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From: Dan Aloni <da-x@monatomic.org>
To: Avi Kivity <avi@qumranet.com>
Cc: kvm-devel@lists.sourceforge.net
Subject: Re: kvm-60: kexec in guest crashes the host
Date: Wed, 27 Feb 2008 23:32:29 +0200	[thread overview]
Message-ID: <20080227213228.GA32178@localdomain> (raw)
In-Reply-To: <47C56D8D.4060803@qumranet.com>

On Wed, Feb 27, 2008 at 04:02:53PM +0200, Avi Kivity wrote:
> Avi Kivity wrote:
[...]
>>
>> I managed to reproduce it (FC6 kernel kexecing itself).  It is Intel 
>> specific.
>>
>>   
>
> The attached patch fixes the problem for me.

Works for me too.

> diff --git a/kernel/vmx.c b/kernel/vmx.c
> index 7ce02d2..ccc8174 100644
> --- a/kernel/vmx.c
> +++ b/kernel/vmx.c
> @@ -1356,6 +1356,7 @@ static void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer)
>  
>  		msr->data = efer & ~EFER_LME;
>  	}
> +	vmx_load_host_state(vmx);
>  	setup_msrs(vmx);
>  }
>  


-- 
Dan Aloni
XIV, an IBM (R) company. http://www.xivstorage.com
da-x (at) monatomic.org, dan (at) xiv.co.il

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      reply	other threads:[~2008-02-27 21:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-19 10:25 kvm-60: kexec in guest crashes the host Dan Aloni
2008-02-19 16:03 ` Avi Kivity
2008-02-19 16:46   ` Dan Aloni
2008-02-20  9:09     ` Avi Kivity
2008-02-20 10:48       ` Dan Aloni
2008-02-25 19:25         ` Dan Aloni
2008-02-27 12:51         ` Avi Kivity
2008-02-27 14:02           ` Avi Kivity
2008-02-27 21:32             ` Dan Aloni [this message]

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