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
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