Changeset 36863 in vbox

Timestamp:

Apr 27, 2011 6:34:01 PM (14 years ago)

Author:

vboxsync

Message:

CPUM: Don't assert if the supported standard CPUID level is smaller than 4 because eax might contain garbage in that case (happened on very old Intel Xeons)

File:

• trunk/src/VBox/VMM/VMMR3/CPUM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/CPUM.cpp

@@ -1000 +1000 @@
     if (!fHWVirtExEnabled)
     {
-        Assert(pVM->cpum.s.aGuestCpuIdStd[4].eax == 0);
+        Assert(   pVM->cpum.s.aGuestCpuIdStd[4].eax == 0
+               || pVM->cpum.s.aGuestCpuIdStd[0].eax < 0x4);
         pVM->cpum.s.aGuestCpuIdStd[4].eax = 0;
     }