On 13/11/2015 15:55, Wolfgang Link wrote: > Hi, > > We have problems with a HP ProLiant DL380 Gen9 and Vm's with large > amount of memory, grater then 30GB. > > The problem is that the vm need about 10 sec to start to boot. > and when it comes to syncing the cpu clock, it takes a long time to > finish this task. > What also occurs is the vcpus need at startup 100% cpu usage and take > over 1 min.
This has been fixed already, and the fix is slowly propagating to the stable kernels. The fixes are: - KVM: vmx: obey KVM_QUIRK_CD_NW_CLEARED (fixed already in 4.2) - KVM: x86: obey KVM_X86_QUIRK_CD_NW_CLEARED in kvm_set_cr0() (in 4.4, will be backported) Paolo
