System: Debian Jessie with Kernel from Jessie-backports:
4.1.0-0.bpo.2-amd64 #1 SMP Debian 4.1.6-1~bpo8+1 (2015-09-09) x86_64
GNU/Linux
ipv6 disabled in both Kernel and NetworkManager
Running mtr 0.85-3 (jessie)
sudo mtr google.ch
Gtk-Message: Failed to load module "canberra-gtk-module"
Unable to allocate IPv6 socket for nameserver communication: Address
family not supported by protocol
Tried instead newest version from Git
(https://github.com/traviscross/mtr/tree/4831ee5e3567e49ec80dbb4fc53725f4fe0914ee
) --> same error
Tried latest release-tag (v0.86) --> same error
Tried version mentioned in previous post
(ac84e1db5aeb5f0d63a8302a8a1500ba2638eeee) --> same error
This is not yet fixed upstream.