Re: who I do know if a interrupt is ioapic_edge_type or ioapic_level_type? [Was Re: [Fwd: Re: [Linux-usb-users] Fwd: Re: 2.6.17-rc6-mm2 - USB issues]]

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On Thu, 22 Jun 2006 01:36:46 +0100 Sergio Monteiro Basto wrote:

> who I do know if a interrupt is ioapic_edge_type or ioapic_edge_type ? 

Do you mean how they are configured in a running kernel?

cat /proc/interrupts ::

           CPU0       CPU1       
  0:   12412944   12407808    IO-APIC-edge  timer
  1:     122673     124208    IO-APIC-edge  i8042
  7:          0          0    IO-APIC-edge  parport0
  9:          0          0   IO-APIC-level  acpi
 12:    1141950    1138138    IO-APIC-edge  i8042
 14:    1107749    1109102    IO-APIC-edge  ide0
 58:     451498          0         PCI-MSI  eth0
 66:     530689     495356         PCI-MSI  libata
 74:          0          0   IO-APIC-level  ehci_hcd:usb1, uhci_hcd:usb6
 82:         31          3   IO-APIC-level  ohci_hcd:usb2, ohci_hcd:usb3, ohci_hcd:usb4, ohci_hcd:usb5
 90:        561        492   IO-APIC-level  HDA Intel
169:          3          0   IO-APIC-level  ohci1394
177:          0          0   IO-APIC-level  uhci_hcd:usb8
185:          0          0   IO-APIC-level  uhci_hcd:usb7
193:          0          0   IO-APIC-level  uhci_hcd:usb9


or how they should be configured in case you are not sure?
See a hardware spec. for that.


> On Wed, 2006-06-21 at 20:50 +1000, Johny wrote:
> > Success :)
> > 
> > I simply made the change 
> > manually, based on your and others' inputs (it seemed the simpler
> > option).
> > 
> > Both kernels now boot, and all USB devices are recognised correctly.
> > 
> 
> > I run in XT_PIC mode for interrupts.
> > 
> 
> Hi, thanks for your positive test on "my" theory.
> 
> Here it goes the link that I talked about on last email 
> http://lkml.org/lkml/2005/8/18/92 (you can read the previous messages on
> this thread) 
> 
> The patch of this link doesn't compile (at least for me), but have a
> simple idea, which is just quirk the VIA_PCIs if they are in XT_PIC mode
> and I think that is the way of this quirks should go.
> 
> So someone help me out and do a patch that recognize if the interrupt is
> in XT-PIC mode or not ? 
> 
> Thanks,  
> -- 
> Sérgio M. B.
> 


---
~Randy
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