[Samba] named will not start after upgrade of CentOS

[Reindl Harald]

Am 15.05.2018 um 16:47 schrieb Marco Coli via samba:
> Ok, thank for your comments, but the problem is not related to this aspects.
> If I remove (prior to the upgrade) all 'aliens' zones, after the upgrade
> the problem is the same (I tested before, I tried to 'strip out' named.conf)
> I will try to remove 'forward first' as well, and I will let you know.
> 
> The problem seems related to some package updated. If I upgrade
> sernet-samba alone to sernet-samba-ad-4.8.1-9.el7.x86_64 (and restart
> the service, of course), all is ok, but when I update all others
> packages, hell on earth (earth=samba)...
> 
> Any clue about wich rpm can be involved? Kernel is out of the picture,
> because the problem is present immediately after upgrade, before reboot
> in new kernel (but reboot does not help)...
> 
> My configuration started with 7.1 and survived happily until now...
CentOS 7.5 updates samba to samba-4.7.1-6.el7.x86_64 which is even newer
than on Fedora 26 (4.6.x) - i guess this is a mix of some config files
edited (and now .rppnew instead overwritten) and some unchanged which
are replaced hence by the upgrade