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Re: [Xen-users] RE: Re: Xen 3.2 with shared IRQs
| To: | "[STD]Ein" <ein@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] RE: Re: Xen 3.2 with shared IRQs |
| From: | "Ben Holt" <beanjammin@xxxxxxxxx> |
| Date: | Sun, 10 Feb 2008 22:56:03 -0800 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Sun, 10 Feb 2008 22:56:44 -0800 |
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Hmmm, turns out I celebrated too soon. Crashed hard with "lost interrupt" on hda and hdd this evening. > How is the performance affected with shared irq's across domains? Are you > sharing heavily used irq's (nic's, ide controllers?). I hadn't noticed a performance hit, but that's a purely subjective opinion as I haven't done any proper measuring. Unfortunately I have quite a few IRQs being shared between dom0 and the two domUs that I have passed hardware to. I'm using all 5 PCI slots so I'm a bit limited in my options, though I am hopeful I can get my IDE controller isolated on its own IRQ. I'll post as I learn more... and of course I'd appreciate any suggestions. The only other boot options I'm using are dom0_mem on the dom0 and swiotlb=force on the domU with a PVR150 and PVR500 (mpeg capture cards) passed to it. The swiotlb=force was necessary to get the cards' ivtv driver to load. - Ben _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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