Hi, here are the bisect results:
# debbisect --cache cache -v --depends e2fslibs-dev,nasm,python3,uuid-dev,gnu-efi,debhelper-compat,binutils,gcc-multilib,build-essential 2020-02-01 2022-12-31 ./script.sh good timestamp 2020-02-01 00:00:00+02:00 was remapped to snapshot.d.o timestamp 2020-01-31 21:17:03+00:00 bad timestamp 2022-12-31 00:00:00+02:00 was remapped to snapshot.d.o timestamp 2022-12-30 15:17:41+00:00 INFO:root:using cache directory: cache snapshot timestamp difference: 1063.750440 days approximately 14 steps left to test #1: using cached results from debbisect.20200131T211703Z.log.good computation time left: 0:00:00.001066 approximately 13 steps left to test #2: using cached results from debbisect.20221230T151741Z.log.bad snapshot timestamp difference: 1063.750440 days computation time left: 0:00:01.426242 approximately 12 steps left to test #3: using cached result (was good) from debbisect.20210716T091727Z.log.good snapshot timestamp difference: 532.250162 days computation time left: 0:00:01.436556 approximately 11 steps left to test #4: using cached result (was good) from debbisect.20220408T091859Z.log.good snapshot timestamp difference: 266.249097 days computation time left: 0:00:01.549000 approximately 10 steps left to test #5: using cached result (was bad) from debbisect.20220818T100320Z.log.bad snapshot timestamp difference: 132.030799 days computation time left: 0:00:01.393391 approximately 9 steps left to test #6: using cached result (was good) from debbisect.20220613T085403Z.log.good snapshot timestamp difference: 66.048113 days computation time left: 0:00:01.362789 approximately 8 steps left to test #7: using cached result (was good) from debbisect.20220716T092224Z.log.good snapshot timestamp difference: 33.028426 days computation time left: 0:00:01.257209 approximately 7 steps left to test #8: using cached result (was bad) from debbisect.20220801T205040Z.log.bad snapshot timestamp difference: 16.477963 days computation time left: 0:00:01.060509 approximately 6 steps left to test #9: using cached result (was bad) from debbisect.20220724T092241Z.log.bad snapshot timestamp difference: 8.000197 days computation time left: 0:00:00.870132 approximately 5 steps left to test #10: using cached result (was good) from debbisect.20220720T092049Z.log.good snapshot timestamp difference: 4.001296 days computation time left: 0:00:00.721089 approximately 4 steps left to test #11: using cached result (was good) from debbisect.20220722T085138Z.log.good snapshot timestamp difference: 2.021562 days computation time left: 0:00:00.533613 approximately 3 steps left to test #12: using cached result (was bad) from debbisect.20220723T030313Z.log.bad snapshot timestamp difference: 0.758044 days computation time left: 0:00:00.365619 approximately 2 steps left to test #13: using cached result (was bad) from debbisect.20220722T150935Z.log.bad bisection finished successfully last good timestamp: 2022-07-22 08:51:38+00:00 first bad timestamp: 2022-07-22 15:09:35+00:00 the following packages differ between the last good and first bad timestamp: cpp 4:11.2.0-2 -> 4:12.1.0-1 cpp-12 (n.a.) -> 12.1.0-7 g++ 4:11.2.0-2 -> 4:12.1.0-1 g++-12 (n.a.) -> 12.1.0-7 gcc 4:11.2.0-2 -> 4:12.1.0-1 gcc-12 (n.a.) -> 12.1.0-7 gcc-12-multilib (n.a.) -> 12.1.0-7 gcc-multilib 4:11.2.0-2 -> 4:12.1.0-1 lib32asan8 (n.a.) -> 12.1.0-7 lib32gcc-12-dev (n.a.) -> 12.1.0-7 libasan8:amd64 (n.a.) -> 12.1.0-7 libgcc-12-dev:amd64 (n.a.) -> 12.1.0-7 libstdc++-12-dev:amd64 (n.a.) -> 12.1.0-7 libtsan2:amd64 (n.a.) -> 12.1.0-7 libx32asan8 (n.a.) -> 12.1.0-7 libx32gcc-12-dev (n.a.) -> 12.1.0-7 test upgrading cpp 4:11.2.0-2 -> 4:12.1.0-1... using cached result (was bad) from debbisect.20220722T085138Z.cpp.log.bad upgrading cpp triggered the problem additional packages that got upgraded/installed at the same time: cpp-12 (n.a.) -> 12.1.0-7 g++ 4:11.2.0-2 -> 4:12.1.0-1 g++-12 (n.a.) -> 12.1.0-7 gcc 4:11.2.0-2 -> 4:12.1.0-1 gcc-12 (n.a.) -> 12.1.0-7 gcc-12-multilib (n.a.) -> 12.1.0-7 gcc-multilib 4:11.2.0-2 -> 4:12.1.0-1 lib32asan8 (n.a.) -> 12.1.0-7 lib32gcc-12-dev (n.a.) -> 12.1.0-7 libasan8:amd64 (n.a.) -> 12.1.0-7 libgcc-12-dev:amd64 (n.a.) -> 12.1.0-7 libstdc++-12-dev:amd64 (n.a.) -> 12.1.0-7 libtsan2:amd64 (n.a.) -> 12.1.0-7 libx32asan8 (n.a.) -> 12.1.0-7 libx32gcc-12-dev (n.a.) -> 12.1.0-7 test installing cpp-12 12.1.0-7... using cached result (was bad) from debbisect.20220722T085138Z.cpp-12.log.bad upgrading cpp-12 triggered the problem test upgrading g++ 4:11.2.0-2 -> 4:12.1.0-1... using cached result (was bad) from debbisect.20220722T085138Z.g++.log.bad upgrading g++ triggered the problem additional packages that got upgraded/installed at the same time: cpp 4:11.2.0-2 -> 4:12.1.0-1 cpp-12 (n.a.) -> 12.1.0-7 g++-12 (n.a.) -> 12.1.0-7 gcc 4:11.2.0-2 -> 4:12.1.0-1 gcc-12 (n.a.) -> 12.1.0-7 gcc-12-multilib (n.a.) -> 12.1.0-7 gcc-multilib 4:11.2.0-2 -> 4:12.1.0-1 lib32asan8 (n.a.) -> 12.1.0-7 lib32gcc-12-dev (n.a.) -> 12.1.0-7 libasan8:amd64 (n.a.) -> 12.1.0-7 libgcc-12-dev:amd64 (n.a.) -> 12.1.0-7 libstdc++-12-dev:amd64 (n.a.) -> 12.1.0-7 libtsan2:amd64 (n.a.) -> 12.1.0-7 libx32asan8 (n.a.) -> 12.1.0-7 libx32gcc-12-dev (n.a.) -> 12.1.0-7 test installing g++-12 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.g++-12.log.good installing g++-12 does not cause the problem test upgrading gcc 4:11.2.0-2 -> 4:12.1.0-1... using cached result (was bad) from debbisect.20220722T085138Z.gcc.log.bad upgrading gcc triggered the problem additional packages that got upgraded/installed at the same time: cpp 4:11.2.0-2 -> 4:12.1.0-1 cpp-12 (n.a.) -> 12.1.0-7 g++ 4:11.2.0-2 -> 4:12.1.0-1 g++-12 (n.a.) -> 12.1.0-7 gcc-12 (n.a.) -> 12.1.0-7 gcc-12-multilib (n.a.) -> 12.1.0-7 gcc-multilib 4:11.2.0-2 -> 4:12.1.0-1 lib32asan8 (n.a.) -> 12.1.0-7 lib32gcc-12-dev (n.a.) -> 12.1.0-7 libasan8:amd64 (n.a.) -> 12.1.0-7 libgcc-12-dev:amd64 (n.a.) -> 12.1.0-7 libstdc++-12-dev:amd64 (n.a.) -> 12.1.0-7 libtsan2:amd64 (n.a.) -> 12.1.0-7 libx32asan8 (n.a.) -> 12.1.0-7 libx32gcc-12-dev (n.a.) -> 12.1.0-7 test installing gcc-12 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.gcc-12.log.good installing gcc-12 does not cause the problem test installing gcc-12-multilib 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.gcc-12-multilib.log.good installing gcc-12-multilib does not cause the problem test upgrading gcc-multilib 4:11.2.0-2 -> 4:12.1.0-1... using cached result (was bad) from debbisect.20220722T085138Z.gcc-multilib.log.bad upgrading gcc-multilib triggered the problem additional packages that got upgraded/installed at the same time: cpp 4:11.2.0-2 -> 4:12.1.0-1 cpp-12 (n.a.) -> 12.1.0-7 g++ 4:11.2.0-2 -> 4:12.1.0-1 g++-12 (n.a.) -> 12.1.0-7 gcc 4:11.2.0-2 -> 4:12.1.0-1 gcc-12 (n.a.) -> 12.1.0-7 gcc-12-multilib (n.a.) -> 12.1.0-7 lib32asan8 (n.a.) -> 12.1.0-7 lib32gcc-12-dev (n.a.) -> 12.1.0-7 libasan8:amd64 (n.a.) -> 12.1.0-7 libgcc-12-dev:amd64 (n.a.) -> 12.1.0-7 libstdc++-12-dev:amd64 (n.a.) -> 12.1.0-7 libtsan2:amd64 (n.a.) -> 12.1.0-7 libx32asan8 (n.a.) -> 12.1.0-7 libx32gcc-12-dev (n.a.) -> 12.1.0-7 test installing lib32asan8 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.lib32asan8.log.good installing lib32asan8 does not cause the problem test installing lib32gcc-12-dev 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.lib32gcc-12-dev.log.good installing lib32gcc-12-dev does not cause the problem test installing libasan8:amd64 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.libasan8:amd64.log.good installing libasan8:amd64 does not cause the problem test installing libgcc-12-dev:amd64 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.libgcc-12-dev:amd64.log.good installing libgcc-12-dev:amd64 does not cause the problem test installing libstdc++-12-dev:amd64 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.libstdc++-12-dev:amd64.log.good installing libstdc++-12-dev:amd64 does not cause the problem test installing libtsan2:amd64 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.libtsan2:amd64.log.good installing libtsan2:amd64 does not cause the problem test installing libx32asan8 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.libx32asan8.log.good installing libx32asan8 does not cause the problem test installing libx32gcc-12-dev 12.1.0-7... using cached result (was good) from debbisect.20220722T085138Z.libx32gcc-12-dev.log.good installing libx32gcc-12-dev does not cause the problem #### script.sh #!/bin/bash dir="$1" echo building syslinux mkdir "$dir/build" cp syslinux_6.04~git20190206.bf6db5b4+dfsg1-3.dsc syslinux_6.04~git20190206.bf6db5b4+dfsg1-3.debian.tar.xz syslinux_6.04~git20190206.bf6db5b4+dfsg1.orig.tar.xz "$dir/build" cp -a syslinux-6.04~git20190206.bf6db5b4+dfsg1 "$dir/build" cp gnu-efi_3.0.9-2.debian.tar.xz gnu-efi_3.0.9-2.dsc gnu-efi_3.0.9.orig.tar.bz2 "$dir/build" cp -a gnu-efi-3.0.9 "$dir/build" cp script2.sh "$dir" chroot "$dir" ./script2.sh rc=$? if [ "$rc" != "0" ]; then echo build failed exit 1 fi file1="$dir/build/syslinux-6.04~git20190206.bf6db5b4+dfsg1/debian/syslinux-efi/usr/lib/SYSLINUX.EFI/efi64/syslinux.efi" if [ ! -e "$file1" ]; then echo build did not produce $file1 exit 1 fi dir2="$dir/build/syslinux-6.04~git20190206.bf6db5b4+dfsg1/debian/syslinux-common/usr/lib/syslinux/modules/efi64" if [ ! -e "$dir2" ]; then echo build did not produce $dir2 exit 1 fi virt-copy-in -d debian11 "$file1" $dir2/* /boot/efi/EFI/syslinux/ virsh start debian11 sleep 20 virsh screenshot debian11 screenshot.png virsh destroy debian11 tesseract screenshot.png - > screenshot.txt cat screenshot.txt for i in futomatic "edit options"; do if [ "$(grep "$i" screenshot.txt)" != "" ]; then echo "OK" exit 0 fi done echo "FAIL" exit 1 #### script2.sh #!/bin/bash ( cd build/gnu-efi-3.0.9 || exit 1 dpkg-buildpackage -us -uc dpkg -i ../gnu-efi*.deb ) ( cd build/syslinux-6.04~git20190206.bf6db5b4+dfsg1 || exit 1 dpkg-buildpackage -us -uc ) -Timo