David Brownell wrote: >On Thursday 28 April 2005 10:47 pm, Brian Beardall wrote: > > > >>>But they don't lock up other OHCI implementations? Do the 756 errata >>>have any light to cast on this? >>> >>> >>The 756 Errata doesn't expain this behavior. ... >> >> > >OK, then given that it's intermittent, it's probably something >else going on with your system. Some other PCI driver for >example; first, check anything that's sharing the IRQ with >that OHCI controller. > > > > I eliminated cards, and here is what /proc/interrupts reads:
CPU0 0: 2181209 XT-PIC timer 1: 351 XT-PIC i8042 2: 0 XT-PIC cascade 7: 0 XT-PIC parport0 9: 0 XT-PIC acpi 10: 700000 XT-PIC ohci_hcd 11: 380 XT-PIC eth0 12: 12849 XT-PIC i8042 14: 8027 XT-PIC ide0 15: 24 XT-PIC ide1 NMI: 0 ERR: 0 This is what /proc/interrupts read after the IRQ crash. With this configuration this is what occurred: hub 1-0:1.0: resubmit --> -108 hub 1-0:1.0: hub_port_status failed (err = -108) irq 10: nobody cared! [<c01356aa>] __report_bad_irq+0x2a/0x90 [<c0134fe0>] handle_IRQ_event+0x30/0x70 [<c013579c>] note_interrupt+0x6c/0xd0 [<c0135166>] __do_IRQ+0x146/0x160 [<c0104e03>] do_IRQ+0x23/0x40 [<c01033ca>] common_interrupt+0x1a/0x20 [<c011d8b0>] __do_softirq+0x30/0x90 [<c011d936>] do_softirq+0x26/0x30 [<c011da05>] irq_exit+0x35/0x40 [<c0104e08>] do_IRQ+0x28/0x40 [<c01033ca>] common_interrupt+0x1a/0x20 [<c02bc242>] acpi_processor_idle+0x123/0x260 [<c01010d8>] cpu_idle+0x48/0x60 [<c05b475f>] start_kernel+0x16f/0x1b0 [<c05b4330>] unknown_bootoption+0x0/0x1b0 handlers: [<c034ca60>] (usb_hcd_irq+0x0/0x70) Disabling IRQ #10 >>I can't find another OHCI add-in-card or mainboard that uses OHCI. >> >> > >They're easy to find. Most motherboards that don't >have Intel or VIA chips use OHCI. And likewise, most >any PCI add-in card for USB that doesn't have a chip >from one of those vendors is going to be OHCI too. > >- Dave > I'll have another card to test in another day or so. ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. Get your fingers limbered up and give it your best shot. 4 great events, 4 opportunities to win big! Highest score wins.NEC IT Guy Games. Play to win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel