Re: [vfio-users] cpu usage in guest != cpu usage in host, even with exclusive pinning

2016-01-23 Thread Dan Ziemba
On Tue, 2016-01-19 at 16:52 +0100, Friedrich Oslage wrote: > I did some more testing and it turns out to be a kernel error, > introduced somewhere around linux 4.3. > > Short description of the error: 100% cpu usage while using 3d in a vm > with vfio > > My last known good kernel is 4.2.8, which

Re: [vfio-users] [PATCH v2 1/3] input: add qemu_input_qcode_to_linux + qemu_input_linux_to_qcode

2016-01-23 Thread Jonathan Scruggs
Hi Gerd, I am using qemu 2.5.0 source code and applied all the patches on your git server. This one: https://www.kraxel.org/cgit/qemu/commit/?h=work/input-dev-event&id=b52110d4f22e99953ac5195a90988a253e3e2f90 causes the build to fail with this: error: array index in non-array initializer It happen

Re: [vfio-users] How do i get rid of the emulated gpu?

2016-01-23 Thread Stibnite
Brilliant! Thank you! My issue was not understanding that i couldn't use the built in graphics with the passed through gpu. My performance in gaming is pretty bad though, maybe 1/5th of what i would get bare-metal. i've allocated 6 cores of my 8320 and 6gb of ram with 3024 hugepages. I've notic

[vfio-users] Can't passthrough GTX 750 to Linux guest

2016-01-23 Thread Lucas Kückelhaus
Hello, I've been trying to passthrough a Zotac GTX 750 to SteamOS but it refuses to work. I've been using OVMF succesfuly for a while now on my GTX 970 with a Windows 10 guest, so I tried setting up another OVMF machine with SteamOS, Ubuntu 15.10, and Archlinux. They all work perfectly fine

Re: [vfio-users] [PATCH v3 05/11] igd: TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE: call parent realize

2016-01-23 Thread Eduardo Habkost
On Wed, Jan 20, 2016 at 10:10:11AM +0100, Gerd Hoffmann wrote: > Hi, > > > > > > +i440fx_realize = k->realize; > > > > > k->realize = igd_pt_i440fx_realize; > > > > > > ... because we are overriding it right here. > > > > Many device classes have a parent_realize field so they can kee

Re: [vfio-users] [Qemu-devel] [PATCH v3 04/11] igd: switch TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE to realize

2016-01-23 Thread Eduardo Habkost
On Tue, Jan 05, 2016 at 12:41:31PM +0100, Gerd Hoffmann wrote: > Signed-off-by: Gerd Hoffmann > --- > hw/pci-host/igd.c | 9 - > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/hw/pci-host/igd.c b/hw/pci-host/igd.c > index ef0273b..d1eeafb 100644 > --- a/hw/pci-host/igd.