Disable NTPD and the problem happens much less often. I cron ntpdate to run once per hour to keep the time close. This way I only hear the audio glitch once per hour rather than intermittently.
On Jul 31, 2011 4:57 PM, "Steve Gladden" <steve@michiganbroadband.com> wrote:
> There's a recording of it over here: http://www.youtube.com/watch?v=lqYwhtuVLDs
>
> Steve
>
> -----Original Message-----
> From: app_rpt-users-bounces@ohnosec.org [mailto:app_rpt-users-bounces@ohnosec.org] On Behalf Of George Csahanin
> Sent: Sunday, July 31, 2011 2:16 PM
> To: John Heron
> Cc: app_rpt mailing list
> Subject: Re: [App_rpt-users] [SPAM] Re: Culling Linux Services (ACID)
>
> I think I know what you mean. Shows us as a very brief, repeated disruption to PL tone, drops your mobile/ht decoder, maybe for time in 2 seconds, then ok for a while. t iunterrupts main audio as well, just very brief and not noticed.
>
> Yup, every PC I tried does it. I jusst got used to it.
>
> I wanted to get a recording of it over a year ago, but no clean way to record audio. You really get to notice it if you put your signal generator in the receiver, and modulate with something like a 1Kc tone
>
> I've tried five computers and four USB devices, all do it.
>
> GeorgeC
> W2DB
>
>
> ----- Original Message -----
> From: "John Heron" <jh0932@gmail.com>
> To: "George Csahanin" <george@dyb.com>
> Cc: "Lu Vencl" <vencl@att.net>; "MichaelCarey"
> <michaelcarey@internode.on.net>; "app_rpt mailing list"
> <app_rpt-users@ohnosec.org>
> Sent: Sunday, July 31, 2011 12:26 PM
> Subject: [SPAM] Re: [App_rpt-users] Culling Linux Services (ACID)
>
>
>> Any motorboating issues?
>>
>> Sent from my iPhone
>>
>> On Jul 31, 2011, at 1:21 PM, "George Csahanin" <george@dyb.com> wrote:
>>
>>> So far built 3 on Intel D945GCLF2 boards, PicoPSU power supplies, both
>>> Limey off a CF and Acid off disk
>>>
>>> Use CM108 $6.96 USB sounds FOBs. Brought PTT out of one of them, the
>>> others use printer port for PTT, and all use software squelch and ctcss
>>> decode.
>>>
>>> GeorgeC
>>>
>>> ----- Original Message ----- From: "John Heron" <jh0932@gmail.com>
>>> To: "'Lu Vencl'" <vencl@att.net>; "'Michael Carey'"
>>> <michaelcarey@internode.on.net>; "'app_rpt mailing list'"
>>> <app_rpt-users@ohnosec.org>
>>> Sent: Sunday, July 31, 2011 9:25 AM
>>> Subject: Re: [App_rpt-users] Culling Linux Services (ACID)
>>>
>>>
>>>> It begs the question on what hardware really works 100% and what does
>>>> not. I
>>>> ran into this years ago running a global pactor III network and finally
>>>> had
>>>> to goto a acceptable hardware list as some hardware came real close to
>>>> being
>>>> fully compatible but would sporadically do weird things for no apparent
>>>> reason... a bad thing when the box is in remote jungle locations... It
>>>> boils
>>>> down to who has had the least amount of issues with motherboard a vs. b
>>>> and
>>>> so on...
>>>>
>>>> I am looking at small micro ATX form factors for example... anybody have
>>>> suggestions for a inexpensive repeatable reliable solution?
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: app_rpt-users-bounces@ohnosec.org
>>>> [mailto:app_rpt-users-bounces@ohnosec.org] On Behalf Of Lu Vencl
>>>> Sent: Sunday, July 31, 2011 9:44 AM
>>>> To: 'Michael Carey'; 'app_rpt mailing list'
>>>> Subject: Re: [App_rpt-users] Culling Linux Services (ACID)
>>>>
>>>> Michael,
>>>> I still have not figured out what causes this issue.
>>>> I have tried adding two different NEC chipset USB PCI boards and that
>>>> made
>>>> it much worse on my ASUS mother boards. I believe I have pretty much
>>>> exhausted all options at this point. I just don't know why all 8 of my
>>>> boxes
>>>> 2.8 GHZ (all Asus) do this. I went to slower boxes (even down to 400
>>>> Mhz)
>>>> and I don't get this issue.. Go figure.
>>>> There has to be some other underlying issue where perhaps and interrupt
>>>> is
>>>> being messed with or some other issue. I just can't pin it down.
>>>> I am working out a trade for some slower boxes in exchange for these
>>>> machines as a solution for now.
>>>> Sorry I wish I had a better answer.
>>>> Lu
>>>> KA4EPS
>>>>
>>>> -----Original Message-----
>>>> From: app_rpt-users-bounces@ohnosec.org
>>>> [mailto:app_rpt-users-bounces@ohnosec.org] On Behalf Of Michael Carey
>>>> Sent: Sunday, July 31, 2011 7:00 AM
>>>> To: app_rpt mailing list
>>>> Subject: [App_rpt-users] Culling Linux Services (ACID)
>>>>
>>>> Hi Everybody,
>>>>
>>>> In an effort to make node 27871 a lean, mean, fighting machine... I'm
>>>> trying to keep things neat and tidy by stopping any services that have
>>>> no direct impact on the operation of the node.
>>>>
>>>> I'm after input on what others have done on their own AllStarLink nodes.
>>>>
>>>> I have done a similar thing on my Icom G2 D-Star gateway... going
>>>> through and disabling services (like bluetooth, VNC, smartcard, IPv6,
>>>> etc).
>>>>
>>>> On a side note, has anyone found a definitive cause for the occasional
>>>> motorboating/stuttering audio when an AllStarNode transmits? I have
>>>> another machine that I can use, but I would like to know what causes it
>>>> and how it can be eliminated or reduced. This is the only thing that has
>>>> marred an otherwise perfect experience with my AllStarLink node.
>>>>
>>>> Michael.
>>>> VK5ZEA
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>> _______________________________________________
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>>>>
>>>>
>>>
>>>
>>
>
>
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