Windows Server 2008 SP2 checked build with smp > 1 BSOD's during boot due to lack of microcode update:
*** Assertion failed: The system BIOS on this machine does not properly support the processor. The system BIOS did not load any microcode update. A BIOS containing the latest microcode update is needed for system reliability. (CurrentUpdateRevision != 0) *** Source File: d:\longhorn\base\hals\update\intelupd\update.c, line 440 Report a non-zero microcode update signature to make it happy. Signed-off-by: Marcelo Tosatti <[email protected]> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e80f0d7..f435591 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1841,7 +1841,6 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) switch (msr) { case MSR_IA32_PLATFORM_ID: - case MSR_IA32_UCODE_REV: case MSR_IA32_EBL_CR_POWERON: case MSR_IA32_DEBUGCTLMSR: case MSR_IA32_LASTBRANCHFROMIP: @@ -1862,6 +1861,9 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_FAM10H_MMIO_CONF_BASE: data = 0; break; + case MSR_IA32_UCODE_REV: + data = 0x100000000ULL; + break; case MSR_MTRRcap: data = 0x500 | KVM_NR_VAR_MTRR; break; -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
