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[Xen-devel] [PATCH][VT][5/15] Improved error reporting on vmlaunch/vmres

from [Arun Sharma]

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To:	Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject:	[Xen-devel] [PATCH][VT][5/15] Improved error reporting on vmlaunch/vmresume failure.
From:	Arun Sharma <arun.sharma@xxxxxxxxx>
Date:	Thu, 11 Aug 2005 12:24:17 -0700
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx
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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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