Control: retitle -1 systemd-detect-virt only detects systemd-nspawn container if run as PID1 Control: reassign -1 systemd 215-17+deb8u7 Control: fixed -1 218-1
I can repro this on bullseye (with apologies to the snapshot.d.o maintainers): -- >8 -- # debootstrap --variant=minbase --no-check-gpg jessie jessie-18-10-10 http://snapshot.debian.org/archive/debian/20181010T111800Z/ # systemd-nspawn -D jessie-18-10-10/ /bin/bash -c "systemd-detect-virt" Spawning container jessie-18-10-10 on /home/nabijaczleweli/uwu/jessie-18-10-10. Press ^] three times within 1s to kill container. systemd-nspawn Container jessie-18-10-10 exited successfully. # systemd-nspawn -D jessie-18-10-10/ /bin/dash -c "systemd-detect-virt" Spawning container jessie-18-10-10 on /home/nabijaczleweli/uwu/jessie-18-10-10. Press ^] three times within 1s to kill container. none Container jessie-18-10-10 failed with error code 1. -- >8 -- By excluding the environment &a., I arrived at: -- >8 -- # systemd-nspawn -D jessie-18-10-10/ /bin/bash -c 'cat /proc/$$/cmdline' Spawning container jessie-18-10-10 on /home/nabijaczleweli/uwu/jessie-18-10-10. Press ^] three times within 1s to kill container. cat^@-A^@/proc/1/cmdline^@ Container jessie-18-10-10 exited successfully. # systemd-nspawn -D jessie-18-10-10/ /bin/dash -c 'cat /proc/$$/cmdline' Spawning container jessie-18-10-10 on /home/nabijaczleweli/uwu/jessie-18-10-10. Press ^] three times within 1s to kill container. /bin/dash^@-c^@cat -A /proc/$$/cmdline^@ Container jessie-18-10-10 exited successfully. -- >8 -- and its natural extension: -- >8 -- # systemd-nspawn -D jessie-18-10-10/ /bin/bash -c "(systemd-detect-virt)" Spawning container jessie-18-10-10 on /home/nabijaczleweli/uwu/jessie-18-10-10. Press ^] three times within 1s to kill container. none # systemd-nspawn -D jessie-18-10-10/ /bin/dash -c "exec systemd-detect-virt" Spawning container jessie-18-10-10 on /home/nabijaczleweli/uwu/jessie-18-10-10. Press ^] three times within 1s to kill container. systemd-nspawn Container jessie-18-10-10 exited successfully. Container jessie-18-10-10 failed with error code 1. -- >8 -- This is a systemd bug, insofar as the container detection code only works if the caller is PID 1. By further bisecting through systemd versions available on s.d.o, I got to: -- >8 -- root@jessie-18-10-10:~# 217-4/usr/bin/systemd-detect-virt none root@jessie-18-10-10:~# 218-1/usr/bin/systemd-detect-virt systemd-nspawn -- >8 -- Best, наб
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