[Qemu-devel] [Bug 1208540] Re: RDMSR of register 0x345 (IA32_PERF_CAPABILITIES) fails in guest

2013-08-08 Thread Jari Ruusu
Looks like the problem is in host linux kernel kvm code, not in qemu. Until kvm code is fixed, this works as temporary workaround: echo 1 >/sys/module/kvm/parameters/ignore_msrs ** Changed in: qemu Status: New => Fix Released -- You received this bug notification because you are a member

[Qemu-devel] [Bug 1208540] [NEW] RDMSR of register 0x345 (IA32_PERF_CAPABILITIES) fails in guest

2013-08-05 Thread Jari Ruusu
Public bug reported: I have a problem with qemu when I attempt to configure qemu in a way that AES-NI op-codes are enabled in quest. To do that, I have to configure qemu to emulate a recent CPU. But that causes a problem, because with recent CPUs, guest linux kernel code assumes that RDMSR of regi