Re: [Openbts-discuss] problem with reregistring of phone / sms hangs Openbts /ortp warning

[Harvind S. <hs...@ke...>]

The message

fusb: short write xfr: 0 != 2560

is a known bug in the USRP USB drivers.

What the CPU usage when you are running OpenBTS?

--- Harvind

On Sun, 2009-12-13 at 02:09 +0100, meetmecall wrote:
> I have tried to get a phone registered for days, making little  
> adjustments and following advice. I received SIM cards that has  
> proofed to work with OpenBTS and again no results. I had my my USRP on  
> a desk with some Epia ITX motherboards running and some other devices.  
> I moved the OpenBTS setup to the living room and the miracle happened:  
> I had a registered Nokia 3330. I could make a phonecall to a Music On  
> Hold extension I set up in Asterisk, I could send an SMS from the  
> OpenBTS cli to the phone and with a call file in Asterisk I had the  
> phone called by the Asterisk server. Is it really possible that a  
> couple of Epia ITX boards can make a USRP not work properly or is this  
> just a strange coincidence.
> 
> When the phone looses registration because I walk it out  of range it  
> doesn'r reregister when the phone is moved within the range of  
> operation of the OpenBTS GSM access point again. If I restart the  
> server and the usrp and when I completely restart the Nokia 3330 after  
> a while (5 minutes 10 minutes) the phone is registring again. It seems  
> to work in a way but it is very unpredictable, the registration  
> process takes a long time and reregistring isn't working at all (at  
> least not within 15 minutes). Is there anything in the settings I can  
> change to make it work better and make OpenBTS more aggressive in  
> discovering and registring new phones.
> 
> I tried to send an sms to the phone itself and used the IMSI number  
> for it. This makes the OpenBTS hang with this output over and over  
> again:
> 
> fusb: short write xfr: 0 != 2560
> 
> Is this a known bug or should I  rapport this to a bug tracker .How am  
> I suppose to send an SMS from a phone to a phone. Sending an sms from  
> the OpenBTS cli works fine.
> 
> Now and then I have a message in the OpenBTS cli:
> 
> ortp-warning-Must catchup 57 milliseconds
> 
> Is this a serious warning if it shows op a couple of times a day. I  
> installed ortp from ortp-0.15.0.tar.gz
> 
> 
> Thanks in advance.
> 
> 
> \erik
> gnuradio 3.2.2
> OpenBTS 2.5
> otrp
> 
> 
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