Re: 2.6.16-rc1-mm1 usb hub problems

[Andrew Morton <akpm@osdl.org>]

Pavel Machek <pavel@ucw.cz> wrote:
>
> Hi!
> 
> When I boot -mm1 in docking station, I get problems. First is ugly
> warning near yenta:
> 
> Yenta: CardBus bridge found at 0000:09:02.0 [1014:0148]
> Yenta: Using INTVAL to route CSC interrupts to PCI
> Yenta: Routing CardBus interrupts to PCI
> Yenta TI: socket 0000:09:02.0, mfunc 0x00001002, devctl 0x66
> irq 11: nobody cared (try booting with the "irqpoll" option)
> 
> ...
> and then I get problems with USB hub:
> 
> ...
> ACPI: PCI Interrupt 0000:00:1d.2[C] -> Link [LNKC] -> GSI 9 (level,
> low) -> IRQ 9
> PCI: Setting latency timer of device 0000:00:1d.2 to 64
> uhci_hcd 0000:00:1d.2: UHCI Host Controller
> uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
> uhci_hcd 0000:00:1d.2: irq 9, io base 0x00001840
> usb usb4: configuration #1 chosen from 1 choice
> hub 4-0:1.0: USB hub found
> hub 4-0:1.0: 2 ports detected
> ehci_hcd 0000:00:1d.7: Unlink after no-IRQ?  Controller is probably
> using the wrong IRQ.
> 
>
> Any ideas?

I guess ACPI IRQ routing would be a suspect.  Can you generate the -rc1
dmesg and the -rc1-mm1 dmesg, diff them, look for ACPI differences?

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