Il 10/09/2012 13:06, Peter Lieven ha scritto: > > qemu-kvm-1.0.1-5107 [007] 410771.148000: kvm_entry: vcpu 0 > qemu-kvm-1.0.1-5107 [007] 410771.148000: kvm_exit: reason MSR_READ rip > 0x11478 info 0 0 > qemu-kvm-1.0.1-5107 [007] 410771.148000: kvm_msr: msr_read 194 = 0x0 (#GP) > qemu-kvm-1.0.1-5107 [007] 410771.148000: kvm_inj_exception: #GP (0x0) > qemu-kvm-1.0.1-5107 [007] 410771.148000: kvm_entry: vcpu 0 > qemu-kvm-1.0.1-5107 [007] 410771.148000: kvm_exit: reason TRIPLE_FAULT > rip 0x11478 info 0 0 Memory controller MSR: static float getNHMmultiplier(void) { unsigned int msr_lo, msr_hi; float coef; /* Find multiplier (by MSR) */ /* First, check if Flexible Ratio is Enabled */ rdmsr(0x194, msr_lo, msr_hi); if((msr_lo >> 16) & 1){ coef = (msr_lo >> 8) & 0xFF; } else { rdmsr(0xCE, msr_lo, msr_hi); coef = (msr_lo >> 8) & 0xFF; } return coef; } Looks like we need to emulate it since memtest only looks at the cpuid to detect an integrated memory controller. What does this return for you? dd if=/dev/cpu/0/msr skip=$((0x194)) bs=8 count=1 | xxd dd if=/dev/cpu/0/msr skip=$((0xCE)) bs=8 count=1 | xxd -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html