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Groups > linux.debian.bugs.dist > #1026606

Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host

From Sven Geuer <debmaint@g-e-u-e-r.de>
Newsgroups linux.debian.bugs.dist
Subject Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host
Date 2020-09-27 15:50 +0200
Message-ID <ATFdU-28G-3@gated-at.bofh.it> (permalink)
References (9 earlier) <ATkMa-6KP-1@gated-at.bofh.it> <ATmbg-7IF-7@gated-at.bofh.it> <ATCJ3-P5-5@gated-at.bofh.it> <zZSaC-2YJ-15@gated-at.bofh.it> <ATCJ3-P5-5@gated-at.bofh.it>
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I solved the issue for my environment. I observed the armhf container
did not receive dnsmasq's UDP replies. Examining /usr/libexec/lxc/lxc-
net I identified this line

iptables $use_iptables_lock -t mangle -A POSTROUTING -o ${LXC_BRIDGE}
-p udp -m udp --dport 68 -j CHECKSUM --checksum-fill

as something special and added its equivalent to my firewall
configuration. Since then networking works perfectly well also for the
armhf container.

I believe the special purpose of this iptables rule should be pointed
out not sure where.

Antonio, our questions helped me to look in the right direction. Thanks
for your patience.

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Thread

Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Sven Geuer <debmaint@g-e-u-e-r.de> - 2020-09-20 20:50 +0200
  Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Antonio Terceiro <terceiro@debian.org> - 2020-09-21 17:10 +0200
    Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Antonio Terceiro <terceiro@debian.org> - 2020-09-26 15:10 +0200
      Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Sven Geuer <debmaint@g-e-u-e-r.de> - 2020-09-26 15:50 +0200
      Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Sven Geuer <debmaint@g-e-u-e-r.de> - 2020-09-26 16:20 +0200
        Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Antonio Terceiro <terceiro@debian.org> - 2020-09-26 18:00 +0200
          Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Sven Geuer <debmaint@g-e-u-e-r.de> - 2020-09-26 19:30 +0200
            Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Sven Geuer <debmaint@g-e-u-e-r.de> - 2020-09-27 13:10 +0200
              Bug#958910: debci: 'debci setup -a armhf' fails to set up an lxc container on an amd64 host Sven Geuer <debmaint@g-e-u-e-r.de> - 2020-09-27 15:50 +0200

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