Hello! I have maybe found a way to do this. I found this older email archive where similar problem was described: https://www.mail-archive.com/[email protected]/msg40422.html
With this -cpu arguments show up corretcly in log. But the it still won't fix nvidia problem 43, which is annoying "bug" implemented by nvidia. I have several gtx graphic cards collecting dust and would like to use them, but fail to do so... best regards Mikko On Thu, Sep 28, 2017 at 8:46 AM, Yedidyah Bar David <[email protected]> wrote: > On Wed, Sep 27, 2017 at 8:32 PM, M R <[email protected]> wrote: > > Hello! > > > > Thank you very much! I had misunderstood how it was suppose to be > written in > > qemu_cmdline. There was a typo in syntax and error log revealed it. It is > > working IF I use ["-spice", "tls-ciphers=DES-CBC3-SHA"]. > > So I believe that installation is correctly done. > > > > Though, my problem still exists. > > This is what I have been trying to use for qemu_cmdline: > > ["-cpu", "kvm=off, hv_vendor_id=sometext"] > > It does not work and most likely is incorrectly written. > > You should first come up with something that works when you try it > manually, then try adapting that to the hook's syntax. > > > > > I understood that qemu commands are often exported into xml files and the > > command I'm trying to write is the following: > > > > <features> > > <hyperv> > > <vendor_id state='on' value='customvalue'/> > > </hyperv> > > <kvm> > > <hidden state='on'/> > > </kvm> > > </features> > > I guess you refer above to libvirt xml. This isn't strictly > related to qemu, although in practice most usage of libvirt > is with qemu. > > > > > How do I write this in custom properties for qemu_cmdline? > > If you have a working libvirt vm, with the options you need, > simply check how it translated your xml to qemu's command line. > You can see this either in its logs, or using ps. > > Best, > > > > > > > best regards > > > > Mikko > > > > > > > > On 27 Sep 2017 3:27 pm, "Yedidyah Bar David" <[email protected]> wrote: > >> > >> On Wed, Sep 27, 2017 at 1:14 PM, M R <[email protected]> wrote: > >> > Hello! > >> > > >> > I did check logs from hosts, but didnt notice anything that would help > >> > me. I > >> > can copy paste logs later. > >> > > >> > I was not trying to get qemu crash vm. > >> > I'm trying to add new functionalities with qemu. > >> > > >> > I wasnt sure if my syntax was correct, so I copy pasted the example > >> > command > >> > for spice from that website. And it still behaves similarly. > >> > > >> > My conclusion is that qemu cmdline is setup wrong or it's not working > at > >> > all. But I dont know how to check that. > >> > >> Please check/share /var/log/libvirt/qemu/* and /var/log/vdsm/* . Thanks. > >> > >> > > >> > On 27 Sep 2017 12:32, "Yedidyah Bar David" <[email protected]> wrote: > >> >> > >> >> On Wed, Sep 27, 2017 at 11:32 AM, M R <[email protected]> wrote: > >> >> > Hello! > >> >> > > >> >> > I have followed instructions in > >> >> > https://www.ovirt.org/develop/developer-guide/vdsm/hook/ > qemucmdline/ > >> >> > > >> >> > After adding any command for qemu cmdline, vm will try to start, > but > >> >> > will > >> >> > immediately shutdown. > >> >> > > >> >> > Is this a bug? > >> >> > >> >> If you intended, with the params you passed, to make qemu fail, for > >> >> whatever > >> >> reason (debugging qemu?), then it's not a bug :-) Otherwise, it is, > but > >> >> we > >> >> can't know where. > >> >> > >> >> > or is the information in the link insufficient? > >> >> > If it would be possible to confirm this and if there's a way to > fix, > >> >> > I > >> >> > would > >> >> > really like to have step by step guide of how to get this working. > >> >> > >> >> Did you check relevant logs? vdsm/libvirt? > >> >> > >> >> Best, > >> >> -- > >> >> Didi > >> > >> > >> > >> -- > >> Didi > > > > -- > Didi > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Ei viruksia. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
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