[asterisk-users] IBM Server / USB Ports

[Tzafrir Cohen]

On Thu, Dec 14, 2006 at 11:13:29AM -0500, Matt wrote:
> Hi,
> I have an IBM xSeries server... 

Which model, exactly? With which customizations? 

> and the digium card is sharing IRQ
> with USB and giving me crackling audio.

Do you actually get any interrupts from the USB? 

> 
> >>>cat /proc/interrupts
> >>>
> >>>It brings up these results:
> >>>   0:   10566547    IO-APIC-edge  timer
> >>>   1:          9    IO-APIC-edge  i8042
> >>>   2:          0          XT-PIC  cascade
> >>>   8:          1    IO-APIC-edge  rtc
> >>>  12:         93    IO-APIC-edge  i8042
> >>>  14:         23    IO-APIC-edge  ide0
> >>>121:     481478   IO-APIC-level  uhci_hcd:usb2, eth0
> >>>137:          0   IO-APIC-level  uhci_hcd:usb3
> >>>153:          0   IO-APIC-level  ehci_hcd:usb1

Try connecting a USB device. I guess you'd suddenly get interrupts here.
I bet all the interrupts on 121 are from the network controller.

> >>>161:      28479   IO-APIC-level  ips
> >>>169:   10526429   IO-APIC-level  wctdm24xxp
> 
> IBM is saying that I can not disable the USB ports!!!!!    Can anyone
> offer any insight.. either as to how to disable the USB ports, or how
> to make this work on an IBM xSeries?

-- 
               Tzafrir Cohen       
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