Marvell Yukon msk/msi problem

John Baldwin jhb at
Thu Nov 15 07:41:51 PST 2007

On Thursday 12 April 2007 08:36:02 am Danny Braniss wrote:
> hi,
> 	The if_msk works fine under -current, but under -stable it
> does not use the MSI capability, and since it's a shared IRQ, it works
> less than optimal under heavy cpu load.
> 	Pyun YongHyeon suggested to search for help here :-)
> from the if_msk:
> 	...
> 		pci_alloc_msi(dev, &msic) == 0) 
> 	...
> under -current pci_alloc_msi(...) returns 0, but under -stable
> this fails.

MSI is not enabled by default in 6-stable.  You need to set
'hw.pci.enable_msi=1' in the loader to enable it.

John Baldwin

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