[Asterisk-Users] Cannot get two TE410Ps to operate correctly in the same machine

[Alfred Certain]

Fernando,

I experienced some problems like you reports now, and I solved making an 
upgrade to the OS. Redhat 8.0 has an old kernel and there are some 
issues about disk access that can cause that problem. There is no enough 
kernel upgrades on RH8 to fix it, so try to move to Fedora Core 1 and 
everything will be better.

Alfred Certain
GECKO

http://www.gecko-soft.com

Dr. Fernando Macías Garza wrote:

> I've been running Asterisk for months with no problems. I have grown 
> to the point where I need an aditional TE cards. After many attempts I 
> was able to add the second card without affecting the performance of 
> the first. However, the second card is not working properly.
>
> Setup
> =====
>
> - Running on a Dell Server.
> - RedHat 8
> - Asterisk 1.0
> - I have two TE410Ps on that box, card 0 assigned to IRQ 4 and card 1 
> assigned to IRQ 3.
> - The rotary switch on both cards is set to 0.
> - I have tried setting the switch on card 1 to other than 0, but it 
> does not work (what is the switch for??)
> - Both cards have 3 E1 spans and one T1, both in the same order.
> - Card 0 has worked well for months, and works well even now that card 
> 1 is installed.
> - zttool finds the 2 cards.
>
> Interrupts are as follows:
>
>          CPU0
> 0:    1382239          XT-PIC  timer
> 1:       4177          XT-PIC  keyboard
> 2:          0          XT-PIC  cascade
> 3:    2659119          XT-PIC  t4xxp
> 4:    2659098          XT-PIC  t4xxp
> 8:          1          XT-PIC  rtc
> 10:     200713          XT-PIC  eth0, eth1
> 11:          0          XT-PIC  ide2
> 12:         20          XT-PIC  PS/2 Mouse
> 14:      12541          XT-PIC  ide0
> NMI:          1
> ERR:          0
>
>
> Problems
> ========
>
> - Choppy voice on calls between channels of card 1.
> - Even worse on calls between card 0 and card 1.
> - Card 0 behaves well.
> - IRQ misses for card 1. Have tried different interrupts. Same thing.
> - HDLC overrun messages on console for card 1.
>
> Strange fact, may be the cause of the problem
> =============================================
>
> Configuration for first span on card 1 is:
>
> span=5,1,0,ccs,hdb3
> bchan=118-132
> dchan=133
> bchan=134-148
>
> However, zttool reports card as "Internally Clocked". No matter how 
> I've tried, I cannot get card 1 to clock from the external source:
> Sync Source:        Internally clocked
>
> First span on card 0 is configured just the same:
>
> span=1,1,0,ccs,hdb3
> bchan=1-15
> dchan=16
> bchan=17-31
>
> This card gets clocked OK:
> Sync Source:        TE410P (PCI) Card 0 Span 1
>
>
> Thanks in advance
>
> Fernando
>
>
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