[Pkg-libvirt-maintainers] Bug#892471: Bug#892471: libvirt daemon on stretch not support AMD Epyc Processor

[Guido Günther]

On Fri, Mar 09, 2018 at 12:50:01PM +0100, Raschi Diego wrote:
> Package: libvirt-daemon
> Version: 3.0.0-4+deb9u1
> Severity: important
> 
> Hi,
> I have server with AMD Epyc 7601 processor, debian stretch 9.3 and libvirt
> 3.0.0-4+deb9u1. When i start a guest pc on my host I get this error :
> 
> kernel: [ 3796.071651] kvm [20389]: vcpu0, guest rIP: 0xffffffff812dd05c
> unhandled rdmsr: 0xc001100d
> kernel: [ 3796.211353] kvm [20389]: vcpu1, guest rIP: 0xffffffff812dd05c
> unhandled rdmsr: 0xc001100d
> kernel: [ 3796.256215] kvm [20389]: vcpu2, guest rIP: 0xffffffff812dd05c
> unhandled rdmsr: 0xc001100d
> 
> and on my guest pc i receive this error
> 
> kernel: [    2.562730] has_svm: can't execute cpuid_8000000a
> kernel: [    2.562732] kvm: no hardware support
> kernel: [    2.623546] has_svm: can't execute cpuid_8000000a
> kernel: [    2.623548] kvm: no hardware support
> kernel: [    2.625720] powernow_k8: Power state transitions not supported
> kernel: [    2.625747] powernow_k8: Power state transitions not supported
> kernel: [    2.625784] powernow_k8: Power state transitions not supported

This does not look like a libvirt problem. Please have a look at the
bugs in the kernel package your're using and reassign if not already
open.

> 
> I found this BUG to fix my problem :
> 
> https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1578906.html
> and
> https://patchwork.kernel.org/patch/9902205/
> 
> you can fix this problem on debian stretch ? Maybe even through the backport
> repository ?

This again are links to kernel issues, why are you reporting this
against libvirt?
 -- Guido

> 
> Thank you
> Diego
> 
> 
> 
> -- System Information: Debian Release: 9.3 Architecture: amd64 (x86_64)
> 
> Kernel: 4.9.0-4-amd64 #1 SMP Debian 4.9.65-3+deb9u1 (2017-12-23) x86_64
> GNU/Linux Locale: LANG=it_IT.UTF-8
> 
> apt-cache show libvirt-daemon [2/1940]
> Package: libvirt-daemon
> Source: libvirt
> Version: 3.0.0-4+deb9u1
> Installed-Size: 9386
> Maintainer: Debian Libvirt Maintainers
> <pkg-libvirt-maintainers at lists.alioth.debian.org>
> Architecture: amd64
> Depends: libapparmor1 (>= 2.6~devel), libaudit1 (>= 1:2.2.1),
> libavahi-client3 (>= 0.6.16), libavahi-common3 (>= 0.6.16), libblkid1
> (>= 2.17.2), libc6 (>= 2.17), libcap-ng0, libdbus-1-3 (>= 1.9.14),
> libdevmapper1.02.1 (>= 2:1.02.97), libfuse2 (>= 2.8), libgnutls3$
> (>= 3.5.6), libnetcf1 (>= 1:0.2.2), libnl-3-200 (>= 3.2.7),
> libnl-route-3-200 (>= 3.2.7), libnuma1 (>= 2.0.11), libparted2 (>= 3.1$
> , libpcap0.8 (>= 1.0.0), libpciaccess0, librados2 (>= 0.72.2), librbd1 (>=
> 9.2.0), libsasl2-2, libselinux1 (>= 2.1.12), libssh2-1 ($
> = 1.2.8), libudev1 (>= 183), libvirt0 (= 3.0.0-4+deb9u1), libxen-4.8 (>=
> 4.8.1), libxenstore3.0 (>= 3.2.0), libxml2 (>= 2.7.4), lib$
> ajl2 (>= 2.0.4)
> Recommends: qemu-kvm | qemu (>= 0.9.1), libxml2-utils, netcat-openbsd
> Suggests: libvirt-daemon-system, numad
> Enhances: qemu, qemu-kvm, xen
> Description-it: demone di virtualizzazione
> Libvirt è un toolkit C per interagire con le capacità di virtualizzazione
> delle recenti versioni di Linux (e altri sistemi operativi). Lo scopo della
> libreria è quello di fornire un'API C stabile di lungo termine per diversi
> meccanismi di virtualizzazione. Attualmente gestisce: QEMU, KVM, XEN,
> OpenVZ, LXC e VirtualBox.

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