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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On Sunday 24 October 2004 13:20, Daniel Blueman wrote:
> 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?
Make sure your BIOS isn't trying to do any more with USB than just
enabling the hardware ... or try the new PCI "quirk" flag affecting
boot-time handling of USB, merged in 2.6.10-rc1.
- Dave
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: [email protected]
> >[mailto:[email protected]] On Behalf Of Daniel Blueman
> >Sent: 2004??10??25?? 4:20
> >To: [email protected]; [email protected]
> >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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