>>>>> "John" == John Stoffel <john@xxxxxxxxxxx> writes: >>>>> "Bjorn" == Bjorn Helgaas <bjorn.helgaas@xxxxxx> writes: Bjorn> On Sunday 27 August 2006 09:27, John Stoffel wrote: >>> >>>>> "Andrew" == Andrew Morton <akpm@xxxxxxxx> writes: >>> Andrew> On Sat, 26 Aug 2006 23:56:09 -0700 Andrew> "Miles Lane" <miles.lane@xxxxxxxxx> wrote: >>> >>> >> PCI: Using ACPI for IRQ routing >>> >> PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report >>> >> ACPI Error (utglobal-0125): Unknown exception code: 0xFFFFFFEA [20060707] >>> >> [dump_trace+100/418] dump_trace+0x64/0x1a2 >>> >> [show_trace_log_lvl+18/37] show_trace_log_lvl+0x12/0x25 >>> >> [show_trace+13/16] show_trace+0xd/0x10 >>> >> [dump_stack+23/25] dump_stack+0x17/0x19 >>> >> [acpi_format_exception+162/175] acpi_format_exception+0xa2/0xaf >>> >> [acpi_ut_status_exit+43/88] acpi_ut_status_exit+0x2b/0x58 >>> >> [acpi_walk_resources+269/281] acpi_walk_resources+0x10d/0x119 >>> >> [acpi_motherboard_add+34/52] acpi_motherboard_add+0x22/0x34 >>> >> [acpi_bus_driver_init+42/122] acpi_bus_driver_init+0x2a/0x7a >>> >> [acpi_bus_register_driver+137/248] acpi_bus_register_driver+0x89/0xf8 >>> >> [acpi_motherboard_init+23/249] acpi_motherboard_init+0x17/0xf9 >>> >> [init+136/512] init+0x88/0x200 >>> >> [kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10 >>> >> DWARF2 unwinder stuck at kernel_thread_helper+0x7/0x10 >>> Thanks Andrew. I just tried doing this with 2.6.18-rc4-mm3 and it >>> hung again. I also tried booting with irqpoll and pci=routeirq but it >>> made no difference at all. I got the following with irqpoll: >>> >>> irq 17: nobody cared (try booting with the "irqpoll" option) >>> [<c013e834>] __report_bad_irq+0x24/0x90 >>> [<c013eab8>] note_interrupt+0x218/0x250 >>> [<c013dd43>] handle_IRQ_event+0x33/0x70 >>> [<c013f3ea>] handle_fasteoi_irq+0xca/0xe0 >>> [<c013f320>] handle_fasteoi_irq+0x0/0xe0 >>> [<c01059dd>] do_IRQ+0x8d/0xf0 >>> [<c0554250>] unknown_bootoption+0x0/0x270 >>> [<c01039da>] common_interrupt+0x1a/0x20 >>> [<c0101c40>] default_idle+0x0/0x60 >>> [<c0554250>] unknown_bootoption+0x0/0x270 >>> [<c0101c71>] default_idle+0x31/0x60 >>> [<c0101d0c>] cpu_idle+0x6c/0x90 >>> [<c05547b9>] start_kernel+0x2f9/0x400 >>> [<c0554250>] unknown_bootoption+0x0/0x270 >>> ======================= >>> handlers: >>> [<c0303890>] (ata_interrupt+0x0/0x190) >>> [<c03115b0>] (usb_hcd_irq+0x0/0x60) >>> Disabling IRQ #17 Bjorn> Let's disentangle these two issues. The ACPI unknown exception in Bjorn> the acpi_motherboard_init() path is understood and being resolved. Bjorn, just to let you know, when booting 2.6.18-rc6-mm1, I don't get this oops any more. Thanks for your fix! John - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
