[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Xen-unstable: pci-passthrough of device using MSI-X interrupts not working after commit x86/MSI: track host and guest masking separately
>>> On 24.06.15 at 21:38, <linux@xxxxxxxxxxxxxx> wrote: > I'm having some trouble with a xhci controller passed through with > pci-passthrough to one of my HVM guests. > It uses MSI-X for interrupts, a bisection turned up the following commit: > > x86/MSI: track host and guest masking separately > > Although from a first glance it looks as if the controller is correctly > initialize during the boot of the HVM guest (no worrying messages in dmesg > yet). > It utterly fails a simple "lsusb" this results in the hang pasted below. > > Other devices i passthrough which use legacy or MSI interrupts seem to be > unaffected. Odd enough, since I'm having a hard time testing MSI (no suitable devices), but did a lot of testing with MSI-X. > Please say so if you need any specific output from Xen debug keys or > anything > else ! M and i debug key output would be the first thing. I'd suspect host masking to be wrongly active for some reason. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |