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SubjectRe: 2.6.18-rc4-mm3 -- ACPI Error (utglobal-0125): Unknown exception code: 0xFFFFFFEA [20060707]
Date
On Sunday 27 August 2006 09:27, John Stoffel wrote:
> >>>>> "Andrew" == Andrew Morton <akpm@osdl.org> writes:
>
> Andrew> On Sat, 26 Aug 2006 23:56:09 -0700
> Andrew> "Miles Lane" <miles.lane@gmail.com> 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

Let's disentangle these two issues. The ACPI unknown exception in
the acpi_motherboard_init() path is understood and being resolved.

Your boot hang/IRQ problem is something completely different.

Bjorn
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