[Samba] named will not start after upgrade of CentOS

[Rowland Penny]

On Tue, 15 May 2018 16:47:39 +0200
Marco Coli <marco.coli.gm at gmail.com> wrote:

> 
> 
> Il 15/05/2018 16:34, Rowland Penny via samba ha scritto:
> > On Tue, 15 May 2018 15:54:16 +0200
> > Marco Coli <marco.coli.gm at gmail.com> wrote:
> > 
> >>
> >> Hello, the message is exactly the same:
> >> mag 15 11:30:20 mail.magigas.local named[30186]: Loading 'AD DNS
> >> Zone' using driver dlopen
> >> mag 15 11:30:20 mail.magigas.local named[30186]: dlz_dlopen of 'AD
> >> DNS Zone' failed
> >> mag 15 11:30:20 mail.magigas.local named[30186]: SDLZ driver failed
> >> to load. mag 15 11:30:20 mail.magigas.local named[30186]: DLZ
> >> driver failed to load. mag 15 11:30:20 mail.magigas.local
> >> named[30186]: loading configuration: out of memory
> >> mag 15 11:30:20 mail.magigas.local named[30186]: exiting (due to
> >> fatal error)
> >> process exited, code=exited status=1
> >> mag 15 11:30:20 mail.magigas.local systemd[1]: named.service:
> >> control mag 15 11:30:20 mail.magigas.local systemd[1]: Failed to
> >> start Berkeley Internet Name Domain (DNS).
> >> mag 15 11:30:20 mail.magigas.local systemd[1]: Unit named.service
> >> entered failed state.
> >> mag 15 11:30:20 mail.magigas.local systemd[1]: named.service
> >> failed.
> >>
> >> Here is named.conf (at the end I have other zones external to AD):
> >>
> > 
> > A couple of comments, I personally wouldn't have any zones other
> > than the AD zones in named conf. You should forward anything
> > outside the AD domain to another dns server and talking about
> > forwarders, you definitely do not 'forward first'.
> > 
> > Try reading this:
> > 
> > https://wiki.samba.org/index.php/BIND9_DLZ_DNS_Back_End
> > 
> > It might help
> > 
> > Rowland
> 
> 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)...

Haven't a clue, I do not use such an ossified distro, I prefer mine a
bit more recent ;-)

However, if it works before you upgrade the distro packages, but not
after, then it does seem likely it is something to do with at least
one of the distro packages, possibly Bind9, but it could be anything  

Rowland