Actually, this seems to be an issue of the source package not being pulled from -proposed, as I can install the binaries just fine in a LXD container:
root@nn:~# dpkg --add-architecture i386 root@nn:~# apt update [...] root@nn:~# apt install libvpx9:i386 Reading package lists... Done Building dependency tree... Done Reading state information... Done The following packages were automatically installed and are no longer required: libnsl-dev libtirpc-dev Use 'apt autoremove' to remove them. The following additional packages will be installed: gcc-14-base:i386 libc-bin libc-dev-bin libc-devtools libc6 libc6:i386 libc6-dev libgcc-s1:i386 libidn2-0:i386 libunistring5:i386 locales Suggested packages: glibc-doc glibc-doc:i386 locales:i386 libnss-nis:i386 libnss-nisplus:i386 The following NEW packages will be installed: gcc-14-base:i386 libc6:i386 libgcc-s1:i386 libidn2-0:i386 libunistring5:i386 libvpx9:i386 The following packages will be upgraded: libc-bin libc-dev-bin libc-devtools libc6 libc6-dev locales 6 upgraded, 6 newly installed, 0 to remove and 7 not upgraded. Need to get 15.3 MB of archives. After this operation, 18.6 MB of additional disk space will be used. Do you want to continue? [Y/n] [...] Get:12 http://archive.ubuntu.com/ubuntu noble-proposed/main i386 libvpx9 i386 1.14.0-1ubuntu1 [1129 kB] ========================================0 root@nn:~# apt-get source libvpx Reading package lists... Done NOTICE: 'libvpx' packaging is maintained in the 'Git' version control system at: https://salsa.debian.org/multimedia-team/libvpx.git Please use: git clone https://salsa.debian.org/multimedia-team/libvpx.git to retrieve the latest (possibly unreleased) updates to the package. Need to get 4332 kB of source archives. Get:1 http://archive.ubuntu.com/ubuntu noble/main libvpx 1.13.1-2ubuntu1 (dsc) [2366 B] Get:2 http://archive.ubuntu.com/ubuntu noble/main libvpx 1.13.1-2ubuntu1 (tar) [4316 kB] Get:3 http://archive.ubuntu.com/ubuntu noble/main libvpx 1.13.1-2ubuntu1 (diff) [13.6 kB] Fetched 4332 kB in 1s (8427 kB/s) dpkg-source: info: extracting libvpx in libvpx-1.13.1 dpkg-source: info: unpacking libvpx_1.13.1.orig.tar.xz dpkg-source: info: unpacking libvpx_1.13.1-2ubuntu1.debian.tar.xz dpkg-source: info: using patch list from debian/patches/series dpkg-source: info: applying 0001-Relax-ABI-check.patch dpkg-source: info: applying 0002-Do-not-undefine-_FORTIFY_SOURCE.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2058930 Title: Missing in i386 Packages index To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvpx/+bug/2058930/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs