[asterisk-users] zaptel/ssh interaction

[Gordon Henderson]

On Sat, 14 Apr 2007, Greg Woods wrote:

> On Sat, 2007-04-14 at 14:17 -0500, Lacy Moore - Aspendora wrote:
>
>> This was mentioned earlier:
>>
>>> I suspect IRQ Sharing.
>
> I know. And I posted my /proc/interrupts showing that there were no
> shared IRQ's.

I can't see either how an IRQ conflict would affect SSH. To me that's just 
bogus, and it seems that every time theres an issue with a Zaptel 
card/driver the easiest solution is to shout: "Check your IRQs".

If there was an IRQ conflict it would affect all ethernet traffic, 
wouldn't it? Why would it single out ssh... ?


> # cat /proc/interrupts
>           CPU0
>  0:  670560442   IO-APIC-edge      timer
>  1:      20079   IO-APIC-edge      i8042
>  6:          2   IO-APIC-edge      floppy
>  7:          0   IO-APIC-edge      parport0
>  8:          1   IO-APIC-edge      rtc
>  9:          0   IO-APIC-fasteoi   acpi
> 12:      23344   IO-APIC-edge      i8042
> 14:    1073586   IO-APIC-edge      ide0
> 15:    5943428   IO-APIC-edge      ide1
> 16:       5554   IO-APIC-fasteoi   libata
> 17:    1441409   IO-APIC-fasteoi   uhci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb4, ehci_hcd:usb5
> 18:   23387293   IO-APIC-fasteoi   eth0
> 19:  613419658   IO-APIC-fasteoi   wctdm
> 20:    2592107   IO-APIC-fasteoi   eth1
> 21:       2597   IO-APIC-fasteoi   Ensoniq AudioPCI
> NMI:          0
> LOC:  670560322
> ERR:          0
> MIS:          0

That looks fine to me. (if a little busy, if this were a production 
server, I'd go into the BIOS and disable as much as I could and compile up 
a custom kernel)

Are you using a CentOS package? Have you tried compiling asterisk/zaptel 
from scratch? I'd think it's highly unlikely that Zaptel would be 
listeining on port 22 (ssh) though, but you might want to check
with netstat, and I'd not have thought there would be any firewall
issues (does CentOC come with a built-in firewall? Can you turn it off?
(iptables -n -L to list)

More questions that answers I'm afraid...

Gordon