The issue is sloved after change cpuid[80000008];
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -2547,7 +2547,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index,
uint32_t count,
if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
/* 64 bit processor */
/* XXX: The physical address space is limited to 42 bits in exec.c. */
- *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
+ *eax = 0x00003029; /* 48 bits virtual, 41 bits physical */
} else {
if (env->features[FEAT_1_EDX] & CPUID_PSE36) {
*eax = 0x00000024; /* 36 bits physical */
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https://bugs.launchpad.net/bugs/1562653
Title:
Ubuntu 15.10: QEMU VM hang if memory >= 1T
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