search for: invtsc

Hi, I want to use Invariant TSC with qemu, and to do that qemu must get the following args: "-cpu host,migratable=no,+invtsc". invtsc works only if migratable=no is passed too. The "+invtsc" part is sucessfully handled by using <feature name="invtsc"/> inside domain's XML, however I don't how/where to put the "migratable=no" there. Is there an elegant way to pass &qu...

...t; track="guest" tickpolicy="delay"/> </clock> ... <qemu:commandline>a <qemu:arg value='-machine'/> <qemu:arg value='kernel_irqchip=on'/> <qemu:arg value='-cpu'/> <qemu:arg value='host,migratable=no,+invtsc,hv_time,+kvm_pv_eoi,hv_relaxed,hv_spinlocks=0x1fff,hv_vendor_id=nv_fuck_you!,kvm=off'/> </qemu:commandline> The important part here is "host,migratable=no,+invtsc". It gives guest the invariant TSC (CPU must support it). This is a bit of a hack. Everything, except migratable...

...#39;/> <feature name='pdcm'/> <feature name='pcid'/> <feature name='dca'/> <feature name='arat'/> <feature name='pdpe1gb'/> <feature name='rdtscp'/> <feature name='invtsc'/> <pages unit='KiB' size='4'/> <pages unit='KiB' size='2048'/> <pages unit='KiB' size= Broadwell Host CPU Capabilities; <cpu> <arch>x86_64</arch> <model>Broadwell</model&gt...

...;/> <feature name='pdcm'/> <feature name='pcid'/> <feature name='osxsave'/> <feature name='arat'/> <feature name='ssbd'/> <feature name='xsaveopt'/> <feature name='invtsc'/> <pages unit='KiB' size='4'/> <pages unit='KiB' size='2048'/> </cpu> Meanwhile, cpuinfo reports the following: flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxs...

...3) in the host cpu configuration and setting the svm flag to either "model", "required" or "force" to no avail: $ ps waux | grep qemu qemu 7962 7.2 21.9 3722092 2680668 ? Rl 13:23 6:36 /usr/libexec/qemu-kvm -name C7-Android -S -M rhel6.6.0 -cpu Opteron_G3,+invtsc,+wdt,+skinit,+ibs,+osvw,+3dnowprefetch,+cr8legacy, +extapic,+cmp_legacy,+3dnow,+3dnowext,+pdpe1gb,+fxsr_opt,+mmxext,+ht, +vme -enable-kvm -m 3072 -realtime mlock=off -smp <snip> So the question is: How do I enable the svm flag in the guest? Regards, Leonard. -- mount -t life -o ro /dev/d...

...otoc.patch [bz#1425125] - kvm-qemu-iotest-test-to-lookup-protocol-based-image-with.patch [bz#1425125] - kvm-target-i386-Don-t-use-cpu-migratable-when-filtering-.patch [bz#1413897] - Resolves: bz#1413897 (cpu flag nonstop_tsc is not present in guest with host-passthrough and feature policy require invtsc) - Resolves: bz#1425125 (qemu fails to recognize gluster URIs in backing chain for block-commit operation) In order to test it: # yum install centos-release-qemu-ev # yum-config-manager --enable centos-qemu-ev-test # yum install qemu-kvm-ev Or just yum update if you already have qemu-kvm-ev in...

Hi, i have atwo node HA-cluster with pacemaker, corosync, libvirt and KVM. Recently i configured a new VirtualDomain which runs fine, but live Migration does not succeed. This is the error: VirtualDomain(vm_snipanalysis)[14322]: 2019/09/18_16:56:54 ERROR: snipanalysis: live migration to ha-idg-2 failed: 1 Sep 18 16:56:54 [6970] ha-idg-1 lrmd: notice: operation_finished:

...;feature name='ssbd'/> <feature name='xsaveopt'/> <feature name='pdpe1gb'/> <feature name='rdtscp'/> <feature name='abm'/> <feature name='3dnowprefetch'/> <feature name='invtsc'/> <pages unit='KiB' size='4'/> <pages unit='KiB' size='2048'/> <pages unit='KiB' size='1048576'/> </cpu> <power_management> <suspend_mem/> <suspend_disk/>...

...2vl avx512vbmi umip pku ospke rdpid avx512-4vnniw avx512-4fmaps syscall nx mmxext fxsr-opt pdpe1gb rdtscp lm 3dnowext 3dnow lahf-lm cmp-legacy svm extapic cr8legacy abm sse4a misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 tce nodeid-msr tbm topoext perfctr-core perfctr-nb invtsc xstore xstore-en xcrypt xcrypt-en ace2 ace2-en phe phe-en pmm pmm-en kvmclock kvm-nopiodelay kvm-mmu kvmclock kvm-asyncpf kvm-steal-time kvm-pv-eoi kvm-pv-unhalt kvmclock-stable-bit npt lbrv svm-lock nrip-save tsc-scale vmcb-clean flushbyasid decodeassists pause-filter pfthreshold xs...

...e policy='require' name='ssbd'/> > >> > <feature policy='require' name='xsaves'/> > >> > <feature policy='require' name='pdpe1gb'/> > >> > <feature policy='require' name='invtsc'/> > >> > <feature policy='require' name='ibpb'/> > >> > <feature policy='require' name='amd-ssbd'/> > >> > <feature policy='require' name='skip-l1dfl-vmentry'/> > >>...