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Date: Sun, 24 Oct 2004 22:20:13 +0200 (MEST)
From: "Daniel Blueman" <daniel.blueman@gmx.net>
To: linux-usb-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
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Subject: [2.6.9] unhandled OHCI IRQs...
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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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