Changeset 78295 in vbox for trunk/src/VBox

Timestamp:

Apr 25, 2019 12:51:33 PM (6 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Nested VMX: bugref:9180 Hack to workaround BSOD w/ release builds on Windows 10 64-bit hosts.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -7313 +7313 @@
     uint64_t u64Val;
     uint32_t u32Val;
+
+    /*
+     * Note! This is hack to workaround a mysterious BSOD observed with release builds
+     *       on Windows 10 64-bit hosts. Profile and debug builds are not affected and
+     *       neither are other host platforms.
+     *
+     *       Committing this temporarily as it prevents BSOD.
+     */
+#ifdef RT_OS_WINDOWS
+    if (pVM == 0 || pVM == (void *)(uintptr_t)-1)
+        return VERR_HM_IPE_1;
+#endif
 
     STAM_PROFILE_ADV_START(&pVCpu->hm.s.StatImportGuestState, x);