of the test.
> Trying to initialize Speech Daemon...
> Speech Daemon failed.
> ./c_api.at:23: exit code was 1, expected 0
> 1. c_api.at:20: 1. c_api (c_api.at:20): FAILED (c_api.at:23)

The full autokpgtest logs are available at:
https://ci.debian.net/experiments/8/regressions/
(please beware of pagination)

Common types of failure and suggested fixes are being documented at:
https://wiki.debian.org/ContinuousIntegration/LxcToIncus

Note that for the time being, speech-dispatcher is still being tested under lxc to
avoid disturbing its testing migration test results.

If you decide to add the `isolation-machine` restriction to get this package
tested under qemu, please mention that explicitly when closing this bug (it's
fine to do that only in the package changelog entry that closes the bug) so
that we can configure your package for qemu on ci.debian.net.
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