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From: Doug McIntyre <merlyn@geeks.org>
To: Mel Pilgrim <list_freebsd@bluerosetech.com>
Cc: freebsd-stable@freebsd.org
Subject: Re: 11.3->12.1 upgrade, pwd db not rehashed after adding ntpd user?
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On Wed, Dec 11, 2019 at 05:44:27PM -0800, Mel Pilgrim wrote:
> I used freebsd-update to upgrade several 11.3-p5 systems to 12.1-p1. 
> The etc update process added the ntpd/ntpd user/group.  It showed the 
> line changes in the plaintext passwd/group files, but the process 
> appears to omit the pwd_mkdb step.
> 
> After the upgrade, ntpd fails to start:
> 
> # service ntpd start
> Starting ntpd.
> su: unknown login: ntpd
> /etc/rc.d/ntpd: WARNING: failed to start ntpd
> 
> Running the usual pwd_mkdb command fixes the issue.

I've had varied results with the same thing from 11.2 to 12.1.
Sometimes it works, oftentimes it does not. pwd_mkdb does fix it
up, but would be nice to not have to do that.