From mboxrd@z Thu Jan  1 00:00:00 1970
From: Arun Sharma <arun.sharma@intel.com>
Subject: [PATCH][VT][5/15] Improved error reporting on
	vmlaunch/vmresume failure.
Date: Thu, 11 Aug 2005 12:24:17 -0700
Message-ID: <20050811192417.GA15270@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <xen-devel-bounces@lists.xensource.com>
Content-Disposition: inline
List-Unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Ian Pratt <Ian.Pratt@cl.cam.ac.uk>, Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

Improved error reporting on vmlaunch/vmresume failure.

Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: Arun Sharma <arun.sharma@intel.com>

diff -r e4ad3feadd4e -r 5b239652c912 xen/arch/x86/vmx_vmcs.c
--- a/xen/arch/x86/vmx_vmcs.c	Tue Aug  9 19:06:44 2005
+++ b/xen/arch/x86/vmx_vmcs.c	Tue Aug  9 19:06:44 2005
@@ -529,11 +529,17 @@
 
 void vm_launch_fail(unsigned long eflags)
 {
+    unsigned long error;
+    __vmread(VM_INSTRUCTION_ERROR, &error);
+    printk("<vm_launch_fail> error code %lx\n", error);
     __vmx_bug(guest_cpu_user_regs());
 }
 
 void vm_resume_fail(unsigned long eflags)
 {
+    unsigned long error;
+    __vmread(VM_INSTRUCTION_ERROR, &error);
+    printk("<vm_resume_fail> error code %lx\n", error);
     __vmx_bug(guest_cpu_user_regs());
 }