Bug#773170: insserv: refuses to start postfix at boot because dnsmasq is disabled

[Scott Kitterman]

On Mon, 15 Dec 2014 11:02:27 +0100 Salvo Tomaselli <tipos...@tiscali.it> 
wrote:
> Package: insserv
> Version: 1.16.0-5
> Severity: critical
> Justification: breaks unrelated software
> 
> Dear Maintainer,
> 
> insserv refuses to start postfix at boot, because I have configured dnsmasq
> to be disabled.
> 
> I don't use dnsmasq as a DNS cache, but as a DHCP server for when I create
> an ad-hoc network, so dnsmasq active or not has totally no effect on the
> ability of my system to resolve names.
> 
> As you can see, postfix can be manually started (and works fine), but it
> can't be started at boot automatically.
> 
> # systemctl enable postfix
> Synchronizing state for postfix.service with sysvinit using update-rc.d...
> Executing /usr/sbin/update-rc.d postfix defaults
> insserv: FATAL: service dnsmasq has to be enabled to use service postfix
> insserv: exiting now!
> update-rc.d: error: insserv rejected the script header
> *** Error in `systemctl': double free or corruption (fasttop): 
0x00007f9c9443e9c0 ***
> Annullato
> # service postfix start
> # service dnsmasq status
> ● dnsmasq.service - dnsmasq - A lightweight DHCP and caching DNS server
>    Loaded: loaded (/lib/systemd/system/dnsmasq.service; disabled)
>   Drop-In: /run/systemd/generator/dnsmasq.service.d
>            └─50-dnsmasq-$named.conf, 50-insserv.conf-$named.conf
>    Active: inactive (dead)
> # service postfix status
> ● postfix.service - LSB: Postfix Mail Transport Agent
>    Loaded: loaded (/etc/init.d/postfix)
>   Drop-In: /run/systemd/generator/postfix.service.d
>            └─50-postfix-$mail-transport-agent.conf
>    Active: active (running) since lun 2014-12-15 10:52:31 CET; 11s ago
>   Process: 1204 ExecStart=/etc/init.d/postfix start (code=exited, 
status=0/SUCCESS)
>    CGroup: /system.slice/postfix.service
>            ├─1325 /usr/lib/postfix/master
>            ├─1326 pickup -l -t fifo -u -c
>            └─1327 qmgr -l -t fifo -u
> 
> dic 15 10:52:31 hal9000 postfix[1204]: Starting Postfix Mail Transport 
Agent: postfix.
> dic 15 10:52:31 hal9000 systemd[1]: Started LSB: Postfix Mail Transport 
Agent.
> dic 15 10:52:31 hal9000 postfix/master[1325]: daemon started -- version 
2.11.3, configuration /etc/postfix

This should work now as of 3.1.4-5 (at least when using the default init 
system).  Please let us know if you can replicate this issue with that version 
or later.

Scott K