Why on earth are you using wrapper script? If you use shellscript to start qemu then add these flags there. If you are using libvirt - libvirt also supports these features. This mess is looking for a trouble and i believe you found it.
Rokas Kupstys On 2016.09.06 00:28, Simon Ye wrote: > I'm trying to use a Windows 10 Enterprise guest but keep getting error > 43 with my Nvidia 750Ti card. I have set the kvm hidden state flag and > well as overriden the vendor_id flag via a wrapper script as suggested > by other users on this mailing list: > > #!/bin/sh > exec /usr/bin/qemu-system-x86_64 \ > `echo "\$@" | sed 's|hv_relaxed|hv_relaxed,hv_vendor_id=KeenlyKVM|g'` > > Similarly I have tried removing everything from the hyperv tag section > as well as ensuring there isn't any hypervclock timer tag. > Unfortunately no combination of hyperv settings seems to bypass Code > 43. This isn't a hardware problem because passthrough works fine with > an Arch Linux guest. The full xml is located > here http://pastebin.com/3zta7eW1. I cannot place the vendor_id flag > in the xml because it is validated in the Ubuntu package, but as > mentioned above I am interdicting the command line args. This made me > suspect that the Ubuntu packages were too outdated, so could that be > the reason? > > In Ubuntu 16.04 the package versions are: > libvirt: 1.3.1 > qemu-kvm: 2.5 > virt-manager: 1.3.2 > > Currently running kernel: 4.4.0-37 > > > > > > > _______________________________________________ > vfio-users mailing list > vfio-users@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users
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