Brian Beardall wrote: >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. >>> >>> >>> >>> >I'll have another card to test in another day or so. > > > > I tested another OHCI card, and it does not lock-up the IRQ like the AMD 756 OHCI usb controller. Both mainboards I have that have the AMD 756 OHCI usb controller exibit the exact same problem however. This looks like a specific issue with the AMD 756 OHCI controller.
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