RE: [2.6.9] unhandled OHCI IRQs...

[Daniel Blueman]

I forgot to stop the OHCI controllers being disabled with a 'setpci
command=0' command on bootup. Now everything works perfectly!

> Please verify if APIC mode can help this case?
> 
> Thanks
> Luming 
> 
> >-----Original Message-----
> >From: linux-kernel-owner@xxxxxxxxxxxxxxx 
> >[mailto:linux-kernel-owner@xxxxxxxxxxxxxxx] On Behalf Of Daniel Blueman
> >Sent: 2004Äê10ÔÂ25ÈÕ 4:20
> >To: linux-usb-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> >Subject: [2.6.9] unhandled OHCI IRQs...
> >
> >When plugging in an Epson C62 USB 1.1 printer to my nForce 2 
> >OHCI + EHCI USB
> >controllers, the IRQ doesn't seem to get handled [1]. Tried both with
> >acpi=noirq and without, printer support and full USB support 
> >enabled. Kernel
> >is 2.6.9.
> >
> >Any ideas?
> >
> >--- [1]
> >
> >irq 7: nobody cared!
> > [<c01063d4>] __report_bad_irq+0x24/0x80
> > [<c01064b1>] note_interrupt+0x61/0x90
> > [<c010637b>] handle_IRQ_event+0x2b/0x60
> > [<c010676a>] do_IRQ+0x11a/0x130
> > [<c010479c>] common_interrupt+0x18/0x20
> > [<c0119f30>] __do_softirq+0x30/0x90
> > [<c0119fb6>] do_softirq+0x26/0x30
> > [<c010674b>] do_IRQ+0xfb/0x130
> > [<c010479c>] common_interrupt+0x18/0x20
> > [<c0101df0>] default_idle+0x0/0x30
> > [<c0101e13>] default_idle+0x23/0x30
> > [<c0101e8a>] cpu_idle+0x3a/0x60
> > [<c035c8e1>] start_kernel+0x141/0x160
> > [<c035c530>] unknown_bootoption+0x0/0x160
> >handlers:
> >[<c022dcd0>] (usb_hcd_irq+0x0/0x60)
> >Disabling IRQ #7
> >spurious 8259A interrupt: IRQ7.
> >
> >--- [2]
> >
> ># grep hcd /proc/interrupts 
> >  5:          0          XT-PIC  ohci_hcd
> >  7:     164004          XT-PIC  ohci_hcd
> > 12:          2          XT-PIC  ehci_hcd

-- 
Daniel J Blueman

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