Public bug reported:
Version: 1:4.2.8p4+dfsg-3ubuntu5.9
We've observed the following crash on an Ubuntu 16.04 s390x nova-compute
host, apparently related to the VMs network interfaces coming and going:
Nov 11 01:40:34 s0lp3 ntpd[2426]: Listen normally on 542170 qvo8dd4fc29-b8
[fe80::2c99:58ff:fefa:b081%616530]:123
Nov 11 01:40:34 s0lp3 ntpd[2426]: Listen normally on 542171 qvb8dd4fc29-b8
[fe80::b809:4ff:fefc:1b17%616531]:123
Nov 11 01:40:34 s0lp3 ntpd[2426]: Listen normally on 542172 tap3ca379f2-d1
[fe80::fc16:3eff:fe6e:5ef7%616532]:123
Nov 11 01:40:34 s0lp3 ntpd[2426]: Listen normally on 542173 tap8dd4fc29-b8
[fe80::fc16:3eff:fedf:c527%616533]:123
Nov 11 01:40:34 s0lp3 ntpd[2426]: Listen normally on 542174 qvo92509b39-cf
[fe80::a489:5ff:fe82:d27%616535]:123
Nov 11 01:40:34 s0lp3 ntpd[2426]: Listen normally on 542175 qvb92509b39-cf
[fe80::d8b1:d4ff:fe48:a44d%616536]:123
Nov 11 01:40:34 s0lp3 ntpd[2426]: Deleting interface #542166 tap3ca379f2-d1,
fe80::fc16:3eff:fe6e:5ef7%616526#123, interface stats: received=0, sent=0,
dropped=0, active_time=57 secs
Nov 11 01:40:34 s0lp3 ntpd[2426]: new interface(s) found: waking up resolver
Nov 11 01:40:37 s0lp3 ntpd[2426]: bind(122) AF_INET6
fe80::fc16:3eff:fea1:a01c%616537#123 flags 0x11 failed: Cannot assign requested
address
Nov 11 01:40:37 s0lp3 ntpd[2426]: unable to create socket on tap92509b39-cf
(542176) for fe80::fc16:3eff:fea1:a01c%616537#123
Nov 11 01:40:37 s0lp3 ntpd[2426]: failed to init interface for address
fe80::fc16:3eff:fea1:a01c%616537
Nov 11 01:40:39 s0lp3 ntpd[2426]: Listen normally on 542177 tap92509b39-cf
[fe80::fc16:3eff:fea1:a01c%616537]:123
Nov 11 01:40:39 s0lp3 ntpd[2426]: new interface(s) found: waking up resolver
Nov 11 01:40:52 s0lp3 ntpd[2426]: Deleting interface #542172 tap3ca379f2-d1,
fe80::fc16:3eff:fe6e:5ef7%616532#123, interface stats: received=0, sent=0,
dropped=0, active_time=18 secs
Nov 11 01:40:54 s0lp3 ntpd[2426]: Deleting interface #542163 qvo3ca379f2-d1,
fe80::14ad:deff:fe5b:4165%616523#123, interface stats: received=0, sent=0,
dropped=0, active_time=81 secs
Nov 11 01:40:54 s0lp3 ntpd[2426]: Deleting interface #542164 qvb3ca379f2-d1,
fe80::7cf6:4dff:fe23:b119%616524#123, interface stats: received=0, sent=0,
dropped=0, active_time=81 secs
Nov 11 01:41:05 s0lp3 ntpd[2426]: ./../lib/isc/unix/ifiter_getifaddrs.c:163:
INSIST(ifa->ifa_name != ((void *)0)) failed
Nov 11 01:41:05 s0lp3 ntpd[2426]: exiting (due to assertion failure)
** Affects: ntp (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1802804
Title:
crash due to assertion failure on busy VM host
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