[Pkg-matrix-maintainers] Bug#920339: matrix-synapse: installation process hangs with unknown reason

[sergio]

Package: matrix-synapse
Version: 0.34.1.1-3~bpo9+1
Severity: serious


# apt -t stretch-backports install matrix-synapse
...
Setting up matrix-synapse (0.34.1.1-3~bpo9+1) ...

Synapse no longer includes a web client. To enable a web client, configure
web_client_location. To remove this warning, remove 'webclient' from the 'listeners'
configuration.

Config is missing missing macaroon_secret_key

Synapse no longer includes a web client. To enable a web client, configure
web_client_location. To remove this warning, remove 'webclient' from the 'listeners'
configuration.

Config is missing missing macaroon_secret_key



Progress: [ 99%] [################################################################################################.]

% ps aux | grep matri 

root     10624  0.0  0.1  56692  5376 pts/0    S+   13:09   0:00 sudo -E apt -t stretch-backports install matrix-synapse
root     10625  0.0  1.2  92480 49980 pts/0    S+   13:09   0:02 apt -t stretch-backports install matrix-synapse
root     11862  0.0  0.4  60952 18424 pts/1    S+   13:10   0:00 /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/matrix-synapse.postinst configure
root     11868  0.0  0.0      0     0 pts/1    Z+   13:10   0:00 [matrix-synapse.] <defunct>
matrix-+ 11934  0.1  1.6 271972 67760 ?        Ssl  13:11   0:04 /usr/bin/python3 -m synapse.app.homeserver --config-path /etc/matrix-synapse/homeserver.yaml --config-path /etc/matrix-synapse/conf.d/ --daemonize



% apt policy
Package files:
 100 /var/lib/dpkg/status
     release a=now
 100 https://deb.debian.org/debian stretch-backports/non-free amd64 Packages
     release o=Debian Backports,a=stretch-backports,n=stretch-backports,l=Debian Backports,c=non-free,b=amd64
     origin deb.debian.org
 100 https://deb.debian.org/debian stretch-backports/contrib amd64 Packages
     release o=Debian Backports,a=stretch-backports,n=stretch-backports,l=Debian Backports,c=contrib,b=amd64
     origin deb.debian.org
 100 https://deb.debian.org/debian stretch-backports/main amd64 Packages
     release o=Debian Backports,a=stretch-backports,n=stretch-backports,l=Debian Backports,c=main,b=amd64
     origin deb.debian.org
 500 https://deb.debian.org/debian stretch-proposed-updates/contrib amd64 Packages
     release o=Debian,a=proposed-updates,n=stretch-proposed-updates,l=Debian,c=contrib,b=amd64
     origin deb.debian.org
 500 https://deb.debian.org/debian stretch-proposed-updates/main amd64 Packages
     release o=Debian,a=proposed-updates,n=stretch-proposed-updates,l=Debian,c=main,b=amd64
     origin deb.debian.org
 990 https://deb.debian.org/debian stretch-updates/main amd64 Packages
     release o=Debian,a=stable-updates,n=stretch-updates,l=Debian,c=main,b=amd64
     origin deb.debian.org
 990 https://deb.debian.org/debian-security stretch/updates/non-free amd64 Packages
     release v=9,o=Debian,a=stable,n=stretch,l=Debian-Security,c=non-free,b=amd64
     origin deb.debian.org
 990 https://deb.debian.org/debian-security stretch/updates/contrib amd64 Packages
     release v=9,o=Debian,a=stable,n=stretch,l=Debian-Security,c=contrib,b=amd64
     origin deb.debian.org
 990 https://deb.debian.org/debian-security stretch/updates/main amd64 Packages
     release v=9,o=Debian,a=stable,n=stretch,l=Debian-Security,c=main,b=amd64
     origin deb.debian.org
 990 https://deb.debian.org/debian stretch/non-free amd64 Packages
     release v=9.7,o=Debian,a=stable,n=stretch,l=Debian,c=non-free,b=amd64
     origin deb.debian.org
 990 https://deb.debian.org/debian stretch/contrib amd64 Packages
     release v=9.7,o=Debian,a=stable,n=stretch,l=Debian,c=contrib,b=amd64
     origin deb.debian.org
 990 https://deb.debian.org/debian stretch/main amd64 Packages
     release v=9.7,o=Debian,a=stable,n=stretch,l=Debian,c=main,b=amd64
     origin deb.debian.org
Pinned packages:


The only one file in apt/preferences.d is stretch:
% cat /etc/apt/preferences.d/stretch
Package: *
Pin: release o=Debian,n=stretch
Pin-Priority: 990

Package: *
Pin: release o=Debian,n=stretch-updates
Pin-Priority: 990

The only one file in apt/sources.list.d is stretch.list:
% cat /etc/apt/sources.list.d/stretch.list
deb https://deb.debian.org/debian stretch main contrib non-free
deb https://deb.debian.org/debian-security stretch/updates main contrib non-free
deb https://deb.debian.org/debian stretch-updates main contrib non-free
deb https://deb.debian.org/debian stretch-proposed-updates main contrib non-free
deb https://deb.debian.org/debian stretch-backports main contrib non-free

% cat /etc/apt/apt.conf.d/00autoremove
Apt::AutoRemove {
	RecommendsImportant "false";
	SuggestsImportant "false";
}
% cat /etc/apt/apt.conf.d/00no-recommends 
APT::Install-Recommends "false";

% apt-mark showmanual
acpi-support-base
acpid
adduser
apt
apt-file
apt-listchanges
apt-transport-https
apt-utils
aptitude
base-files
base-passwd
bash
bash-completion
bind9-host
bootlogd
bsdmainutils
bsdutils
busybox
bzip2
console-setup
coreutils
cpio
cron
dash
debconf
debian-archive-keyring
debianutils
deborphan
debsums
diffutils
dlocate
dmidecode
dmsetup
dpkg
e2fslibs
e2fsprogs
eject
exim4-daemon-light
file
findutils
git
gnupg
gnupg-agent
gpgv
grep
grub-pc
gzip
hostname
ifupdown
init
init-system-helpers
initramfs-tools
iperf3
iproute2
iputils-ping
kmod
less
libpam-ssh-agent-auth
linux-image-amd64
linuxlogo
locales
login
logrotate
lsb-base
lsof
lzop
man-db
matrix-synapse
mawk
mc
memlockd
mosh
mount
ncurses-base
ncurses-bin
needrestart
netbase
openssh-server
openssl
passwd
pciutils
perl-base
pinentry-curses
procps
psmisc
rsyslog
screen
sed
sensible-utils
sudo
swaks
sysvinit-core
sysvinit-utils
tar
tcpdump
telnet
tzdata
udev
unattended-upgrades
unzip
util-linux
vim-nox
wget
whiptail
xz-utils
zip
zsh