Re: [ovirt-users] PCI Passthrough problem

On 08 Jun 2016, at 08:41, Lionel Caignec <caignec(a)cines.fr&gt; wrote: Hi thanks for reply There is something i does not understand, on my hosts i've vdsm 4.17.28-0.el7 no indication about a version 3.6.5 or 3.6.7. How can i get this version?

----- Mail original ----- De: "Martin Polednik" <mpolednik(a)redhat.com&gt; À: "Lionel Caignec" <caignec(a)cines.fr&gt; Cc: "Martin Polednik" <mpolednik(a)redhat.com&gt;, "chapelle" <chapelle(a)cines.fr&gt;, "users" <users(a)ovirt.org&gt;, "honvault" <honvault(a)cines.fr&gt; Envoyé: Mercredi 8 Juin 2016 08:20:02 Objet: Re: PCI Passthrough problem On 07/06/16 19:04 +0200, Lionel Caignec wrote: > Hi i'm coworker of Mr Chapelle, > > Thank you for your reply. > > so if i understand we need to "downgrade" our ovirt engine which is in version 3.6.6.x to version 3.6.5? > But how can we do that? You would only need to downgrade the 2 hosts to 3.6.5 VDSM. But thinking of it, you could instead upgrade to 3.6.7 (rc2) - the bug is fixed there. > Lionel Caignec. > > > > ----- Mail original ----- > De: "Martin Polednik" <mpolednik(a)redhat.com&gt; > À: "chapelle" <chapelle(a)cines.fr&gt; > Cc: "users" <users(a)ovirt.org&gt;, "honvault" <honvault(a)cines.fr&gt; > Envoyé: Mardi 7 Juin 2016 17:11:10 > Objet: Re: [ovirt-users] PCI Passthrough problem > > On 07/06/16 16:50 +0200, Jérôme Chapelle wrote: >> We are no more able to give a pci device to one VM. >> Here is the process we used to assign one device to one VM: >> - Click on the VM, and then on the tab "Host devices" >> - In the tab, click on "pin to host" and select the host that will give the pci device >> - Click on "add device", in the window appear all the pci devices: choose the pci card you wish (ex. pci_0000_83_00_0 pci_0000_83_00_1) and then click on the gray arrow to assign this device to the VM >> - Click on ok >> - boot the VM. >> The problem is that in the window that appears, there is not a single pci device listed (there should be many listed). >> I checked first: the IOMMU setting is set in the kernel. >> >> Our environment: >> We have two HV running CentOs7. >> Each of them have three fiber channel cards. First card is connected to a disk array, second one to the first tape library and third one to another tape library. >> We used to give the second card to a VM1, and the third card to another VM2. Both VMs ran on one HV or on the other in the past: everything was fine. >> What happened: >> Today we add to upgrade one of the HV (HV1). Both VMs ran on this HV1. We upgraded then restarted the HV1. >> Then I edited the second VM2 in order to remove card from HV1. Then I tried to add the card from HV2 to this VM2: the list of "host devices" is empty. >> I started the VM1: it works fine (I didn't change anything on it). > > Hello! > > I'm afraid you have hit the bug [1]. For hosts where you need host > devices, the best solution is most likely not upgrading them to 3.6.6 > for now. > > [1] https://bugzilla.redhat.com/show_bug.cgi?id=1341299 > >> >> -- >> >> >> >> >> >> Jérôme Chapelle >> C entre I nformatique N ational de l' E nseignement S upérieur >> 950 rue de Saint Priest >> 34 097 M ONTPELLIER Cedex 5 >> >> Tél. 04 67 14 14 14 >> eMail chapelle(a)cines.fr >> > >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users