Re: mthca double free irqs
From: Yinghai Lu
Date: Fri Jun 12 2009 - 13:22:59 EST
On Fri, Jun 12, 2009 at 7:31 AM, Roland Dreier<rdreier@xxxxxxxxx> wrote:
> Thanks, will take a look. It does seem this is on an error path:
>
> > [ 606.818317] ib_mthca 0000:c4:00.0: NOP command failed to generate
> > interrupt (IRQ 98), aborting.
> > [ 606.826709] ib_mthca 0000:c4:00.0: BIOS or ACPI interrupt routing problem?
>
> So your system already had problems -- the driver didn't get an
> expected interrupt from the device.
I knew that. but we should not get that double freeing.
BIOS doesn't allocate proper MMIO range for that card.
YH
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