Re: [Openbts-discuss] ortp-warning after about 10 minutes of BTS uptime

[Christian M. <Chr...@in...>]

Harvind Samra schrieb:
> Christian,
>
> The IND CLOCK message is issued when the OpenBTS core is too late in
> sending a timeslot packet for transmission.  When the transceiver
> receives this stale packet, it issues the IND CLOCK back to the core to
> remind it to update its internal clock.  You see more of these at
> startup
>
> Other than that, the IND CLOCK message should be issued once per second.
> Since its disappearing for several minutes, then the core must not be
> sending data for transmission.
>   
It seems that all the threads don't do anything at all, well at least 
CLI is responding.
I noticed some symptoms in the whole system. Maybe it is related to the 
preempt-rt patch that I use.
I will doublecheck this against a newer kernel built with and without rt 
patch tomorrow.
> --- Harvind
>
> On Wed, 2009-10-14 at 15:25 +0100, Christian Meier wrote:
>   
>> One got more symptom:
>> At some point, the ClockInterface: sending IND CLOCK messages stop for 
>> some minutes.
>> Then I get the ortp-warnings. After that, IND CLOCK messages continue as 
>> normal.
>>
>> David A. Burgess schrieb:
>>     
>>> It sounds like the process froze for a few seconds, like due to a  
>>> page fault.  That's no excuse for crashing, granted, but it would  
>>> explain everything else.
>>>
>>>
>>> On Oct 13, 2009, at 12:04 PM, Christian Meier wrote:
>>>
>>>   
>>>       
>>>> I additionally noticed, that some seconds before I get the
>>>> ortp-warnings, the BS suddenly disappeared completely from the MS
>>>> network indicator.
>>>>
>>>>     
>>>>         
>>> David A. Burgess
>>> Kestrel Signal Processing, Inc.
>>>
>>>
>>>
>>>
>>>
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>
>
>
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