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[Rustom <rustompmody@xxxxxxxxx>]

Public bug reported:

Note that I added this as comment on bug #1439109

It is actually more similar to  #1432173 which is a duplicate of above

I get :

$ systemctl status -l ifup-wait-all-auto.service
● ifup-wait-all-auto.service - Wait for all "auto" /etc/network/interfaces to be up for network-online.target
   Loaded: loaded (/lib/systemd/system/ifup-wait-all-auto.service; static; vendor preset: enabled)
   Active: active (exited) since Mon 2015-11-16 07:33:22 IST; 27s ago
     Docs: man:interfaces(5)
           man:ifup(8)
  Process: 514 ExecStart=/bin/sh -ec for i in $(ifquery --list --exclude lo --allow auto); do INTERFACES="$INTERFACES$i "; done; [ -n "$INTERFACES" ] || exit 0; while ! ifquery --state $INTERFACES >/dev/null; do sleep 1; done; for i in $INTERFACES; do while [ -e /run/network/ifup-$i.pid ]; do sleep 0.2; done; done (code=exited, status=0/SUCCESS)
 Main PID: 514 (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/ifup-wait-all-auto.service

Nov 16 07:32:53 xxx systemd[1]: Starting Wait for all "auto" /etc/network/interfaces to be up for network-online.target...
Nov 16 07:32:54 xxx sh[514]: Segmentation fault
Nov 16 07:33:22 xxx systemd[1]: Started Wait for all "auto" /etc/network/interfaces to be up for network-online.target.
$ sudo vi /etc/resolv.conf

I tried what looked like solutions offered here:
1.
$ sudo update-rc.d networking remove
$ sudo update-rc.d networking defaults

[I am assuming that r.cd is a misspelling of rc.d]

No change

2. Reinstalled ifupdown
I believe I used to see two segfaults. Now I see one

Ubuntu wily
ifupdown 0.7.54ubuntu1
systemd 225-1ubuntu9

$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

auto enp7s0
iface enp7s0 inet dhcp

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ifupdown 0.7.54ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
Uname: Linux 4.2.0-18-generic x86_64
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Nov 17 22:26:04 2015
InstallationDate: Installed on 2012-12-22 (1060 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
SourcePackage: ifupdown
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ifupdown (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug wily

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https://bugs.launchpad.net/bugs/1517135

Title:
  ifupdown segfaults

Status in ifupdown package in Ubuntu:
  New

Bug description:
  Note that I added this as comment on bug #1439109

  It is actually more similar to  #1432173 which is a duplicate of above

  I get :

  $ systemctl status -l ifup-wait-all-auto.service
  ● ifup-wait-all-auto.service - Wait for all "auto" /etc/network/interfaces to be up for network-online.target
     Loaded: loaded (/lib/systemd/system/ifup-wait-all-auto.service; static; vendor preset: enabled)
     Active: active (exited) since Mon 2015-11-16 07:33:22 IST; 27s ago
       Docs: man:interfaces(5)
             man:ifup(8)
    Process: 514 ExecStart=/bin/sh -ec for i in $(ifquery --list --exclude lo --allow auto); do INTERFACES="$INTERFACES$i "; done; [ -n "$INTERFACES" ] || exit 0; while ! ifquery --state $INTERFACES >/dev/null; do sleep 1; done; for i in $INTERFACES; do while [ -e /run/network/ifup-$i.pid ]; do sleep 0.2; done; done (code=exited, status=0/SUCCESS)
   Main PID: 514 (code=exited, status=0/SUCCESS)
     CGroup: /system.slice/ifup-wait-all-auto.service

  Nov 16 07:32:53 xxx systemd[1]: Starting Wait for all "auto" /etc/network/interfaces to be up for network-online.target...
  Nov 16 07:32:54 xxx sh[514]: Segmentation fault
  Nov 16 07:33:22 xxx systemd[1]: Started Wait for all "auto" /etc/network/interfaces to be up for network-online.target.
  $ sudo vi /etc/resolv.conf

  I tried what looked like solutions offered here:
  1.
  $ sudo update-rc.d networking remove
  $ sudo update-rc.d networking defaults

  [I am assuming that r.cd is a misspelling of rc.d]

  No change

  2. Reinstalled ifupdown
  I believe I used to see two segfaults. Now I see one

  Ubuntu wily
  ifupdown 0.7.54ubuntu1
  systemd 225-1ubuntu9

  $ cat /etc/network/interfaces
  # interfaces(5) file used by ifup(8) and ifdown(8)
  auto lo
  iface lo inet loopback

  auto enp7s0
  iface enp7s0 inet dhcp

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ifupdown 0.7.54ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
  Uname: Linux 4.2.0-18-generic x86_64
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Nov 17 22:26:04 2015
  InstallationDate: Installed on 2012-12-22 (1060 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  SourcePackage: ifupdown
  UpgradeStatus: No upgrade log present (probably fresh install)

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