Another s390x showing similar symptoms to Paul: Feb 21 00:56:01 s0lp3 ntpd[253059]: Deleting interface #79102 qvoc1fa7c7e-9e, fe80::1cad:94ff:fe58:5dc7%1315880#123, interface stats: received=0, sent=0, dropped=0, active_time=676 secs Feb 21 00:56:01 s0lp3 ntpd[253059]: Deleting interface #79103 qvbc1fa7c7e-9e, fe80::470:fbff:fe3b:b540%1315881#123, interface stats: received=0, sent=0, dropped=0, active_time=676 secs Feb 21 00:56:01 s0lp3 ntpd[253059]: Deleting interface #79119 tapc1fa7c7e-9e, fe80::fc16:3eff:fe87:f3f4%1315899#123, interface stats: received=0, sent=0, dropped=0, active_time=455 secs Feb 21 00:56:09 s0lp3 ntpd[253059]: Deleting interface #79163 tap59a670ab-70, fe80::fc16:3eff:fe27:b37a%1315951#123, interface stats: received=0, sent=0, dropped=0, active_time=24 secs Feb 21 00:56:12 s0lp3 ntpd[253059]: ./../lib/isc/unix/ifiter_getifaddrs.c:163: INSIST(ifa->ifa_name != ((void *)0)) failed Feb 21 00:56:12 s0lp3 ntpd[253059]: exiting (due to assertion failure)
solution is to just restart ntpd. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ntp in Ubuntu. https://bugs.launchpad.net/bugs/1069543 Title: ntpd crashes when network interface goes down Status in ntp package in Ubuntu: Confirmed Bug description: ntpd crashes with SIGSEGV when (teredo IPv6) interface goes down after unplugging a network cable: Oct 22 03:17:03 oil ntpdate[5896]: adjust time server 118.143.17.82 offset 0.005534 sec Oct 22 03:17:03 oil ntpd[5951]: ntpd 4.2.6p3@1.2290-o Mon Aug 20 15:15:21 UTC 2012 (1) Oct 22 03:17:03 oil ntpd[5952]: proto: precision = 0.106 usec Oct 22 03:17:03 oil ntpd[5952]: ntp_io: estimated max descriptors: 2144, initial socket boundary: 16 Oct 22 03:17:03 oil ntpd[5952]: Listen and drop on 0 v4wildcard 0.0.0.0 UDP 123 Oct 22 03:17:03 oil ntpd[5952]: Listen and drop on 1 v6wildcard :: UDP 123 Oct 22 03:17:03 oil ntpd[5952]: Listen normally on 2 lo 127.0.0.1 UDP 123 Oct 22 03:17:03 oil ntpd[5952]: Listen normally on 3 eth0 192.168.0.2 UDP 123 Oct 22 03:17:03 oil ntpd[5952]: Listen normally on 4 teredo fe80::ffff:ffff:ffff UDP 123 Oct 22 03:17:03 oil ntpd[5952]: Listen normally on 5 eth0 fe80::16fe:b5ff:fea4:b39f UDP 123 Oct 22 03:17:03 oil ntpd[5952]: Listen normally on 6 teredo 2001:0:53aa:64c:875:7e15:90bc:9593 UDP 123 Oct 22 03:17:03 oil ntpd[5952]: Listen normally on 7 lo ::1 UDP 123 Oct 22 03:17:03 oil ntpd[5952]: peers refreshed Oct 22 03:17:03 oil ntpd[5952]: Listening on routing socket on fd #24 for interface updates Oct 22 03:24:45 oil ntpd[5952]: Deleting interface #5 eth0, fe80::16fe:b5ff:fea4:b39f#123, interface stats: received=0, sent=0, dropped=0, active_time=460 secs Oct 22 03:24:45 oil ntpd[5952]: Deleting interface #3 eth0, 192.168.0.2#123, interface stats: received=40, sent=41, dropped=0, active_time=460 secs Oct 22 03:24:45 oil ntpd[5952]: 220.130.158.71 interface 192.168.0.2 -> (none) Oct 22 03:24:45 oil ntpd[5952]: 118.143.17.82 interface 192.168.0.2 -> (none) Oct 22 03:24:45 oil ntpd[5952]: 14.0.18.136 interface 192.168.0.2 -> (none) Oct 22 03:24:45 oil ntpd[5952]: 54.251.61.122 interface 192.168.0.2 -> (none) Oct 22 03:24:45 oil ntpd[5952]: 203.176.128.10 interface 192.168.0.2 -> (none) Oct 22 03:24:45 oil ntpd[5952]: peers refreshed Oct 22 03:25:02 oil ntpd[5952]: Deleting interface #6 teredo, 2001:0:53aa:64c:875:7e15:90bc:9593#123, interface stats: received=0, sent=0, dropped=0, active_time=477 secs Oct 22 03:25:02 oil kernel: [197600.300333] ntpd[5952]: segfault at 8 ip 00007fda05b58321 sp 00007fff380bd540 error 4 in ntpd[7fda05b3b000+96000] Here is a gdb output: (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. 0x00007f743f09e321 in remove_interface (ep=0x7f74411771b0) at ntp_io.c:1098 1098 ntp_io.c: No such file or directory. (gdb) bt #0 0x00007f743f09e321 in remove_interface (ep=0x7f74411771b0) at ntp_io.c:1098 #1 update_interfaces (port=port@entry=123, receiver=receiver@entry=0x0, data=data@entry=0x0) at ntp_io.c:2010 #2 0x00007f743f09fb34 in interface_update (receiver=receiver@entry=0x0, data=data@entry=0x0) at ntp_io.c:1617 #3 0x00007f743f0c1215 in timer () at ntp_timer.c:394 #4 0x00007f743f0a489b in ntpdmain (argc=<optimized out>, argv=<optimized out>) at ntpd.c:1127 #5 0x00007f743f0954a9 in main (argc=<optimized out>, argv=<optimized out>) at ntpd.c:358 (gdb) I can only reproduce this with the teredo interface. If I disable it (by running "service miredo stop" before testing) I can not re-produce the problem any more. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: ntp 1:4.2.6.p3+dfsg-1ubuntu5 ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5 Uname: Linux 3.5.0-17-generic x86_64 ApportVersion: 2.6.1-0ubuntu4 Architecture: amd64 Date: Mon Oct 22 03:42:12 2012 InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110920.2) KernLog: MarkForUpload: True SourcePackage: ntp UpgradeStatus: Upgraded to quantal on 2012-10-19 (2 days ago) modified.conffile..etc.ntp.conf: [modified] mtime.conffile..etc.ntp.conf: 2012-09-02T19:37:38.651830 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1069543/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
