Re: ACPI problem with latest 2.6 snapshot

[Len Brown]

Thanks for reporting this failure Marcel.
I expect we'll have this problem in 2.4.26 too.

On Wed, 2004-03-24 at 08:51, Marcel Holtmann wrote:
> ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 22 low level)

rats, I don't have a non-identity SCI over-ride like this to test on.

> ACPI: Subsystem revision 20040311
> ACPI: SCI (IRQ22) allocation failed
>     ACPI-0133: *** Error: Unable to install System Control Interrupt Handler, AE_NOT_ACQUIRED
> ACPI: Unable to start the ACPI Interpreter

apparently setting up IRQ22 on the IOAPIC early made it unavailable for
subsequent request_irq().

> ACPI: ACPI tables contain no PCI IRQ routing entries
> PCI: Invalid ACPI-PCI IRQ routing table
> PCI: Probing PCI hardware
> PCI: Probing PCI hardware (bus 00)
> PCI: Enabled i801 SMBus device
> Transparent bridge - 0000:00:1e.0
> PCI: Using IRQ router PIIX/ICH [8086/2440] at 0000:00:1f.0
> PCI BIOS passed nonexistent PCI bus 0!
> PCI BIOS passed nonexistent PCI bus 0!

Marcel,
I've dropped this info into a new bug report:
http://bugzilla.kernel.org/show_bug.cgi?id=2366

can you add yourself to the cc:, and attach the complete dmesg -s40000
from the failure (or a "debug" console capture).  Would like to confirm
that IRQ22 got set up correctly in the IOAPIC.

There are two bugs here,
1. AE_NOT_ACQUIRED on non-identity mapped SCI over-ride -- new
2. boot failure on AE_NOT_ACQUIRED -- old

thanks,
-Len


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