It sounds like all of the scenarios reported are ones that packaging
can't really be expected to handle, so I don't think we can treat this
as a bug in packaging. So I'll mark this bug as Invalid.
Thanks to all the commenters though - hopefully this will help others
diagnose misconfigurations
I was bitten by this too. In my case, it's because I installed postfix
within a chroot that I was using schroot to enter, but postfix wasn't
installed in the real root. Each time I'd enter the chroot, /etc/group
would be copied from the real root into the chroot, losing the
'postdrop' group
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: postfix (Ubuntu)
Status: New = Confirmed
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I suffer from this bug, too. In my case, it was probably caused by an editing
error on /etc/group.Fixed by running
sudo groupadd postdrop
Thanks!
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** Changed in: postfix (Ubuntu)
Importance: Undecided = Medium
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https://bugs.launchpad.net/bugs/910962
Title:
installArchives() failed: dpkg: unrecoverable fatal
You should give more info on how you managed to get into this situation.
The real problem is that the postdrop group has been removed while it
was still in use by dpkg for some statoverride information. Either
postfix did drop the group without unregistering the statoverride, or
you made a mistake
