Re: mthca double free irqs

Yinghai Lu
2009-06-12T17:22:55Z

On Fri, Jun 12, 2009 at 7:31 AM, Roland Dreier<rdreier@cisco.com> 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