[ovirt-users] Re: Enabling VT-d causes hard lockup
Looks like I have a defective CPU after all this. The machine always had
the odd stability issue that we never tracked down but enabling these
options seems to have made it hang every time. I ran with one CPU in a
socket at a time and I have one good CPU and one bad. It hangs every time
while the other boots with no issues and I can see passthrough enabled in
the node details.
On a related note, how do I remove an old host from the Engine
Compute->Hosts view? There doesn't seem to be an option to delete/forget
it? It seems to have a Status of Unassigned with only Restart/Stop options
in the Managment drop down menu. I want to reassign the node name to the
reinstalled host.
Shareef.
On Sat, Apr 18, 2020 at 4:03 PM Arman Khalatyan <arm2arm(a)gmail.com> wrote:
i had similar things with faulty 10G network card, so u have any
devices
in pci slots?
brw the card should have as well sr-iov on.
Strahil Nikolov <hunter86_bg(a)yahoo.com> schrieb am Fr., 17. Apr. 2020,
18:54:
> On April 17, 2020 6:04:02 PM GMT+03:00, Shareef Jalloq <
> shareef(a)jalloq.co.uk> wrote:
> >Hi,
> >
> >I've been trying to get an old machine setup for PCIe passthrough but
> >am
> >seeing kernel hangs when booting into oVirt. This is a Supermicro
> >X10DAi
> >with dual E5-2695 V4's I think.
> >
> >I had VT-d enabled and added SR-IOV. Don't think there's anything
> >else I
> >need to enable in the BIOS is there? I just updated to the latest
> >version
> >for this board too.
> >
> >It always seems to be CPU#18 too :
> >https://photos.app.goo.gl/HG7NcyWwfuq646HeA
> >
> >Shareef.
>
> There should be an IOMMU option too.
>
> The following is for AMD, but maybe it's valid for intel:
>
> https://www.supermicro.com/support/faqs/faq.cfm?faq=21348
>
> Best Regards,
> Strahil Nikolov
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