Package: pdns-recursor
Version: 5.0.5-1
Severity: normal
File: /usr/lib/systemd/system/pdns-recursor.service
Hi,
every couple of days I get the same problem. I suspend the system for
some hours, and when I come back, the DNS resolution fails. I.e. doing a
ping on a hostname returns "Not found".
The system recovers from this condition after some time, sometimes
after a few seconds but sometimes not even after a minute (that is when
I restart the pdns-recursor service manually and everything suddenly
works like nothing has happened).
NOTE: I have a vague feeling that the down-state of the NIC right after
suspend might be a contributor here. Sometimes it takes almost 5 second
to recover and set the IP address.
Checking the journalctl (after the resuming timestamp), it reveals only:
Jun 12 15:12:13 anon pdns-recursor[2190]: msg="Periodic statistics report"
subsystem="stats" level="0" prio="Info" tid="0" ts="1718209993.347"
cache-entries="4466" negcache-entries="6" packetcache-acquired="7154799"
packetcache-contended>
Jun 12 15:12:13 anon pdns-recursor[2190]: msg="Periodic statistics report"
subsystem="stats" level="0" prio="Info" tid="0" ts="1718209993.347"
edns-entries="0" failed-host-entries="0" non-resolving-nameserver-entries="0"
nsspeed-entries=>
Jun 12 15:12:13 anon pdns-recursor[2190]: msg="Periodic statistics report"
subsystem="stats" level="0" prio="Info" tid="0" ts="1718209993.348"
concurrent-queries="0" dot-outqueries="0" idle-tcpout-connections="0"
outgoing-timeouts="51" t>
Jun 12 15:12:13 anon pdns-recursor[2190]: msg="Periodic statistics report"
subsystem="stats" level="0" prio="Info" tid="0" ts="1718209993.348"
packetcache-entries="447" packetcache-hitratio-perc="44" taskqueue-expired="0"
taskqueue-pushe>
Jun 12 15:12:13 anon pdns-recursor[2190]: msg="Queries handled by thread"
subsystem="stats" level="0" prio="Info" tid="0" ts="1718209993.348"
count="8940" thread="0" tname="worker"
Jun 12 15:12:13 anon pdns-recursor[2190]: msg="Queries handled by thread"
subsystem="stats" level="0" prio="Info" tid="0" ts="1718209993.348"
count="2976" thread="1" tname="worker"
Jun 12 15:12:13 anon pdns-recursor[2190]: msg="Queries handled by thread"
subsystem="stats" level="0" prio="Info" tid="0" ts="1718209993.348" count="2"
thread="2" tname="tcpworker"
Jun 12 15:12:13 anon pdns-recursor[2190]: msg="Periodic QPS report"
subsystem="stats" level="0" prio="Info" tid="0" ts="1718209993.348"
averagedOver="37663" qps="0"
Best regards,
Eduard.
-- System Information:
Debian Release: trixie/sid
APT prefers unstable-debug
APT policy: (500, 'unstable-debug'), (500, 'oldoldstable'), (500,
'unstable'), (500, 'testing'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 6.9.3 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages pdns-recursor depends on:
ii adduser 3.137
ii dns-root-data 2024041801
ii libboost-context1.83.0 1.83.0-3
ii libboost-filesystem1.83.0 1.83.0-3
ii libc6 2.38-12.1
ii libcap2 1:2.66-5
ii libcurl4t64 8.8.0-1
ii libfstrm0 0.6.1-1+b2
ii libgcc-s1 14.1.0-1
ii libluajit-5.1-2 2.1.0+openresty20240314-1
ii libsnmp40t64 5.9.4+dfsg-1.1+b1
ii libsodium23 1.0.18-1+b1
ii libssl3t64 3.2.2-1
ii libstdc++6 14.1.0-1
ii libsystemd0 256~rc3-7
ii publicsuffix 20231001.0357-0.1
pdns-recursor recommends no packages.
pdns-recursor suggests no packages.
-- Configuration Files:
/etc/powerdns/recursor.conf changed [not included]
-- no debconf information
--
Das Streben nach Wahrheit macht uns zu sehr offen für jede neue
Ansicht.
-- Jean Paul
