This bug was fixed in the package unbound - 1.6.7-1ubuntu2.2
---
unbound (1.6.7-1ubuntu2.2) bionic; urgency=medium
* d/p/lp-1788622-fix-systemd-reload.patch: Fix hang due to all worker threads
stopping on reload (LP: #1788622)
-- Christian Ehrhardt Mon, 27 Aug
2018 14:12:29
Reproducing issue in Bionic as-is:
$ systemctl reload unbound
Job for unbound.service failed because a timeout was exceeded.
See "systemctl status unbound.service" and "journalctl -xe" for details.
Log:
Aug 31 05:36:18 b systemd[1]: Reloading Unbound DNS server.
Aug 31 05:36:18 b unbound[827]:
Hello Alexey, or anyone else affected,
Accepted unbound into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/unbound/1.6.7-1ubuntu2.2 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
unbound_1.6.7-1ubuntu2.2_source.changes is in B-unapproved for the SRU
Team to review.
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https://bugs.launchpad.net/bugs/1788622
Title:
systemctl reload unbound command times out
To
MP:
https://code.launchpad.net/~paelzer/ubuntu/+source/unbound/+git/unbound/+merge/353786
is up for review to have a 2nd opinion before moving to SRU processing.
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Tested from PPA and as expected the reload works, is fast and keeps the
PID of the main process alive.
root@b:~# systemctl status unbound
● unbound.service - Unbound DNS server
Loaded: loaded (/lib/systemd/system/unbound.service; enabled; vendor preset:
enabled)
Active: active (running)
** Description changed:
+ [Impact]
+
+ * Due to a bug in the upstream code on a reload command all worker
+processes will exit and the reload will fail. After a while a kill-
+detection kicks and restarts things, but the reload was intended to not
+shred the main process after
FYI: real fix reference is
https://github.com/NLnetLabs/unbound/commit/5106ad7a2c8460d5bb9cb619d360dfe1f259eac2
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https://bugs.launchpad.net/bugs/1788622
Title:
systemctl reload unbound
** Also affects: unbound (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: unbound (Ubuntu)
Status: Triaged => Fix Released
** Changed in: unbound (Ubuntu Bionic)
Status: New => Triaged
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Hi Alexey,
I agree - I can reproduce the error and see just the same.
Bionic - reload hangs and then fails, eventually the service is fully restarted
due to the kill after timeout
Cosmic - working fine and reports:
The logs contain a few unrelated warnings as I run it in a container, but one
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