From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 206579] KVM with passthrough generates "BUG: kernel NULL pointer dereference" and crashes
Date: Fri, 28 Feb 2020 00:20:59 +0000 [thread overview]
Message-ID: <bug-206579-28872-otxLvv0FsD@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-206579-28872@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=206579
--- Comment #30 from Anthony (anthonysanwo@googlemail.com) ---
(In reply to muncrief from comment #29)
> I have to knock off for today gentlemen, but just wanted to let you know
> that if I disable nested virtualization in the host-passthrough
> configuration I get the same avic_inhibit_reasons value as the EPYC-IBPB
> configuration. So instead of "20 28" for host-passthrough I get the same "16
> 24" as EPYC.
>
> I also saw Anthony's comment about synic so I turned it off in both
> configurations with "<synic state='off'/>", but it didn't affect anything on
> my system. I think it's actually off by default though because when I tried
> to turn it on with "<synic state='on'/>" I got an error when trying to save
> the XML.
Am guessing it's likely complaining about stimer not being enabled. To use
synic you need
<stimer state="on"/>
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next prev parent reply other threads:[~2020-02-28 0:21 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-17 18:17 [Bug 206579] New: KVM with passthrough generates "BUG: kernel NULL pointer dereference" and crashes bugzilla-daemon
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