[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 0/5] Add MSI support to XEN
On 31/3/08 15:14, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote: > I wonder whether there is a timing issue of some sort, and it depends if the > NIC generates the software-triggered interrupt at a fast enough rate that the > host CPU fails to make progress if it doesn't mask the MSI? You haven't > changed test machine at all, or put the NIC in a different PCI slot, or > anything like that? Also, it's got to be worth kicking your hardware guys again and find out from them exactly what happens when that software-triggered interrupt register gets written by the device driver. Their previous response didn't sound very enlightening. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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