[Bug 787551] Re: ntpdate 4.2.6p2 at 1.2194-o: "no server suitable for synchronization found" - works with 4.2.4p8 at 1.1612-o
Dave Walker
davewalker at ubuntu.com
Mon Jun 13 15:07:35 UTC 2011
** Description changed:
- Binary package hint: ntpdate
+ IMPACT: When attempting to sync to some ntp servers, a failure is consistently produced.
+ FIXED: In oneiric and upstream >4.2.6p3-RC9 or >4.2.7p80
+ PATCH: debdiff attached.
+ REPRODUCE: On Natty run ntpdate against an NTP server where receive and transmit timestamps are equal (Includes windows server 2003).
- ntpdate on natty (4.2.6p2 at 1.2194-o) fails to sync with server, while
- lucid server ntpdate works
+ Test: ntpdate xxx.xxx.xxx.xxx
- Issue seems to be identical to
+ Expected failure is:
+ ntpdate[7149]: no server suitable for synchronization found
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=599793
- http://bugs.ntp.org/show_bug.cgi?id=1709
+ Expected success is (example):
+ ntpdate[13959]: adjust time server 66.36.239.66 offset 0.144635 sec
- Bug was introduced in 4.2.6p2, should be fixed in 4.2.6p3 (see links)
-
- Please note also, that ntp.org is deprecating ntpdate (see
- http://support.ntp.org/bin/view/Dev/DeprecatingNtpdate )).
-
- # lsb_release -rd
- Description: Ubuntu 11.04
- Release: 11.04
- # apt-cache policy ntpdate
- ntpdate:
- Installed: 1:4.2.6.p2+dfsg-1ubuntu5
- Candidate: 1:4.2.6.p2+dfsg-1ubuntu5
- Version table:
- *** 1:4.2.6.p2+dfsg-1ubuntu5 0
- 500 http://ubuntu-proxy-ehealth.d03.arc.local/ubuntu/ natty/main i386 Packages
- 100 /var/lib/dpkg/status
+ DISCUSSION:
+ Regression potential is considered low. It is a patch cherry picked from upstream, and has been fixed in some other distros since December 2010.
** Patch added: "natty debdiff"
https://bugs.launchpad.net/ntp/+bug/787551/+attachment/2167382/+files/ntp_4.2.6.p2%2Bdfsg-1ubuntu5.1.debdiff
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https://bugs.launchpad.net/bugs/787551
Title:
ntpdate 4.2.6p2 at 1.2194-o: "no server suitable for synchronization
found" - works with 4.2.4p8 at 1.1612-o
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