Public bug reported:
Calling unattended-upgrade from cron with an Unattended-Upgrade
::Automatic-Reboot-Time of "+5". This causes unattended-upgrades to
run:
'/sbin/shutdown -r +5'
Systemd's shutdown writes an acknowledgement message to stderr:
Shutdown scheduled for Wed 2016-05-18 04:37:49
The original primary issue (that pid files were not being written at
all) was resolved in isc-dhcp 4.3.3-5ubuntu9. However both isc-dhcp-
server & isc-dhcp-server6 systemd units continue to use the same
RuntimeDirectory, so that when either service is restarted (eg to
reconfigure), the pid file
Bug #1549330 ("dhcpd 4.3.3-5ubuntu7 aborts after getting stuck on futex
(bind 9.10 library interaction?)"), which has been marked a duplicate of
bug #1551351 is reporting the same symptoms - dhcpd doesn't respond to
SIGTERM and appears to be stuck on a futex. I think this is related to
the switch
isc-dhcp 4.3.3-5ubuntu8 appears to fix bug #1549736, but not this issue.
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https://bugs.launchpad.net/bugs/1543794
Title:
isc-dhcp-server fails to start on
Public bug reported:
dhcpd no longer stops when sent a SIGTERM, but appears to lock up on a
futex.
Final few lines of strace:
--
sendto(6, "<182>Feb 24 15:12:38 dhcpd[1414]"..., 58, MSG_NOSIGNAL, NULL, 0) = 58
write(2, "Server starting service.", 24Server starting service.) = 24
write(2, "\n",
Public bug reported:
=
Description:Ubuntu Xenial Xerus (development branch)
Release:16.04
ifupdown:
Installed: 0.8.10ubuntu1
Candidate: 0.8.10ubuntu1
=
For the inet6 static method, interfaces(5) implies that only 'address'
is required (and thus netmask is optional), however
Public bug reported:
dhcpd reports 'Can't create PID file /run/dhcp-server/dhcpd.pid' (or
'/run/dhcp-server/dhcpd6.pid' for isc-dhcp-server6), and no file is
found /run/dhcp-server.
Additionally, both isc-dhcp-server & isc-dhcp-server6 service unit files
specify the RuntimeDirectory
Public bug reported:
During the first start of isc-dhcp-server (using the systemd service
unit), a blank dhcpd.leases file is created (presumably owned by
root:root). dhcpd starts successfully (and then exits due to no subnet
definitions, that's expected).
Attempting to start the service again
Adding '-tentative' to the ip call in /lib/ifupdown/wait-for-ll6.sh
corrects this issue for me:
--- /lib/ifupdown/wait-for-ll6.sh.old 2016-02-08 23:58:02.341820711 +
+++ /lib/ifupdown/wait-for-ll6.sh 2016-02-09 00:01:18.128000560 +
@@ -4,7 +4,7 @@
delay=${IF_LL_INTERVAL:-0.1}
Public bug reported:
=
Description:Ubuntu Xenial Xerus (development branch)
Release:16.04
ifupdown:
Installed: 0.8.10ubuntu1
Candidate: 0.8.10ubuntu1
=
With an /etc/network/interfaces file containing:
auto eno16780032
iface eno16780032 inet dhcp
iface eno16780032 inet6 dhcp
On
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