Your message dated Sun, 22 Dec 2019 16:12:34 +0100
with message-id <[email protected]>
and subject line Re: Bug#947158: systemd: After=network.target is ineffective
has caused the Debian Bug report #947158,
regarding systemd: After=network.target is ineffective
to be marked as done.
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--
947158: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947158
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: systemd
Version: 241-7~deb10u2
Severity: normal
Tags: patch
Lately (since buster?) I observe that "After=network.target" is ineffective,
maybe because dhcpcd runs asynchronously. I seem to get good results by
creating a file
/etc/network/if-up.d/00waitup
with contents as below.
Cheers, Paul
--
Paul Szabo [email protected] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of Sydney Australia
Contents of /etc/network/if-up.d/00waitup :
#!/bin/bash -
#V0.1 22 Dec 19 wait for (ensure) interface is up
# Paul Szabo [email protected]
# Ensure network interface is "up".
# DHCP may take long... and at buster it seems to be done asynchronously,
# so systemd "After=network.target" is ineffective.
# Though neither we, nor any commands we run, should ever fail or
# show anything on STDERR: ensure we do not, otherwise ifup may think
# we failed, and fail the interface.
exec 2>&1
case "$IFACE" in
eth* ) echo -E "00waitup: Waiting for $IFACE to be up ...";;
* ) echo -E "00waitup: No waiting for $IFACE"; exit;;
esac
n=0
while :; do
LINE="$(ip -o address show $IFACE)"
if [ -n "$LINE" ] ; then
echo -E "00waitup: $IFACE is up, 'ip -o address show $IFACE' shows '$LINE'"
exit
fi
(( n = $n+1 ))
if [ $n -gt 60 ]; then
echo -E "00waitup: 'ip -o address show $IFACE' failed, seems down, giving
up"
exit
fi
echo -n -E "00waitup: Waiting for $IFACE to come up at "; date
sleep 1
done
--- End Message ---
--- Begin Message ---
Am 22.12.19 um 07:51 schrieb Paul Szabo:
> Package: systemd
> Version: 241-7~deb10u2
> Severity: normal
> Tags: patch
>
> Lately (since buster?) I observe that "After=network.target" is ineffective,
> maybe because dhcpcd runs asynchronously. I seem to get good results by
> creating a file
>
network.target does not ensure that network is up during boot up, it's
mostly relevant for shutdown.
See https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget/
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