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    Subjectunexpected IRQ trap at vector a0
    Dear developers and bug-finders,

    I've got a new desktop - some kind of Pentium IV with hyper-threading,
    so immediately decided to switch it to 2.6.0-test2-bk8 kernel which was
    running on my desktop/laptops for quite a while, but I've got next
    problem: when it boots I begin getting my console as well as
    syslog/messages flooded with

    unexpected IRQ trap at vector a0

    (actually first it hanged with PNPBIOS problem - I turned it off)

    I modified kernel a bit to don't get all my dmesg filled with only
    this error message, so now it is reported only on 1st occurrence (as
    well as next string Yarik: APIC is On).

    So this error fires up for the first time in the context:

    i2c-piix4 version 2.7.0 (20021208)
    Advanced Linux Sound Architecture Driver Version 0.9.6 (Mon Jul 28
    11:08:42 2003 UTC).
    request_module: failed /sbin/modprobe -- snd-card-0. error = -16
    specify port
    specify port
    PCI: Setting latency timer of device 0000:00:1f.5 to 64
    unexpected IRQ trap at vector a0
    intel8x0: clocking to 48000
    ALSA device list:
    #0: Intel ICH5 at 0xfebff800, irq 17

    And later I'm getting also
    IPv6 over IPv4 tunneling driver
    irq 9: nobody cared!
    Call Trace:
    [<c010b347>] __report_bad_irq+0x2a/0x8b
    [<c010b431>] note_interrupt+0x6f/0x9f
    [<c010b748>] do_IRQ+0x161/0x192
    [<c0109a9c>] common_interrupt+0x18/0x20
    [<c010b2dd>] handle_IRQ_event+0x24/0x64
    [<c010b69f>] do_IRQ+0xb8/0x192
    [<c0105000>] _stext+0x0/0x64
    [<c0109a9c>] common_interrupt+0x18/0x20
    [<c0106e1e>] default_idle+0x0/0x2c
    [<c0105000>] _stext+0x0/0x64
    [<c0106e47>] default_idle+0x29/0x2c
    [<c0106eb7>] cpu_idle+0x3a/0x3c
    [<c045481f>] start_kernel+0x16c/0x183
    [<c045440e>] unknown_bootoption+0x0/0xfd

    handlers:
    [<c01f807f>] (acpi_irq+0x0/0x16)
    Disabling IRQ #9


    My logs and kernel configuration (it was patched by
    sched-2.6.0-test1-G7, though error existed in pure vanilla kernel as
    well - I just already had compiled patched version in my hands already
    so decided to proceed with it)

    http://www.onerussian.com/acpi.PIV/

    I will provide any additional necessary information.

    Thank you in advance for your help

    .-.
    =------------------------------ /v\ ----------------------------=
    Keep in touch // \\ (yoh@|www.)onerussian.com
    Yaroslav Halchenko /( )\ ICQ#: 60653192
    Linux User ^^-^^ [175555]
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