Debugged and searched with that extra info - found the (very likely) cause and fix: http://bugs.ntp.org/show_bug.cgi?id=2954 http://bugs.ntp.org/show_bug.cgi?id=2831
It is essentially a race around locking which is why at the same time it can: - occur often in the field - never showed up in testing We need to merge the newest version from Debian to fix in Yakkety - yet we have quite a few dependencies that we wanted to put into the next merge so this needs some evaluation. For Xenial we need to discuss if we can take the stable branch or if we have to backport juts the fix (complex and a lot of dependencies) ** Bug watch added: bugs.ntp.org/ #2954 http://bugs.ntp.org/show_bug.cgi?id=2954 ** Bug watch added: bugs.ntp.org/ #2831 http://bugs.ntp.org/show_bug.cgi?id=2831 ** Also affects: ntp via http://bugs.ntp.org/show_bug.cgi?id=2831 Importance: Unknown Status: Unknown ** Changed in: ntp (Ubuntu) Status: Confirmed => Triaged -- 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/1567540 Title: ntpd crashed with SIGABRT (was: ntp crashes everytime the network goes up or down.) Status in NTP: Unknown Status in ntp package in Ubuntu: Triaged Bug description: ntp crashes every time the network goes up or down while the system is running and also crashes after booting up without network. --- ApportVersion: 2.20.1-0ubuntu1 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-03-12 (26 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224) NtpStatus: ntpq: read: Connection refused Package: ntp 1:4.2.8p4+dfsg-3ubuntu4 PackageArchitecture: amd64 ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-17-generic root=UUID=306314bc-efcb-4c2d-b0e9-e05ec92ed0f0 ro ProcVersionSignature: Ubuntu 4.4.0-17.33-generic 4.4.6 Tags: xenial Uname: Linux 4.4.0-17-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ApportVersion: 2.20.1-0ubuntu1 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-03-12 (31 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224) NtpStatus: ntpq: read: Connection refused Package: ntp 1:4.2.8p4+dfsg-3ubuntu5 PackageArchitecture: amd64 ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic root=UUID=306314bc-efcb-4c2d-b0e9-e05ec92ed0f0 ro ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6 Tags: xenial Uname: Linux 4.4.0-18-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ApportVersion: 2.20.1-0ubuntu1 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-04-13 (0 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160412) NtpStatus: ntpq: read: Connection refused Package: ntp 1:4.2.8p4+dfsg-3ubuntu5 PackageArchitecture: amd64 ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic root=UUID=13f57794-2e19-4a56-836a-94185bba5ec5 ro quiet splash ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6 Tags: xenial Uname: Linux 4.4.0-18-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ApportVersion: 2.20.1-0ubuntu1 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-04-13 (0 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160412) NtpStatus: ntpq: read: Connection refused Package: ntp 1:4.2.8p4+dfsg-3ubuntu5 PackageArchitecture: amd64 ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic root=UUID=13f57794-2e19-4a56-836a-94185bba5ec5 ro quiet splash ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6 Tags: xenial Uname: Linux 4.4.0-18-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-04-14 (3 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160412) NtpStatus: ntpq: read: Connection refused Package: ntp 1:4.2.8p4+dfsg-3ubuntu5 PackageArchitecture: amd64 ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-20-generic root=UUID=b9c0528f-e81f-4b08-9b31-032f14f72ccd ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-20.36-generic 4.4.6 Tags: xenial Uname: Linux 4.4.0-20-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-04-14 (3 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160412) NtpStatus: ntpq: read: Connection refused Package: ntp 1:4.2.8p4+dfsg-3ubuntu5 PackageArchitecture: amd64 ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-20-generic root=UUID=b9c0528f-e81f-4b08-9b31-032f14f72ccd ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-20.36-generic 4.4.6 Tags: xenial Uname: Linux 4.4.0-20-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-04-14 (63 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160412) NtpStatus: ntpq: read: Connection refused Package: ntp 1:4.2.8p4+dfsg-3ubuntu5 PackageArchitecture: amd64 ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-25-generic root=UUID=3aea4570-4011-4247-9636-68317385324d ro ProcVersionSignature: Ubuntu 4.4.0-25.44-generic 4.4.13 Tags: xenial third-party-packages Uname: Linux 4.4.0-25-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dialout dip lpadmin mail netdev plugdev sambashare sudo _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ntp/+bug/1567540/+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
