[Asterisk-Users] Alternatives to SpanDSP??

Steve Underwood steveu at coppice.org
Tue Apr 26 06:33:22 MST 2005


Hi Andrew,

If you can catch one of these events, and get a traceback of the stack, 
I will take a look. This is not happening to most users, so it must be 
some specific combination of things on your machine. I have reports of 
high volume faxing running for extended periods from some users.

Regards,
Steve


Andrew Kohlsmith wrote:

>On April 26, 2005 08:12 am, Steve Underwood wrote:
>  
>
>>Why would you expect a bunch of fax modems to work any better than
>>spandsp? If spandsp doesn't work reliably your system is very likely
>>broken.
>>    
>>
>
>I've had spandsp crash out on some kind of floating point error about a half 
>dozen times over about 250 faxes.... When it crashes it takes Asterisk down 
>with it.  These systems are SuperMicro Xeon server-class systems, no 
>overclocking, RAM was tested overnight with memtest86, no-nonsense, nothing 
>funny type machines.  SpanDSP and Asterisk were both compiled with the same 
>compiler without any oddball optimizations (just whatever's in the default 
>makefiles).
>
>It's a bitch to try and reconstruct, but it's the only reason I'm not using 
>spandsp in production; when I was using spandsp I had it on a completely 
>separate machine on the local LAN to avoid the spandsp crashes from taking 
>the voice part down.
>
>-A.
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