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[Xen-users] PCI card does not generate any Interrupts!

from [Niki Hammler]

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Subject:	[Xen-users] PCI card does not generate any Interrupts!
From:	Niki Hammler <mailinglists@xxxxxxxxx>
Date:	Sat, 07 Apr 2007 19:07:34 +0200
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Hi,

I'm importing a HFC ISDN Card to my domU. Building zaptel and the zaphfc
driver works fine and also loading it.
The application using the driver (Asterisk) does not print out
errors/warnings.

But the Card does not work! Normally, this card generates 8000
Interrupts per second. In my case, no interrupts are generated!! (Any
therefor the card does not work).

My Fritz! Card works!

Here is the interrupt-output:

# cat /proc/interrupts
           CPU0
 18:     279690        Phys-irq  fcpci
 20:          0        Phys-irq  zaphfc
256:     238626     Dynamic-irq  timer0
257:        522     Dynamic-irq  xenbus
258:        144     Dynamic-irq  xencons
259:       9739     Dynamic-irq  blkif
260:          4     Dynamic-irq  blkif
261:       5702     Dynamic-irq  blkif
262:          2     Dynamic-irq  blkif
263:          6     Dynamic-irq  blkif
264:      14621     Dynamic-irq  blkif
265:       1259     Dynamic-irq  blkif
266:      33743     Dynamic-irq  eth0
NMI:          0
LOC:          0
ERR:          0
MIS:          0

As you can see, fcpci (FritzCard!) works fine but there are no
interrupts for the HFC card (zaphfc).

What could be the problem?

Thank you very much,
Niki

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