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Re: [Xen-devel] xl: pci completion error
| To: | Gianni Tedesco <gianni.tedesco@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] xl: pci completion error |
| From: | Sergey Tovpeko <tsv.devel@xxxxxxxxx> |
| Date: | Fri, 08 Oct 2010 14:15:33 +0400 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx> |
| Delivery-date: | Fri, 08 Oct 2010 03:20:54 -0700 |
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Heh. you probably mean 00:1d.* which would have a higher chance of working - It's a USB controller, am I right?Passing through multiple functions of one device as separate devicescauses some unspeakable badness. Therefore the above configuration is not supported in libxl. Unless it is for an SR-IOV card, but even then it is only supported 'in principle' and not in code - I have no hardware to test this. 00:1d.* is the USB host controller. You're right.You pointed me to the way how PCI devices are enumerated inside the domain. I specify each pci function separately in config file, so I get different virtual devices in the HVM domain. And by the now, I havn't noticed any problem with separated devices, which are the one multi-function pci device in real life. Perhaps, the moment of the badness doesn't come yet. :-) And it's not a SRIOV card. I attached the screenshot, in which there are some separate pci devices in the HVM domain. Well, I'm going to see what happens with shutdown case in more detail Sergey.
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