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Date: Fri, 8 Sep 2006 13:54:56 -0400
From: "John Stoffel" <john@stoffel.org>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: "John Stoffel" <john@stoffel.org>, Andrew Morton <akpm@osdl.org>,
       "Miles Lane" <miles.lane@gmail.com>,
       LKML <linux-kernel@vger.kernel.org>, linux-acpi@vger.kernel.org,
       "Brown, Len" <len.brown@intel.com>
Subject: Re: 2.6.18-rc4-mm3 -- ACPI Error (utglobal-0125): Unknown exception code: 0xFFFFFFEA [20060707]
In-Reply-To: <200609081009.01662.bjorn.helgaas@hp.com>
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>>>>> "Bjorn" == Bjorn Helgaas <bjorn.helgaas@hp.com> writes:

Bjorn> 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

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

Ok, let me know when you've got a proposed patch and I'd be happy to
test it out for you.  I thought it might be related since it mentions
IRQs and my timeout problem was/is IRQ related possibly.

Bjorn> Your boot hang/IRQ problem is something completely different.

Yeah, it looks to be a problem with the new ata/hpt366 driver not
setting up my HPT302 Rev 1 chipset properly on a PCI card.  

Thanks for looking it over,
John
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