Bug#773832: systemd: LSB job "raise network interfaces" hangs with allow-hotplug and no cable

[Hugh Davenport]

Package: systemd
Version: 215-7
Severity: normal

Dear Maintainer,

    * What led up to the situation?
Recently updated, and now boot hangs on LSB job "raise network
interfaces". Waited several minutes and still hanging. Says it has no
limit.
    * What exactly did you do (or not do) that was effective (or
      ineffective)?
Plugging in cable made it work. No cable it hanged. interfaces file had
allow-hotplug, and NOT auto
    * What was the outcome of this action?
When I commented out allow-hotplug, booted fine, with and without cable.
With allow-hotplug, cable had to be in, otherwise would hang.
    * What outcome did you expect instead?
Boot to happen with no delay, even if no cable plugged in.

Maybe similar to bug #754218?

My interfaces file is now:


# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
# BUG: commented as hung on boot
#allow-hotplug eth0
iface eth0 inet dhcp

iface wlan0 inet dhcp
	wpa-essid "redacted"
	wpa-psk "redacted"


-- Package-specific info:

-- System Information:
Debian Release: 8.0
   APT prefers testing-updates
   APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_NZ.UTF-8, LC_CTYPE=en_NZ.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages systemd depends on:
ii  acl             2.2.52-2
ii  adduser         3.113+nmu3
ii  initscripts     2.88dsf-58
ii  libacl1         2.2.52-2
ii  libaudit1       1:2.4-1+b1
ii  libblkid1       2.25.2-4
ii  libc6           2.19-13
ii  libcap2         1:2.24-6
ii  libcap2-bin     1:2.24-6
ii  libcryptsetup4  2:1.6.6-3
ii  libgcrypt20     1.6.2-4+b1
ii  libkmod2        18-3
ii  liblzma5        5.1.1alpha+20120614-2+b3
ii  libpam0g        1.1.8-3.1
ii  libselinux1     2.3-2
ii  libsystemd0     215-7
ii  mount           2.25.2-4
ii  sysv-rc         2.88dsf-58
ii  udev            215-7
ii  util-linux      2.25.2-4

Versions of packages systemd recommends:
ii  dbus            1.8.12-1
ii  libpam-systemd  215-7

Versions of packages systemd suggests:
pn  systemd-ui  <none>

-- Configuration Files:
/etc/systemd/logind.conf changed:
[Login]
HandleLidSwitch=ignore


-- no debconf information
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