Helmut-San, Thanks for your suggestion.I can do below with my environment as-is.
But, please give some days to me, because very busy today (and maybe a few days). I will try to reproduce #1105811 issue (parhaps until next monday), inspired by your below suggestion. Sorry and please wait. Ohta. On Wed, 21 May 2025 16:28:04 +0200 Helmut Grohne <hel...@subdivi.de> wrote: > On Wed, May 21, 2025 at 09:49:52PM +0900, K.Ohta wrote: > > *Prereq: > > 1. I installed Debian GNU/Linux for my PC a long time, > > from 2.0 "hamm" or 1.3 "bo". > > Of cource, I replaced a PCs a lot, but OS and softwares were > > inherited beyond PCs, HDDs and SDDs. > > 2. I added AMD64 archtecture very early timing (perhaps 2005~2006). > > That hints that the situation may be unusual and maybe not worth > adding more code for. > > > *Instruction (I don't test completely due to my poorly > > disk capacity , sorry). > > I don't think you need much disk space. Even a non-minimal > installation should fit into 1GB and most current systems have > significantly more RAM (i.e. you may use tmpfs). > > > 1. Install older Debian GNU/Linux (i.e. 8 "jessie") > > both for i386 and amd64 on VM capability to get snapshot. > > For example, VirtualBox. > > > > 2. Enable suppot for x32 architecture, see > > https://wiki.debian.org/X32Port . > > At least, you should install libc6-x32:amd64 and libc6-dev-x32 . > > Using archive.debian.org is useful. > > > > 3. Dist-Upgrade distribution versions step by step. > > 8.0 -> 9.0 ... > > I strongly recommend to get a snapshot of VM > > before apt-get dist-upgrade. > > I hope we can skip all of this. > > > 4. At version 12.0 "bookworm" , you should get snapshot > > this point at least. > > If we just need a bookworm snapshot with x32, the following rune may > work: > > mmdebstrap \ > --aptopt='Acquire::Check-Valid-Until "false"' \ > --keyring=/usr/share/keyrings/debian-archive-keyring.gpg \ > --keyring=/usr/share/keyrings/debian-ports-archive-keyring.gpg \ > --variant=apt \ > --architectures=amd64,x32 \ > '' \ > /dev/null \ > 'deb [arch=amd64] > http://snapshot.debian.org/archive/debian/20230610T162914Z unstable > main' \ 'deb [arch=x32] > http://snapshot.debian.org/archive/debian-ports/20230610T162914Z/ > unstable main' \ --chrooted-customize-hook=bash > > Some explanation. mmdebstrap is a fancy alternative for debootstrap. > You don't have to run it as root. We instruct to ignore signature > validity (for use with snapshot.d.o), allow the ports archive > keyring, choose variant apt to install as few packages as possible, > enable both amd64 and x32 as architectures, do not specify a suite as > it will be implied from the source, specify /dev/null as output as > we're only testing things, use snapshots at the time of bookworm's > release and drop into a root shell. > > > 5. Remove all x32 related programs and libraries before installed. > > Then, get snapshot again. > > I attempted installing libc6-x32 and libc6:x32 and removing them in > either order. > > > 6. Check whether /usr/libx32 and /lib32 are empty. > > Then, also get snapshot. > > At no point did I see an empty /usr/libx32. It was either populated or > absent. Also /libx32 was never dangling. > > Could you go into more detail as to how you got into the problematic > situation? > > > 7. If empty, "sudo rm -fR /usr/lib32 /lib32" and get snapshot. > > This sounds like you want to have a preinst failure. > > Thus far I see little reason to add support code for the situation at > hand. > > Helmut > >
