Adding +Miroslav Rezanina <mrezanin at redhat.com> , +Danilo Cesar Lemes de Paula <ddepaula at redhat.com> and +Paolo Bonzini <pbonzini at redhat.com> Il giorno sab 22 ago 2020 alle ore 03:04 Anthony Alba < ascanio.alba7 at gmail.com> ha scritto: > On 8.2, with modular virt installed OR switching to > centos-release-advanced-virtualization I am seeing > > qemu-kvm: error: failed to set MSR 0x48e to 0xfff9fffe04006172 > > when trying to create a VM with virt-install on a Dell PowerEdge R630 > with a Xeon E5-2640. The command works on a desktop Haswell. > > There was such a bug in RH bugzilla > https://bugzilla.redhat.com/show_bug.cgi?id=1738741 but that is about > nested virtualisation and L1->L1 migration with a L2 guest. I am not > doing any such magick, just a plain L1 VM. > > I tried reloading kvm_intel with pml=0 but got the same error. > > qemu-kvm-4.2.0-19.el8.x86_64 > libvirt-6.0.0-17.el8.x86_64 > > Any ideas? (See below, does intel_iommu have to be on?) > > The CPU type is > > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 63 > model name : Intel(R) Xeon(R) CPU E5-2640 v3 @ 2.60GHz > stepping : 2 > microcode : 0x43 > cpu MHz : 2809.143 > cache size : 20480 KB > physical id : 0 > siblings : 16 > core id : 0 > cpu cores : 8 > apicid : 0 > initial apicid : 0 > fpu : yes > fpu_exception : yes > cpuid level : 15 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge > mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe > syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts > rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq > dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm > pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes > xsave avx f16c rdrand lahf_lm abm cpuid_fault epb invpcid_single pti > ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase > tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm xsaveopt cqm_llc > cqm_occup_llc dtherm ida arat pln pts md_clear flush_l1d > bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass > l1tf mds swapgs itlb_multihit > bogomips : 5200.46 > clflush size : 64 > cache_alignment : 64 > address sizes : 46 bits physical, 48 bits virtual > power management: > > # virt-host-validate > QEMU: Checking for hardware virtualization > : PASS > QEMU: Checking if device /dev/kvm exists > : PASS > QEMU: Checking if device /dev/kvm is accessible > : PASS > QEMU: Checking if device /dev/vhost-net exists > : PASS > QEMU: Checking if device /dev/net/tun exists > : PASS > QEMU: Checking for cgroup 'cpu' controller support > : PASS > QEMU: Checking for cgroup 'cpuacct' controller support > : PASS > QEMU: Checking for cgroup 'cpuset' controller support > : PASS > QEMU: Checking for cgroup 'memory' controller support > : PASS > QEMU: Checking for cgroup 'devices' controller support > : PASS > QEMU: Checking for cgroup 'blkio' controller support > : PASS > QEMU: Checking for device assignment IOMMU support > : PASS > QEMU: Checking if IOMMU is enabled by kernel > : WARN (IOMMU appears to be disabled in kernel. Add > intel_iommu=on to kernel cmdline arguments) > _______________________________________________ > CentOS-devel mailing list > CentOS-devel at centos.org > https://lists.centos.org/mailman/listinfo/centos-devel > > -- Sandro Bonazzola MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> sbonazzo at redhat.com <https://www.redhat.com/> *Red Hat respects your work life balance. Therefore there is no need to answer this email out of your office hours. <https://mojo.redhat.com/docs/DOC-1199578>* -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-devel/attachments/20200826/55ccb57a/attachment-0006.html>