[Freeswitch-users] Choppy VM when using loopback (on Debian lenny)

[Øyvind Albrigtsen]

Thanks for all your feedback. I'll keep on trying and inform you what 
worked for me.


Regards
Oyvind

On 2011-01-29 21:48, Anthony Minessale wrote:
> Everyone should try latest GIT before pondering any further because I
> added a patch like 2 days ago to adress this issue.
>
>
> On Sat, Jan 29, 2011 at 2:12 PM, Frank Park<frank at telonium.com>  wrote:
>    
>> Yeah. I, too, don't see the correlation between the NTP and hw timer..
>> I am not familiar with the timer_test command and what it's measuring, but
>> of the 50 tests it ran, min is 19089 and max is 20713.
>> Frank
>>
>>
>> On Fri, Jan 28, 2011 at 2:33 PM, David Ponzone<david.ponzone at ipeva.fr>
>> wrote:
>>      
>>> Frank,
>>> I fail to see the relationship between the hw timer and NTP.
>>> Can you please elaborate ?
>>> David Ponzone  Direction Technique
>>> email: david.ponzone at ipeva.fr
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>>>
>>> Le 28/01/2011 à 19:49, Frank Carmickle a écrit :
>>>
>>> Hi
>>>
>>> On Jan 28, 2011, at 7:39 AM, Øyvind Albrigtsen wrote:
>>>
>>> Hi,
>>>
>>> I'm using latest git-version of Freeswitch, and when I go to voicemail
>>>
>>> when calling a number the sound playback is choppy and it skips some of
>>>
>>> the digits in the number I called.
>>>
>>> What kind of results do you get from timer_test at the fs_cli?  Are you
>>> running on hardware or are you virtualized?  What is your clock source set
>>> to and what are your available clock source options?  See
>>> /sys/devices/system/clocksource/clocksource0/available_clocksource and
>>> /sys/devices/system/clocksource/clocksource0/current_clocksource.  I am
>>> running virtualized with the 2.6.26-2-xen-amd64 and I can get timer_test to
>>> hang at 19998/19999 which works very well for me.  When I was having problem
>>> it was reporting numbers all over the map from 17400 to 22600 with lots of
>>> randomness in between.  I have my clocksource set to jiffies and xen
>>> independent wallclock set to 1.  Of course at that point you need to have
>>> ntp running against a bunch of servers to drive your clock nice and steady.
>>>   I know my set up is probably a lot different than yours but I thought I'd
>>> toss it out there to show that some of the harshest conditions can be dealt
>>> with and don't give up trying.  If you are running on hardware with a cpu
>>> that doesn't have constant_tsc then you might have some problems.  Just play
>>> with the different timer options until you find the one that works.
>>>
>>> HTH
>>> --FC
>>>
>>>
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>>>        
>>
>>
>> --
>>
>> ----=======================----
>> Frank Park
>> Telonium Communications, LLC
>> frank at telonium.com
>> http://www.telonium.com
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>>      
>
>
>