Re: [PATCH] KVM: fix calculation of initial value of rdx register

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

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Hesse, Christian wrote:
> On Wednesday 08 November 2006 09:28, Avi Kivity wrote:
>   
>> Okay.  Please try to apply the two patches I posted yesterday.  I don't
>> see how they can help, but it's worth trying.
>>     
>
> Ok, here is the log. This time the system did not freeze completely, I could 
> still move the mouse cursor, grab the qemu window and move that around, too. 
> I could not type anything, though I could press Alt+Ctrl+F1 and got a black 
> screen and a not blinking (frozen) console cursor.
>   

One core was killed, the surviving core was able to run X and service 
some interrupts.

Can you try the attached patch (on top of the previous debug patch)?  In 
addition, please enable pae mode (CONFIG_HIGHMEM64G) to see if the cpu 
has trouble switching from pae mode in the guest to non-pae mode in the 
host.

-- 
error compiling committee.c: too many arguments to function


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Index: linux-2.6/drivers/kvm/debug.c
===================================================================
--- linux-2.6.orig/drivers/kvm/debug.c
+++ linux-2.6/drivers/kvm/debug.c
@@ -997,6 +997,12 @@ void vmcs_dump(struct kvm_vcpu *vcpu)
 
 	vcpu_printf(vcpu, "GUEST_GDTR_LIMIT 0x%x\n", vmcs_read32(GUEST_GDTR_LIMIT));
 	vcpu_printf(vcpu, "GUEST_IDTR_LIMIT 0x%x\n", vmcs_read32(GUEST_IDTR_LIMIT));
+
+	vcpu_printf(vcpu, "VM_EXIT_CONTROLS 0x%x\n", vmcs_read32(VM_EXIT_CONTROLS));
+	vcpu_printf(vcpu, "EXCEPTION_BITMAP 0x%x\n", vmcs_read32(EXCEPTION_BITMAP));
+	vcpu_printf(vcpu, "HOST_RIP 0x%lx\n", vmcs_readl(HOST_RIP));
+	vcpu_printf(vcpu, "HOST_RSP 0x%lx\n", vmcs_readl(HOST_RSP));
+
 	vcpu_printf(vcpu, "***********************************************************\n");
 }
 

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