ISCI bus_alloc_resource failed

Jim Harris jim.harris at
Tue Sep 8 03:59:21 UTC 2015

On Mon, Sep 7, 2015 at 7:29 PM, Bradley W. Dutton <
brad-fbsd-stable at> wrote:

> There are 2 devices in the same group so I passed both of them:
> At the time I wasn't sure if this was necessary but I just tried the
> Centos 7 VM and it worked without the SMBus device being passed through. I
> then tried the FreeBSD VM without SMBus and saw the same allocation error
> as before. Looks like the SMBus device is a red herring?
Looks like on ESXi we are using Xen HVM init ops, which do not enable MSI.
And the isci driver is not reverting to INTx resource allocation when MSIx
vector allocation fails.  I've added reverting to INTx in the attached
patch - can you try once more?


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