*** This bug is a duplicate of bug 1752411 ***
https://bugs.launchpad.net/bugs/1752411
The relationship to LP #1752411 certainly feels valid.
(I think I agree to the duplication)
Check this out btw (perhaps better submitted to the other bug) -- but --
despite "host" claiming a default timeout of a few seconds, this NEVER returns!!
{{{
$ LC_ALL=C host -t soa local.
}}}
$ man host
{{{
-W wait
Timeout: Wait for up to wait seconds for a reply. If wait is less
than one, the wait interval is set to one second.
By default, host will wait for 5 seconds for UDP responses and 10
seconds for TCP connections. These defaults can be overridden by the timeout
option in
/etc/resolv.conf.
See also the -w option.
}}}
But I even tried to manually specify how long to wait, it isn't honoured
{{{
$ time LC_ALL=C host -W 1 -t soa local.
<<HUNG>>
}}}
--
we're talking about THIS method btw
/usr/lib/avahi/avahi-daemon-check-dns.sh
{{{
dns_has_local() {
# Some magic to do tests
if [ -n "${FAKE_HOST_RETURN}" ] ; then
if [ "${FAKE_HOST_RETURN}" = "true" ]; then
return 0;
else
return 1;
fi
fi
OUT=`LC_ALL=C host -t soa local. 2>&1` <<<---- HERE
if [ $? -eq 0 ] ; then
if echo "$OUT" | egrep -vq 'has no|not found'; then
return 0
fi
else
# Checking the dns servers failed. Assuming no .local unicast dns, but
# remove the nameserver cache so we recheck the next time we're triggered
rm -f ${NS_CACHE}
fi
return 1
}
}}}
---
Steps to reproduce:
1. fresh boot
2. run "host -t soa local." (works fine)
{{{
$ LC_ALL=C host -t soa local.
Host local. not found: 3(NXDOMAIN)
}}}
2. connect to strongswan vpn
3. disconnect the session
4. , now that command hangs forever
{{{
$ time LC_ALL=C host -t soa local.
<HUNG>
}}}
(tried timing it ...)
--
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https://bugs.launchpad.net/bugs/1786261
Title:
strongswan ipsec fails to finish connection (hangs after installing
DNS server via resolvconf)
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