[Pkg-sysvinit-devel] Bug#712425: initscripts: Document how to disable "concurrency" boot

[Camaleón]

Package: initscripts
Version: 2.88dsf-41
Severity: normal

Running Wheezy, I noticed one of my services (from a third party vendor) 
was not started when system booted. All seemed to be fine (LSB headers, 
required services, links under defined runlevels...). The service (an 
utility to monitor UPS units) could be started manually ("service upsmon 
start") with no problem at all.

By digging a bit more into this, I remembered "concurrency" was the 
default since squeeze and it could be disable by setting 
"CONCURRENY=none" in "/etc/default/rcS" but this seems to be no more an 
option ("man rcS" neither mentions this variable).

So I wondered how could I disable concurrency. 

The answer was under "/etc/init.d/rc" script itself by creating an empty 
file "/etc/init.d/.legacy-bootordering" that sets CONCURRENY variable to 
"none") but I don't think is a convenient place to document this option.

P.S. The above mentioned service was indeed unable to start with 
concurrency "on" but worked fine with the old sequential booting method.


-- System Information:
Debian Release: 7.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=es_ES.UTF-8, LC_CTYPE=es_ES.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages initscripts depends on:
ii  coreutils       8.13-3.5
ii  debianutils     4.3.2
ii  libc6           2.13-38
ii  lsb-base        4.1+Debian8
ii  mount           2.20.1-5.3
ii  sysv-rc         2.88dsf-41
ii  sysvinit-utils  2.88dsf-41

Versions of packages initscripts recommends:
ii  e2fsprogs  1.42.5-1.1
ii  psmisc     22.19-1+deb7u1

initscripts suggests no packages.

-- no debconf information