Changeset 16478 in vbox

Timestamp:

Feb 3, 2009 10:07:55 AM (16 years ago)

Author:

vboxsync

Message:

Disable usage of the 0x80 idt gate on 32 bits Windows too. (raw mode only)

File:

• trunk/src/VBox/VMM/TRPM.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/TRPM.cpp

@@ -1232 +1232 @@
          * to work ok... However on 64-bit Vista (SMP?) is doesn't work reliably.
          * Booting Linux/BSD guest will cause system lockups on most of the computers.
+         * -> Update: It seems gate 0x80 is not safe on 32-bits Windows either. See
+         *            defect #3604.
          *
          * PORTME - Check if your host keeps any of these gates free from hw ints.
@@ -1240 +1242 @@
         /** @todo Solve this in a proper manner. see defect #1186 */
 #if defined(RT_OS_WINDOWS) && defined(RT_ARCH_X86)
-        if (iTrap == 0x2E || iTrap == 0x80)
+        if (iTrap == 0x2E)
 #elif defined(RT_OS_LINUX)
         if (iTrap == 0x80)