[asterisk-users] Enabling Second Processor Trashes Audio Quality

[Raphael Jacquot]

George Pajari wrote:
> Any thoughts on this one?
> 
> IBM xSeries 330 processor running Debian 3.1 (2.6.8 kernel) with a 
> TE406P board.
> 
> Working fine (more or less) connected to a couple of PRIs.
> 
> Rebuild kernel with support for second CPU and inbound (PRI -> SIP) 
> audio is badly garbled. Outbound (Asterisk -> PRI) is fine.
> 
> Rebooting a kernel with support for only a single CPU clears up the problem
> 
> There is a small possibility that the TE406P card is acting up and that 
> the audio problem is coincidental with the switch between 
> dual-processor/single-processor kernels but thought I'd consult the list 
> for advice.
> 
> Will be swapping out the TE406P for a new TE407P in the next couple of 
> days and will report findings then.
> 
> g.
> 

those have intel processors inside, no ?

you may be a victim of the bus sharing crap that intel uses (that is, 
processors are in parallel on the processor => north bridge)