[Samba] bind crashes after samba upgrade

[Peter Milesson]

On 24.12.2023 23:05, Sonic via samba wrote:
> Finally biting the bullet and upgrading some old Samba servers.
> This particular server is running 4.10.16 and as a first step I'm
> attempting to upgrade it to 4.12.15 (I think I remember something
> about 4.11.x not handling the upgrade properly).
>
> Samba seems to run OK but bind9 will crash when loading the dns with dlopen:
> ==================
> named[25566]: sizing zone task pool based on 0 zones
> named[25566]: Loading 'AD DNS Zone' using driver dlopen
> bind9.service: Main process exited, code=killed, status=11/SEGV
> kwsrvr01 rndc[25581]: rndc: connect failed: 127.0.0.1#953: connection refused
> systemd[1]: bind9.service: Control process exited, code=exited status=1
> systemd[1]: bind9.service: Unit entered failed state
> systemd[1]: bind9.service: Failed with result 'signal'.
> ==================
> Bind will start fine if I disable referencing Samba's named.conf file
> (and I am using the proper version), but of course it's practically
> useless without the database.
>
> Any assistance is appreciated.
> Thank you,
> Chris
>
Hi Chris,

Couldn't you setup a completely new Debian VM with the latest Samba from 
backports, sync with the old one, transfer the FSMO roles, and then 
demote the old one?

Updating an old DC always seems to be a serious PITA.

Best regards and Merry Christmas,

Peter