Your message dated Mon, 3 Apr 2017 23:11:18 +0200
with message-id <[email protected]>
and subject line Re: Bug#670657: large offsett with ipv6 enabled
has caused the Debian Bug report #670657,
regarding large offsett with ipv6 enabled
to be marked as done.
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670657: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670657
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--- Begin Message ---
Package: ntp
Version: 1:4.2.6.p2+dfsg-1+b1
Hi,
when IPv6 is enabled (dual stack) and ntpd uses IPv4-only NTP servers the
offset is very large. Curiously ntpq shows this.
example:
root@<host with IPv6>:~# ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
<source1> 131.188.3.221 2 u 20 64 377 0.246 -11518. 1424.63
+<source2> 131.188.3.221 2 u 18 64 377 0.262 -9841.4 2045.84
<source3> 131.188.3.220 2 u 26 64 377 0.300 -9220.8 2519.30
After disabling IPv6 (adding "ipv6.disable=1" to GRUB_CMDLINE_LINUX_DEFAULT in
/etc/default/grup, running update-grub2 and restarting the machine) everything
works fine.
root@<host with IPv6>:~# ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
<source1> 131.188.3.220 2 u 20 128 377 0.263 -1.236 0.622
*<source2> 131.188.3.222 2 u 32 128 377 0.279 -1.334 0.587
-<source3> 131.188.3.221 2 u 16 128 377 0.275 -2.418 0.831
root@<host>:~# cat /etc/debian_version
6.0.4
root@<host>:~# uname -a
Linux vision07 2.6.32-5-amd64 #1 SMP Thu Mar 22 17:26:33 UTC 2012 x86_64
GNU/Linux
Greetings,
Christian Estelmann
--- End Message ---
--- Begin Message ---
Control: fixed -1 1:4.2.6.p5+dfsg-7
On Fri, Apr 27, 2012 at 07:30:48PM +0200, Estelmann, Christian wrote:
> when IPv6 is enabled (dual stack) and ntpd uses IPv4-only NTP servers
> the offset is very large. Curiously ntpq shows this.
I cannot reproduce this (using IPv6 for 15+ years, never seen this).
Verified in Jessie and Stretch.
I'm going to close this bug, if you still see this please reopen.
Bernhard
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