rootfs: trixie mips64el/mipsel fails to build

[nuclearcat]

https://github.com/kernelci/kernelci-core/actions/runs/22184224510
https://github.com/kernelci/kernelci-core/actions/runs/22184223670
Example failure snippet:

Run cd kernelci-deploy/tools;sudo ./kci-rootfs.py --arch $ROOTFS_ARCH --name $ROOTFS_NAME
Current directory: /home/runner/work/kernelci-core/kernelci-core/kernelci-deploy/tools
kernelci-core directory already present, skipping git clone
Pulling ghcr.io/kernelci/debos:kernelci image
Launching kernelci-build-c768b6bd container from ghcr.io/kernelci/debos:kernelci image
Container kernelci-build-c768b6bd is ready
Building kernelci rootfs trixie for mipsel type debos
Launching container: bash -c "cd /kernelci-core; ./kci_rootfs build --rootfs-config trixie --arch mipsel --data-path /etc/kernelci/rootfs/debos --output /kernelci-core/temp/20260219.0"
2026/02/19 13:44:18 ==== debootstrap ====
2026/02/19 13:44:18 Debootstrap | I: Retrieving InRelease 
2026/02/19 13:44:19 Debootstrap | I: Checking Release signature
2026/02/19 13:44:19 Debootstrap | I: Valid Release signature (key id 41587F7DB8C774BCCF131416762F67A0B2C39DE4)
2026/02/19 13:44:19 Debootstrap | E: Invalid Release file, no entry for main/binary-mipsel/Packages
2026/02/19 13:44:19 debootstrap.log | 2026-02-19 13:44:19 URL:http://deb.debian.org/debian/dists/trixie/InRelease [140419/140419] -> "/scratch/root/var/lib/apt/lists/partial/deb.debian.org_debian_dists_trixie_InRelease" [1]
2026/02/19 13:44:19 debootstrap.log | gpgv: Signature made Sat Jan 10 10:29:15 2026 UTC
2026/02/19 13:44:19 debootstrap.log | gpgv:                using RSA key 4CB50190207B4758A3F73A796ED0E7B82643E131
2026/02/19 13:44:19 debootstrap.log | gpgv: Good signature from "Debian Archive Automatic Signing Key (12/bookworm) <ftpmaster@debian.org>"
2026/02/19 13:44:19 debootstrap.log | gpgv: Signature made Sat Jan 10 10:29:16 2026 UTC
2026/02/19 13:44:19 debootstrap.log | gpgv:                using RSA key B8E5F13176D2A7A75220028078DBA3BC47EF2265
2026/02/19 13:44:19 debootstrap.log | gpgv: Good signature from "Debian Archive Automatic Signing Key (13/trixie) <ftpmaster@debian.org>"
2026/02/19 13:44:19 debootstrap.log | gpgv: Signature made Sat Jan 10 10:31:15 2026 UTC
2026/02/19 13:44:19 debootstrap.log | gpgv:                using EDDSA key 41587F7DB8C774BCCF131416762F67A0B2C39DE4
2026/02/19 13:44:19 debootstrap.log | gpgv: Good signature from "Debian Stable Release Key (13/trixie) <debian-release@lists.debian.org>"
2026/02/19 13:44:19 Action `debootstrap` failed at stage Run, error: exit status 1
2026/02/19 13:44:20 fakemachine failed with non-zero exitcode: 1
debos --memory=4G -t architecture:"mipsel" -t suite:"trixie" -t basename:"trixie/mipsel" -t extra_packages:"isc-dhcp-client" -t extra_packages_remove:"bash e2fslibs e2fsprogs klibc-utils libext2fs2 libgnutls30 libklibc libncursesw6 libp11-kit0 libunistring2 sensible-utils" -t extra_files_remove:"*networkd* *resolved* nosuspend.conf tar patch dir partx find" -t extra_firmware:"" -t linux_fw_version:"" -t script:"scripts/install-bootrr.sh" -t test_overlay:"overlays/baseline" -t crush_image_options:"" -t debian_mirror:"" -t keyring_package:"" -t keyring_file:"" -t imagesize:"" --artifactdir=/kernelci-core/temp/20260219.0/_install_ /etc/kernelci/rootfs/debos/rootfs.yaml
Image built successfully
Stopping container kernelci-build-c768b6bd
Removing container kernelci-build-c768b6bd
Container kernelci-build-c768b6bd stopped

[sebastianas]

There is no mips64el/ mipsel in Debian Trixie. Bookworm was the last release for them.
Either you fallback to the previous release here or remove it entirely given that it is still like that (so it wasn't probably used for the past half year).