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    SubjectRe: [PATCH] tg3: netif_carrier_off runs too early; could still be queued when init fails
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    From: "Michael Chan" <mchan@broadcom.com>
    Date: Tue, 21 Feb 2006 13:57:28 -0800

    > On Tue, 2006-02-21 at 17:41 -0500, Jeff Mahoney wrote:
    >
    > > dmesg after modprobe tg3:
    > > tg3.c:v3.49 (Feb 2, 2006)
    > > ACPI: PCI Interrupt 0000:0a:02.0[A] -> GSI 24 (level, low) -> IRQ 201
    > > Uhhuh. NMI received for unknown reason 21 on CPU 0.
    > > Dazed and confused, but trying to continue
    > > Do you have a strange power saving mode enabled?
    > > tg3_test_dma() Write the buffer failed -19
    > > tg3: DMA engine test failed, aborting.
    >
    > You're getting an NMI during tg3_init_one() which means that the NIC is
    > probably bad. I did a quick test on the same version of the 5701 NIC
    > with the same tg3 driver and it worked fine.
    >
    > Please find out if the NIC is known to be bad. Thanks.

    I wonder if this is how this platform informs the cpu of master-abort
    or target-abort cycles? It could maybe also be an IRQ routing
    problem...

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