<div dir="ltr"><div><div>The need of Q35 is overrated. Usually you need it for booting from sata controllers or something. </div>For our use 440fx works better. </div>I've used windows 7 on my machine. All you need to do is to follow the OVMF whitepaper: <a href="http://www.linux-kvm.org/downloads/lersek/ovmf-whitepaper-c770f8c.txt">http://www.linux-kvm.org/downloads/lersek/ovmf-whitepaper-c770f8c.txt</a> </div><div class="gmail_extra"> <div class="gmail_quote">2015-08-19 20:35 GMT+03:00 José Ramón Muñoz <<a href="mailto:koalinux@gmail.com" target="_blank">koalinux@gmail.com</a>>: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hi, Sorry for not replying to all, I wrote from the phone and sometimes happens. About the ovmf stuff, I would give it a try just in case I didn't read the Alex Williamson post that explained that I need windows > win7 to be able to use it. I'm still not planning to upgrade it to windows 10. How about q35? I tried to launch it but it seems to yield a beautiful BSOD because of the ati drivers not being expanded. Do anyone uses it regularly? BR. José. On Wednesday 19 August 2015 20:12:23 Blank Field wrote: > Please, use the reply-all button. Include "<a href="mailto:vfio-users@redhat.com">vfio-users@redhat.com</a>" address > in the "to:" field. > > > So, I got it right that using OVMF my setup can work reliably? I was > > considering to build it but it seems to be not so straight forward in > Gentoo. > > I haven't tried doing this on gentoo, but you can try using "alien" to use > RPMs from <a href="http://kraxel.org" rel="noreferrer" target="_blank">kraxel.org</a> > <a href="https://www.kraxel.org/repos/" rel="noreferrer" target="_blank">https://www.kraxel.org/repos/</a> > Also, i recall there was just plain binary files builds from jenkins, lurk > around and see if you can make yourself an ebuild with an overlay. > Also, there's a xen-tools package which has OVMF USE-flag, try researching > this. > And i think i saw an user-created portage overlay with the OVMF package in > there. > > I think plain libvirt and virt-manager should already be in the main > portage tree. > > 2015-08-19 6:16 GMT+03:00 José Ramón Muñoz Pekkarinen <<a href="mailto:koalinux@gmail.com">koalinux@gmail.com</a>>: > > Hi, > > > > So, I got it right that using OVMF my setup can work reliably? I was > > > > considering to build it but it seems to be not so straight forward in > > Gentoo. > > > > BR. > > > > José > > > > On Aug 19, 2015 3:09 AM, "Blank Field" <<a href="mailto:ihatethisfield@gmail.com">ihatethisfield@gmail.com</a>> wrote: > >> Well, that sounds like the first time i've got it working. > >> Sooo, i've managed to make it work back then with just x-vga and qemu. > >> It worked. Sometimes. > >> Sometimes it crashed the host. > >> Sometimes it froze the VM and messed up the GPU. > >> I did a foolish research with no results whatsoever, but i've made one > >> observation - if the firefox is started and it eats a ton of memory, i > >> have > >> better chances to run the VM right. > >> However, i've dropped that way and went the OVMF way, avoiding the VGA. > >> Check the dmesg, maybe you're more lucky than me with the motherboard and > >> it's just the GPU that freezes. Also, i'd check the temperatures. > >> > >> 2015-08-19 0:25 GMT+03:00 José Ramón Muñoz <<a href="mailto:koalinux@gmail.com">koalinux@gmail.com</a>>: > >>> Hi, > >>> > >>> I'm using and APU a8-7650k, and apart that from time to time the > >>> > >>> win7 > >>> guest decides to freeze, so many times during boot time, and > >>> ocassionally > >>> during gaming, I'm fairly happy with the performance. The passed through > >>> gpu > >>> is a HD5670 and I managed to play games like MGS Ground Zeroes, Blades > >>> of > >>> times, and currently DAO: Origins. > >>> > >>> Best regards. > >>> > >>> José. > >>> > >>> On Wednesday 19 August 2015 00:09:09 Blank Field wrote: > >>> > Use "Reply All" button. Include the mailing list in the "to:" field. > >>> > > >>> > >I'm currently running an A10-5700 with a discrete Nvidia card, and > >>> > >>> I've > >>> > >>> > got a LMDE2 install in which I'm preparing to do an experimental W10 > >>> > >>> VM. > >>> > >>> > So, according to your experience, I shouldn't expect much with this > >>> > processor, then? > >>> > <a href="http://pastebin.com/rEhebfQM" rel="noreferrer" target="_blank">http://pastebin.com/rEhebfQM</a> > >>> > It will work. But it has taken a year for me to figure out how to make > >>> > >>> it > >>> > >>> > work. > >>> > The pastebin link is my currently working domain xml. > >>> > Two asus HD7750 on an asus F2A55+Athlon X4 750k (Trinity). > >>> > The kernel and module parameters are: > >>> > options kvm-amd npt=1 nested=0 > >>> > options kvm ignore_msrs=0 allow_unsafe_assigned_interrupts=0 > >>> > options vfio_iommu_type1 disable_hugepages=1 allow_unsafe_interrupts=0 > >>> > CMDLINE: > >>> > nofb pci-stub.ids=1022:780d,1002:683f,1002:aab0 enable_mtrr_cleanup > >>> > amd_iommu_dump=1 iommu=pt acpi_enforce_resources=lax > >>> > > >>> > Try doing it with nested=1 > >>> > > >>> > If you will use libvirt, that should work 100%, as i have almost the > >>> > >>> same > >>> > >>> > CPU. > >>> > > >>> > 2015-08-18 23:57 GMT+03:00 ALG Bass <<a href="mailto:olorin12@gmail.com">olorin12@gmail.com</a>>: > >>> > > Gotcha. So it would be better if I got the i7. > >>> > > I'm currently running an A10-5700 with a discrete Nvidia card, and > >>> > >>> I've > >>> > >>> > > got a LMDE2 install in which I'm preparing to do an experimental W10 > >>> > >>> VM. > >>> > >>> > > So, according to your experience, I shouldn't expect much with this > >>> > > processor, then? > >>> > > > >>> > > On Tue, Aug 18, 2015 at 3:46 PM, Blank Field < > >>> > >>> <a href="mailto:ihatethisfield@gmail.com">ihatethisfield@gmail.com</a>> > >>> > >>> > > wrote: > >>> > >> Hyperthreading on host means MORE cores which you can commit to the > >>> > >>> VM. > >>> > >>> > >> More cores = more performance. > >>> > >> It is good for you. > >>> > >> For the host it doesn't matter logical or physical. For the VM, > >>> > >>> you'd > >>> > >>> > >> want to pin "pairs" of cores, so there would be less CPU cache > >>> > >>> issues. > >>> > >>> > >> Like, assign a core and it's sibling instead of two separate cores. > >>> > >> > >>> > >> I use AMD Athlon X4 750k which is based off A10-5700, and it's > >>> > >>> working > >>> > >>> > >> very unstable. > >>> > >> The only way to get it working - use OVMF without VGA and do not > >>> > >> use > >>> > >> hugepages. > >>> > >> That's all. > >>> > >> > >>> > >> P.S. > >>> > >> Oh well, here we go again. > >>> > >> > >>> > >> 2015-08-18 22:26 GMT+03:00 ALG Bass <<a href="mailto:olorin12@gmail.com">olorin12@gmail.com</a>>: > >>> > >>> Hi all, new to this list, kvm, and vfio. I've been researching > >>> > >>> this for > >>> > >>> > >>> about a week. > >>> > >>> I'm also going to be building a computer in the near future, so > >>> > >>> I've got > >>> > >>> > >>> a quick two part question: > >>> > >>> Does the hyperthreading on i7 series Intel processors make a > >>> > >>> significant > >>> > >>> > >>> difference in running Windows in a VM, such that it's a noticeable > >>> > >>> increase > >>> > >>> in performance over an i5? And, does anyone here run Windows in a > >>> > >>> VM > >>> > >>> > >>> using > >>> > >>> an AMD A-series APU like the 7700k, and how is the performance? > >>> > >>> > >>> > >>> Thank you! > >>> > >>> > >>> > >>> _______________________________________________ > >>> > >>> vfio-users mailing list > >>> > >>> <a href="mailto:vfio-users@redhat.com">vfio-users@redhat.com</a> > >>> > >>> <a href="https://www.redhat.com/mailman/listinfo/vfio-users" rel="noreferrer" target="_blank">https://www.redhat.com/mailman/listinfo/vfio-users</a> </blockquote></div> </div>