* split dns with dnsmasq and networkmanager broken since 1.10.10 -> 1.14.4
@ 2019-10-28 19:04 Divan Santana
0 siblings, 0 replies; only message in thread
From: Divan Santana @ 2019-10-28 19:04 UTC (permalink / raw)
To: Help guix
Hi Guix,
I've configured split DNS with dnsmasq and networkmanager and been using
that for quite a while on guix system.
Since a recent update this split DNS setup has stopped working.
Booting the older guix system confirms all just works. I'm not quite
sure what could be wrong.
Here is the details:
Older system profile with these versions works:
kernel 5.2.17
lr29sc29fi0gpy48b2qzbjs6b744m0d6-dnsmasq-2.80
v481hl6d8syq8x9g3hrhmbbdw5qq612l-network-manager-1.10.10
Newer setup with these versions does not:
Kernel 5.3.7
snzrgg9qb6zf3jbshxb4j97ja90ppkng-dnsmasq-2.80
9ciqpyc6jzn1ia607w8s8ziy42jgasv2-network-manager-1.14.4
I've compared the way the processes are started, all looks the same,
except the versions.
Here is a comparison of dnsmasq procs. Working proc on top, broken on bottom.
/gnu/store/lr29sc29fi0gpy48b2qzbjs6b744m0d6-dnsmasq-2.80/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/var/run/NetworkManager/dnsmasq.pid --listen-address=127.0.0.1 --cache-size=400 --clear-on-reload --conf-file=/dev/null --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq --conf-dir=/etc/NetworkManager/dnsmasq.d
/gnu/store/snzrgg9qb6zf3jbshxb4j97ja90ppkng-dnsmasq-2.80/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/var/run/NetworkManager/dnsmasq.pid --listen-address=127.0.0.1 --cache-size=400 --clear-on-reload --conf-file=/dev/null --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq --conf-dir=/etc/NetworkManager/dnsmasq.d
Comparison of networkmanager, old and new.
/gnu/store/v481hl6d8syq8x9g3hrhmbbdw5qq612l-network-manager-1.10.10/sbin/NetworkManager --config=/gnu/store/ib8k67r4lnqw52lwkw4dzds4a2dj4xwi-NetworkManager.conf --no-daemon
/gnu/store/9ciqpyc6jzn1ia607w8s8ziy42jgasv2-network-manager-1.14.4/sbin/NetworkManager --config=/gnu/store/ib8k67r4lnqw52lwkw4dzds4a2dj4xwi-NetworkManager.conf --no-daemon
Only other thing of interest, on the newer/problematic guix system, it
seems that if you start dnsmasq manually (via sudo) on another port it
seems to function fine.
I can't start it easily on port 53 since NM kills it when NM runs.
so running this to start it in parallel to the broken dnsmasq works:
sudo /gnu/store/snzrgg9qb6zf3jbshxb4j97ja90ppkng-dnsmasq-2.80/sbin/dnsmasq -p 54 --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/var/run/NetworkManager/dnsmasq.pid --listen-address=127.0.0.1 --cache-size=400 --clear-on-reload --conf-file=/dev/null --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq --conf-dir=/etc/NetworkManager/dnsmasq.d
Testing with dig @127.0.0.1 -p 54 somewhere.example.com shows correct lookup.
But that's not of much help to me since it's on port 54 and not 53.
Any ideas?
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2019-10-28 19:04 split dns with dnsmasq and networkmanager broken since 1.10.10 -> 1.14.4 Divan Santana
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