stephane eranian wrote:
> Murali,
>
> >From the initial output you sent, looks like your machine
> has a problem initialization IBS extended APIC stuff.
>
> perfmon: found family=16 IBSCTL=0x0
> perfmon: Failed to initialize extended interrupts for IBS
> perfmon: Unable to use IBS
>
> That's why the example fails.
> Not clear to me why because your processor does have IBS.
>
> AMD family=16 model=0x2 stepping=0x3 rev=B, AMD64 (Family 10h RevB, Barcelona)
>   

Is there a way debug/fix this problem? In the dmesg output, I saw the 
following:

ACPI: PCI Interrupt Link [IUSB] (IRQs *5)
ACPI: PCI Interrupt Link [IN00] (IRQs 7 10 *11)
ACPI: PCI Interrupt Link [IN01] (IRQs 7 10 *11)
ACPI: PCI Interrupt Link [IN02] (IRQs 7 10 *11)
ACPI: PCI Interrupt Link [IN03] (IRQs 7 10 *11)
ACPI: PCI Interrupt Link [IN04] (IRQs *7 10 11)
ACPI: PCI Interrupt Link [IN05] (IRQs 7 *10 11)
ACPI: PCI Interrupt Link [IN06] (IRQs 7 *10 11)
ACPI: PCI Interrupt Link [IN07] (IRQs *7 10 11)
ACPI: PCI Interrupt Link [IN08] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN09] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN10] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN11] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN12] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN13] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN14] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN15] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN16] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN17] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN18] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN19] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN20] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN21] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN22] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN23] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN24] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN25] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN26] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN27] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN28] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN29] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN30] (IRQs 7 10 11) *0, disabled.
ACPI: PCI Interrupt Link [IN31] (IRQs 7 10 11) *0, disabled.

I am not sure whether this is related to the IBS problem.

regards,
-murali

>
>   


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