[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Failed to access register with invalid access size alignment
Zytaruk, Kelly <Kelly.Zytaruk <at> amd.com> writes: > > I have seen the subject-line error message in a few posts but I haven't yet seen a resolution for it yet. Has > anyone resolved this problem? > > The full error line from the log file is; > [00:05.0] xen_pt_pci_config_access_check: Error: Failed to access register with invalid access size > alignment. (addr: 0x0e, len: 4) > > Address 0x0e in PCIe config space is 2 byte aligned and can't be accessed as a 4 byte read. > > I am passing an AMD graphics adapter into a guest as a secondary adapter. I can connect with VNC and the PCI > passthrough is successful as I can see the [00:05.0] device in Win7 device Manager but the device is > "banged out" with the error "Windows has stopped this device because it has reported problems. (Code 43)". > > The error occurs with both QEMU-upstream and QEMU-traditional. > My configuration is Xen 4.5-unstable on Linux 3.13.4. > > Thanks, > Kelly > I am running into the same issue, on xen 4.4.0 and linux 3.14.1 exactly the same error including the device number 5. This is with a Win8 Dom0 and a 7970 GPU. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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