Re: [ntp:questions] Beginner needs help...

2011-03-08 Thread Terje Mathisen
Chris Albertson wrote: On Mon, Mar 7, 2011 at 2:11 PM, David Woolley wrote: Terje Mathisen wrote: David Woolley wrote: Chris Albertson wrote: If you are on an isolated network a better setup is to put three SERVER lines in each config file where each of the tree computers has itself and

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Miroslav Lichvar
On Sun, Mar 06, 2011 at 11:22:34AM +, David Woolley wrote: > Ralph wrote: > > >filtoffset= 67671.8 66534.8 65931.3 65118.0 63317.3 63029.5 62216.4 58156.6, > > Your frequency error is way outside any reasonable bounds, which is > reflecting in a very high jitter, which is probably the ultimat

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Ralph
Ok. The host OS time is fine so I'd have no problem using that as the source for my linux guest. What no one has provided yet is an answer to 'how' to get the linux guest VM to get the proper time from the host? ___ questions mailing list questions@list

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Ralph
Sorry if the formatting is bad. I don't have a local newsfeed (ISPs seems to have abonded providing that) so I have to post via google. I wraps fine on their editor but I can see where it might not format well in the newsfeed. ___ questions mailing lis

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Ralph
> When are you going to start working on it? > ... or are you asking others to do free programming > for you, to work around your unique problem? Maybe I deserve that flame for having ranted a bit, but I hardly think the problem of clock time that won't behave within a linux guest VM is 'un

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Ralph
Well it started out as NTP's problem because apparently the clock instability makes it so NTP can't run right on the guest. I understand this isn't so much an NTP problem if the expectation is that NTP can't run on a guest OS, but since everyone seemed to state so matter of factly that the guest sh

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread David J Taylor
"Ralph" wrote in message news:c5b90638-395f-4e77-8761-f99c25343...@glegroupsg2000goo.googlegroups.com... Ok. The host OS time is fine so I'd have no problem using that as the source for my linux guest. What no one has provided yet is an answer to 'how' to get the linux guest VM to get the prope

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Ralph
Host OS is windows (2008 if we want to get specific) nose and corkskrew is nessecary because frankly I'm not accustomed to there being any difference between a guest OS and a physical OS in most cases and even when there is it hasn't been relevant what the host OS is.

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread David J Taylor
Sorry if the formatting is bad. I don't have a local newsfeed (ISPs seems to have abonded providing that) so I have to post via google. I wraps fine on their editor but I can see where it might not format well in the newsfeed. Ralph, You may be able to use one of the free news services inst

Re: [ntp:questions] Beginner needs help...

2011-03-08 Thread David J Taylor
"Terje Mathisen" <"terje.mathisen at tmsw.no"> wrote in message news:54vg48-ttp2@ntp6.tmsw.no... [] A RAIG (Redundant Array of Inexpensive GPSs) setup solves that problem as well. :-) I.e. as I wrote I have 3 Oncores as well. Terje 3 GPS for about US $100 and a little soldering: http:

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Rob
David J Taylor wrote: > "Ralph" wrote in message > news:d695207e-04ec-4664-8580-35bc25806...@glegroupsg2000goo.googlegroups.com... >> Well it started out as NTP's problem because apparently the >> clock instability makes it so NTP can't run right on the guest. >> I understand this isn't so much

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread David J Taylor
"Ralph" wrote in message news:d695207e-04ec-4664-8580-35bc25806...@glegroupsg2000goo.googlegroups.com... Well it started out as NTP's problem because apparently the clock instability makes it so NTP can't run right on the guest. I understand this isn't so much an NTP problem if the expectation i

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Uwe Klein
Ralph wrote: Host OS is windows (2008 if we want to get specific) nose and corkskrew is nessecary because frankly I'm not accustomed to there being any difference between a guest OS and a physical OS in most cases and even when there is it hasn't been relevant what the host OS is. Hi Ralph, Y

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread David J Taylor
"Rob" wrote in message [] VMware advises to run ntpd in the guest. Thanks, Rob. I wonder whether this is a change from their earlier suggestions? I see that they now do suggest this as one route (as well as providing their own time synchronisation program as another option). Are the reco

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Richard B. Gilbert
On 3/8/2011 4:16 AM, Miroslav Lichvar wrote: On Sun, Mar 06, 2011 at 11:22:34AM +, David Woolley wrote: Ralph wrote: filtoffset= 67671.8 66534.8 65931.3 65118.0 63317.3 63029.5 62216.4 58156.6, Your frequency error is way outside any reasonable bounds, which is reflecting in a very high

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Chris Albertson
On Tue, Mar 8, 2011 at 1:16 AM, Miroslav Lichvar wrote: > On Sun, Mar 06, 2011 at 11:22:34AM +, David Woolley wrote: > This seems to be a common problem and with virtual machines getting > everywhere it will probably only get worse. I'm wondering how hard it > would be for ntpd to detect that

Re: [ntp:questions] Beginner needs help...

2011-03-08 Thread Chris Albertson
On Mon, Mar 7, 2011 at 10:32 PM, Terje Mathisen <"terje.mathisen at tmsw.no"@ntp.org> wrote: >> The problem is that on an isolated island of N servers you want to >> automatically select the one server that has the "best" clock even >> when some computers are not running.  I think "orphan" handles

[ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread JohnAllen
Maybe I read this too quickly, but the report published today by the UK Royal Academy of Engineering (see http://www.raeng.org.uk/news/publications/list/reports/RAoE_Global_Navigation_Systems_Report.pdf and also the BBC coverage at http://www.bbc.co.uk/news/science-environment-12668230) seems to b

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread unruh
On 2011-03-08, Ralph wrote: > > >> When are you going to start working on it? >> ... or are you asking others to do free programming >> for you, to work around your unique problem? > > Maybe I deserve that flame for having ranted a bit, but > I hardly think the problem of clock time that wo

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread unruh
On 2011-03-08, Ralph wrote: > Host OS is windows (2008 if we want to get specific) > > nose and corkskrew is nessecary because frankly I'm not > accustomed to there being any difference between a guest > OS and a physical OS in most cases and even when there is > it hasn't been relevant what the h

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Ralph
I'm going to end this particular line of discussion because it is clear that this is a fruitless conversation and arguing back and forth about my personal ability to code a solution for VM time syncronization doesn't do anything for the problem at hand.

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread unruh
On 2011-03-08, Richard B. Gilbert wrote: > On 3/8/2011 4:16 AM, Miroslav Lichvar wrote: >> On Sun, Mar 06, 2011 at 11:22:34AM +, David Woolley wrote: >>> Ralph wrote: >>> filtoffset= 67671.8 66534.8 65931.3 65118.0 63317.3 63029.5 62216.4 58156.6, >>> >>> Your frequency error is way

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Terje Mathisen
JohnAllen wrote: Maybe I read this too quickly, but the report published today by the UK Royal Academy of Engineering (see http://www.raeng.org.uk/news/publications/list/reports/RAoE_Global_Navigation_Systems_Report.pdf and also the BBC coverage at http://www.bbc.co.uk/news/science-environment-1

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Ralph
Well along those lines, what about creating a driver or deamon (for lack of something better to call it) that provides time to ntpd that gets that time from the host machine? Similar to the local clock setting but somehow trusting the host. Or would that still have the problems with high jitter w

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Miroslav Lichvar
On Tue, Mar 08, 2011 at 05:00:44PM +, unruh wrote: > filtoffset= 67671.8 66534.8 65931.3 65118.0 63317.3 63029.5 62216.4 > 58156.6, > Not at all sure how Mills comes into the picture. On a system where the > frequency fluctuates wildly, ntpd is not the right answer, nor is any > sys

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread unruh
On 2011-03-08, Ralph wrote: > Well along those lines, what about creating a driver or deamon (for > lack of something better to call it) that provides time to ntpd that > gets that time from the host machine? Similar to the local clock > setting but somehow trusting the host. Or would that still

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread jimp
JohnAllen wrote: > Maybe I read this too quickly, but the report published today by the > UK Royal Academy of Engineering (see > http://www.raeng.org.uk/news/publications/list/reports/RAoE_Global_Navigation_Systems_Report.pdf > and also the BBC coverage at > http://www.bbc.co.uk/news/science-envi

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread unruh
On 2011-03-08, j...@specsol.spam.sux.com wrote: > JohnAllen wrote: >> Maybe I read this too quickly, but the report published today by the >> UK Royal Academy of Engineering (see >> http://www.raeng.org.uk/news/publications/list/reports/RAoE_Global_Navigation_Systems_Report.pdf >> and also the BB

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Chris Albertson
On Tue, Mar 8, 2011 at 9:04 AM, Ralph wrote: > I'm going to end this particular line of discussion because > it is clear that this is a fruitless conversation and arguing > back and forth about my personal ability to code a solution for > VM time syncronization doesn't do anything for the problem

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Chuck Swiger
On Mar 8, 2011, at 9:13 AM, Ralph wrote: > Well along those lines, what about creating a driver or deamon (for > lack of something better to call it) that provides time to ntpd that > gets that time from the host machine? I still haven't been able to figure out which virtualization system you are

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Chris Albertson
>> There is a big difference between keeping a computer's time of day clock >> set to the current time (NTP) and maintaining timing or frequency control >> in a telecom system. > > And exactly what is that difference? While ntp is perhaps too slow to > respond to local frequency changes, how do you

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread unruh
On 2011-03-08, Miroslav Lichvar wrote: > On Tue, Mar 08, 2011 at 05:00:44PM +, unruh wrote: >> filtoffset= 67671.8 66534.8 65931.3 65118.0 63317.3 63029.5 62216.4 >> 58156.6, > >> Not at all sure how Mills comes into the picture. On a system where the >> frequency fluctuates wildly,

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Jan Ceuleers
On 08/03/11 19:39, unruh wrote: And exactly what is that difference? While ntp is perhaps too slow to respond to local frequency changes, how do you see the difference between keeping a computer's idea of local time accurate from keeping a telecom's idea of local time accurate? GPS is used not

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Uwe Klein
Jan Ceuleers wrote: On 08/03/11 19:39, unruh wrote: And exactly what is that difference? While ntp is perhaps too slow to respond to local frequency changes, how do you see the difference between keeping a computer's idea of local time accurate from keeping a telecom's idea of local time accura

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread jimp
unruh wrote: > On 2011-03-08, j...@specsol.spam.sux.com wrote: >> JohnAllen wrote: >>> Maybe I read this too quickly, but the report published today by the >>> UK Royal Academy of Engineering (see >>> http://www.raeng.org.uk/news/publications/list/reports/RAoE_Global_Navigation_Systems_Report.pd

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Chuck Swiger
On Mar 8, 2011, at 11:28 AM, Chris Albertson wrote: >> And exactly what is that difference? While ntp is perhaps too slow to >> respond to local frequency changes, how do you see the difference >> between keeping a computer's idea of local time accurate from keeping a >> telecom's idea of local tim

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Harlan Stenn
Uwe wrote: > No GPS seems to kill any CDMA mobile networks. > GSM isn't affected at all. > > How masochistic must one be to do telco infrastructure in such > a haphazard way? That seems more sadistic than masochistic to me... H ___ questions mailing li

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Uwe Klein
Chris Albertson wrote: NTP simply is not good enough for use in a tower so it is not used. And why would they use it when all towers by definition have a clear view of the sky IMHO the basic concept of your system is broken when you have sync to such high requirements and need external infrastr

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Steve Kostecke
On 2011-03-08, Chuck Swiger wrote: > Seriously, each physical machine only has one RTC and crystal > oscillator. It's useful to run one instance of ntpd in the Dom0 (or > host ESX) context where it can actually work and keep this real > hardware clock in sync. NTP disciplines the system (i.e. ke

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Chris Albertson
On Tue, Mar 8, 2011 at 1:14 PM, Uwe Klein wrote: > IMHO the basic concept of your system is broken when you have > sync to such high requirements and need external infrastructure > to achieve this. > this then is an extremely fickle system that lacks robustness. I can't defend the design of CDMA

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread jimp
Uwe Klein wrote: > Chris Albertson wrote: >> NTP simply is not good enough for use in a tower so it is not used. >> And why would they use it when all towers by definition have a clear >> view of the sky > > IMHO the basic concept of your system is broken when you have > sync to such high require

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Chuck Swiger
On Mar 8, 2011, at 1:18 PM, Steve Kostecke wrote: On 2011-03-08, Chuck Swiger wrote: >> Seriously, each physical machine only has one RTC and crystal >> oscillator. It's useful to run one instance of ntpd in the Dom0 (or >> host ESX) context where it can actually work and keep this real >> hardwar

Re: [ntp:questions] GPX18x LVC 3.50 firmware - high serial delay problem workround

2011-03-08 Thread Q
"David J Taylor" wrote in message news:ijk0a0$ssp$1...@news.eternal-september.org... >> Ok I'll go back over your past posts re the problem and report it myself >> to Garmin UK and see what they say - once I get something back I'll let >> you know. >> >> I have 3.60 running anyway with no new

Re: [ntp:questions] Flash 400 on all peers; can't get ntpd to be happy

2011-03-08 Thread Steve Kostecke
On 2011-03-08, Chuck Swiger wrote: > On Mar 8, 2011, at 1:18 PM, Steve Kostecke wrote: > >> On 2011-03-08, Chuck Swiger wrote: >> >>> Seriously, each physical machine only has one RTC and crystal >>> oscillator. It's useful to run one instance of ntpd in the Dom0 (or >>> host ESX) context where

Re: [ntp:questions] UK report on GPS vulnerabilities seems to overlook NTP

2011-03-08 Thread Q
"Chris Albertson" wrote in message news:aanlktimwu-ezzxv9pp-gbg9mft1ylhsf9edrdzlkj...@mail.gmail.com... > I can't defend the design of CDMA cell technology. But I'm sure a lot > of it was driven by trying to get as many calls as possible into a > limited bandwidth. Another requirement for