[vfio-users] Slow performance on VM win7 install

2016-04-04 Thread Mark
Hello, I've had this problem consistently in both ubuntu server and arch (fresh installs this week). When booting a brand new VM and the win7 iso attached to cdrom, I am getting extremely poor performance. The first 'Windows is loading files...' screen takes about 3 full seconds to fill the progr

Re: [vfio-users] Translation project, info updates needed.

2016-04-04 Thread Alex Williamson
On Sun, Apr 3, 2016 at 7:12 PM, Blank Field wrote: > I've started a (yet)one-man-army translation project with the objective of > bringing info and knowledge about VFIO to my native language. > I've partially translated aw's blog post about iommu groups dated back to > august 2014, and since that

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

2016-04-04 Thread Okky Hendriansyah
On Mon, Apr 4, 2016 at 8:20 AM, Jayme Howard wrote: > Okay wow, Alex. That made a huge difference immediately. That dropped me > from 90% to 33% on the main thread, and all the children are below 10%. > > On Sun, Apr 3, 2016 at 8:07 PM, Alex Williamson < > alex.l.william...@gmail.com> wrote: >

Re: [vfio-users] physx can not work after VGA passthrough.

2016-04-04 Thread Alex Williamson
On Mon, Apr 4, 2016 at 10:50 AM, 温学敏 wrote: > sorry alex,i had pasted the wrong log. > > here is the log that makes the VM work well. > > and i found that valua of the video memory report error is a BUG of dxdiag > tool. The ref is : https://support.microsoft.com/en-us/kb/2026022 > > here is corr

Re: [vfio-users] physx can not work after VGA passthrough.

2016-04-04 Thread 温学敏
sorry alex,i had pasted the wrong log. here is the log that makes the VM work well. and i found that valua of the video memory report error is a BUG of dxdiag tool. The ref is : https://support.microsoft.com/en-us/kb/2026022 here is correct log,this log is from /var/log/libvirt/qemu,and I use

Re: [vfio-users] physx can not work after VGA passthrough.

2016-04-04 Thread Alex Williamson
On Mon, Apr 4, 2016 at 9:13 AM, 温学敏 wrote: > Hi guys: > I was passthrough my GTX 970 on a win7_x64 and it works fine.The host > is running a Fedora 23 Workstation. > > I use virt-manager 1.3.2 to create the VM,The version of Libvirt is > 1.2.18,QEMU version is 2.4.1. > > But when I ru

Re: [vfio-users] PCI passthrough prevents autostart of guest

2016-04-04 Thread Pittman, Randall
I did not have success with adding the modules-load=vfio-pci arguments to the kernel line. Finally I tried a cron script that waits for 20 seconds after boot and then starts the guest. So autostart still isn’t working, but I have a workaround. Thanks again, Randy Randall Pittman Faculty Resear

[vfio-users] physx can not work after VGA passthrough.

2016-04-04 Thread 温学敏
Hi guys: I was passthrough my GTX 970 on a win7_x64 and it works fine.The host is running a Fedora 23 Workstation. I use virt-manager 1.3.2 to create the VM,The version of Libvirt is 1.2.18,QEMU version is 2.4.1. But when I run the 3Dmark 11 to confirm the function and performance,I