Re: [PATCH] tg3: netif_carrier_off runs too early; could still bequeued when init fails

[David S. Miller]

From: "Michael Chan" <mchan@xxxxxxxxxxxx>
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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