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[Xen-changelog] Improved error reporting on vmlaunch/vmresume failure.

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Subject:	[Xen-changelog] Improved error reporting on vmlaunch/vmresume failure.
From:	Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Thu, 11 Aug 2005 17:06:11 -0400
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID d1034eae9708d624b730885e8dc239c1393f085e
# Parent  c9bbfb42ba84e7576516021cd33d6fec55f52270
Improved error reporting on vmlaunch/vmresume failure.

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

diff -r c9bbfb42ba84 -r d1034eae9708 xen/arch/x86/vmx_vmcs.c
--- a/xen/arch/x86/vmx_vmcs.c   Thu Aug 11 20:58:08 2005
+++ b/xen/arch/x86/vmx_vmcs.c   Thu Aug 11 21:01:10 2005
@@ -523,11 +523,17 @@
 
 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());
 }
 

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