Xen devel - Apr 2006 - RE: Xm-test fails to pass sanity checks in hvm mode

>
>On Wed, 2006-04-12 at 06:38 +0800, Li, Xin B wrote:
>> >
>> >I do have pae=1.
>> 
>> Are you using 32 bit xen? We can not run a PAE SMP kernel on it.
>
>
>D''oh!... my bad. <grin> 
>
>I still can''t get it to work - 32bit system with a 32bit 2.6.15 SMP
>kernel. This is with the xm-test disk.img.
>
>I''ll need to make a new disk image (not xm-test disk.img) tomorrow
with
>an SMP kernel and try again. 
You''ll get blocked by a SMP bug on 32bit xen, use this patch should get
you pass.

diff -r edefe24d78bd xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c        Tue Apr 11 12:51:48 2006 +0100
+++ b/xen/arch/x86/hvm/vmx/vmx.c        Wed Apr 12 06:35:11 2006 +0800
@@ -1472,7 +1472,7 @@ static int vmx_set_cr0(unsigned long val
             }
         }

-        clear_all_shadow_status(v->domain);
+        //clear_all_shadow_status(v->domain);
         if ( vmx_assist(v, VMX_ASSIST_INVOKE) ) {
             set_bit(VMX_CPU_STATE_ASSIST_ENABLED,
&v->arch.hvm_vmx.cpu_state);
             __vmread(GUEST_RIP, &eip);

Hope a better fix will be sent out soon.

-Xin

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