On Mon, May 10, 2004 at 11:30:01AM -0700, David Brownell wrote: > That's odd. How are you getting "IRQ # 193" though? Looks > to me as if strange IRQ set up could be part of your problem. It's because of CONFIG_PCI_USE_VECTOR kernel option. Everything works fine with it. Win xp also uses this irq numbering scheme.
> Does this happen if you don't use ACPI to set up IRQs, or if
> you disable use of the IO-APIC?
noapic seems to be workaround for this problem.
> Have you told your BIOS to
> disable all "legacy" support for USB devices?
Don't have such option.
> It certainly is. What does /sys/class/usb_host/usb3/registers
> show?
[23:21 [EMAIL PROTECTED]:/sys/class/usb_host/usb3]% tree
.
|-- device -> ../../../devices/pci0000:00/0000:00:02.2
`-- driver -> ../../../bus/pci/drivers/ehci_hcd
There's no 'registers' file in whole /sys filesystem.
> (Actually, you should probably load EHCI _first_ so it becomes "usb1".
> I don't think that'd affect this problem, but loading it later means
> all full/low speed devices you may have attached will enumerate an
> extra time.)
I don't really need ehci, so I don't load it at all.
wolf
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