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    SubjectRe: 2.6.14-rc3-rt2

    On Wed, 5 Oct 2005, Mark Knecht wrote:

    > Hi Ingo,
    > By the time I go there it was already -rt9. Unfortunately I still
    > get the same message. Possibly the continued discussion is addressing
    > this? I haven't tried to read it all yet.
    >
    > >From dmesg:
    >
    > PCI: Using configuration type 1
    > PCI: Using MMCONFIG at e0000000
    > ACPI: Subsystem revision 20050902
    > BUG: swapper/1: spin-unlock irq flags assymetry?
    >
    > Call Trace:<ffffffff80400d19>{_spin_unlock_irqrestore+89}
    > <ffffffff802694d6>{acpi_ev_create_gpe_block+642}
    > <ffffffff80263116>{acpi_os_wait_semaphore+135}
    > <ffffffff80269682>{acpi_ev_gpe_initialize+109}
    > <ffffffff80266cac>{acpi_ev_initialize_events+151}
    > <ffffffff802790a2>{acpi_enable_subsystem+69}
    > <ffffffff806086de>{acpi_init+86} <ffffffff80604cda>{init_bio+266}
    > <ffffffff8010b25a>{init+506} <ffffffff8010ed16>{child_rip+8}
    > <ffffffff8010b060>{init+0} <ffffffff8010ed0e>{child_rip+0}
    >
    > ---------------------------
    > | preempt count: 00000000 ]
    > | 0-level deep critical section nesting:
    > ----------------------------------------
    >

    The acpi code is filled with macro hell (and craziness like using a void
    pointer for a spinlock). Do you have the following turned on?

    CONFIG_USE_FRAME_POINTER=y
    CONFIG_FRAME_POINTER=y


    The back trace looks a little suspicious. But I'm looking into the acpi
    code to see if I can locate the bad flags.

    -- Steve

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