Hi Eugene,
I could reproduce the issue from a clean Hirsute VM. Steps:
1. lxc launch ubuntu-daily:hirsute paride-h-vm --vm
2. lxc exec paride-h-vm bash
3. apt update
4. apt full-upgrade
5. apt install postfix
# Debconf config as: Satellite system.
# All the rest left with default values
6. apt install bsd-mailx
7. echo x | mailx par...@ubuntu.com
8. mailq. Check the "unknown mail transport error":
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
3D4CB3F4DB 370 Thu Feb 25 13:52:53 r...@paride-h-vm.lxd
(unknown mail transport error)
par...@ubuntu.com
9. cat /var/log/mail.log. There it is:
Feb 25 13:52:53 paride-h-vm postfix/smtp[10307]: fatal: unknown service:
smtp/tcp
I'm not sure if this should be considered a postfix bug or a glibc bug
at this point. If this is a regression caused by a recent glibc upload
then other packages may be affected, and action should be taken on that
side.
I'm adding a "glibc" task to get attention from the glibc maintainers,
and raising the importance of this bug. Thanks a lot for sharing all the
details of your debugging work!
** Changed in: postfix (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: postfix (Ubuntu)
Importance: Undecided => Critical
** Changed in: postfix (Ubuntu)
Importance: Critical => High
** Also affects: glibc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1916541
Title:
smtp "fatal: unknown service: smtp/tcp", probably after libc upgrade
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