Re: [linux-usb-devel] Re: 2.6.15-mm3 [USB lost interrupt bug]

Alan Stern
2006-01-12T15:53:21Z

On Thu, 12 Jan 2006, Reuben Farrelly wrote:

> >> Initializing USB Mass Storage driver...
> >> irq 193: nobody cared (try booting with the "irqpoll" option)

> >> handlers:
> >> [<c027017e>] (usb_hcd_irq+0x0/0x56)
> >> Disabling IRQ #193
> >
> > USB lost its interrupt. Could be USB, more likely ACPI.
>
> I've seen this one happen nearly every boot since then including bootups that
> are otherwise OK (no oopses), so it's probably worth more looking into rather
> than being written off as a 'once off':
>
> uhci_hcd 0000:00:1d.3: Unlink after no-IRQ? Controller is probably using the
> wrong IRQ.

> It's a new regression to -mm3.

Did the same IRQ get assigned to that controller in earlier kernel
versions?

Alan Stern