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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:	Wed, 31 Aug 2005 08:30:13 +0000
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# HG changeset patch
# User adsharma@xxxxxxxxxxxxxxxxxxxx
# Node ID 5b239652c9122f82c8b86853162b36efa056abe8
# Parent  e4ad3feadd4e706b630858652de2c601616ce6d0
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 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());
 }
 

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