By the way, in the future, we can enable them without breaking live migration. (I have tested both features).
I think we just need to wait that kernel 3.10 (from rhel7.1) will be the default kernel, maybe for proxmox 4 - debian jessie - openvz on kernel 3.10) ----- Mail original ----- De: "aderumier" <aderum...@odiso.com> À: "dietmar" <diet...@proxmox.com> Cc: "pve-devel" <pve-devel@pve.proxmox.com> Envoyé: Mercredi 21 Janvier 2015 10:58:15 Objet: Re: [pve-devel] Hyper-V enlightenments with KVM >>So hv_vapic is known to make problems. hv_apic in current kernel 3.10 is buggy on some processor (> Westmere), https://bugzilla.redhat.com/show_bug.cgi?id=1091818 I should be fixed in comming rhel 7.1 kernel >>Not sure if we can/should add hv_time? kernel 3.10 work fine currently ----- Mail original ----- De: "dietmar" <diet...@proxmox.com> À: "pve-devel" <pve-devel@pve.proxmox.com>, "Lindsay Mathieson" <lindsay.mathie...@gmail.com> Envoyé: Mercredi 21 Janvier 2015 07:54:51 Objet: Re: [pve-devel] Hyper-V enlightenments with KVM > From look at the kvm args in the process list I see we have: > > hv_relaxed,hv_spinlocks=0xffff > > but the current recomendations are: > > hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time > This is a comment from current code: -------------------- if ($ost eq 'win7' || $ost eq 'win8' || $ost eq 'w2k8' || $ost eq 'wvista') { push @$globalFlags, 'kvm-pit.lost_tick_policy=discard'; push @$cmd, '-no-hpet'; #push @$cpuFlags , 'hv_vapic" if !$nokvm; #fixme, my win2008R2 hang at boot with this push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm; } if ($ost eq 'win7' || $ost eq 'win8') { push @$cpuFlags , 'hv_relaxed' if !$nokvm; } ------------------- So hv_vapic is known to make problems. Not sure if we can/should add hv_time? _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel