Re: [Qemu-devel] Re: Problem with virtio

[Frans de Boer]

On 09/21/2010 01:15 AM, Frans de Boer wrote:
> On 09/20/2010 11:19 PM, Vadim Rozenfeld wrote:
>   
>> On Mon, 2010-09-20 at 22:22 +0200, Frans de Boer wrote:
>>   
>>     
>>> On 09/20/2010 07:46 PM, Michael S. Tsirkin wrote:
>>>     
>>>       
>>>> On Sun, Sep 19, 2010 at 11:13:16PM +0200, Frans de Boer wrote:
>>>>   
>>>>       
>>>>         
>>>>> On 09/19/2010 05:53 PM, Michael S. Tsirkin wrote:
>>>>>
>>>>>     On Sat, Sep 18, 2010 at 11:13:12PM +0200, Frans de Boer wrote:
>>>>>
>>>>>
>>>>>         On 09/17/2010 10:10 AM, Frans de Boer wrote:
>>>>>
>>>>>
>>>>>             On 09/17/2010 01:40 AM, Luiz Capitulino wrote:
>>>>>
>>>>>
>>>>>
>>>>>                 On Thu, 16 Sep 2010 23:49:51 +0200
>>>>>                 Frans de Boer <address@hidden> wrote:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>                     Dear reader,
>>>>>
>>>>>                     Using qemu-kvm-0.13-rc1 and having the boot partition 
>>>>> as if=virtio,
>>>>>                     causes the attached blue screen when booting Windows 
>>>>> XP SP3.
>>>>>                     Changing the interface to ide (if=ide) and the system 
>>>>> boots normal.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>                 Do you have the virtio drivers installed?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>             Yes, everything is working fine when I use the 0.12.5 release.
>>>>>             Before you ask, I am using the git repository too. Same 
>>>>> effect.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>         No suggestions form anyone?
>>>>>         Again, any compile combination is working under 0.12.5. Starting 
>>>>> with
>>>>>         0.13-rc0/1 the virtio option for the boot disk is not working 
>>>>> anymore.
>>>>>
>>>>>         Frans.
>>>>>
>>>>>
>>>>>     Could you try bisecting please?
>>>>>     git bisect start v0.13.0-rc0 v0.12.0
>>>>>
>>>>>     will start the bisect process, then you build, test and run
>>>>>     git bisect good/git bisect bad as appropriate to get the
>>>>>     new version.
>>>>>
>>>>>
>>>>>
>>>>> Following your advice, I noticed that the system could not boot when I 
>>>>> use the
>>>>> guest virtio driver. I then switch back to as far as  version 10.0 with 
>>>>> the
>>>>> same bad result. I then remembered that in the past I used the '.raw' 
>>>>> format.
>>>>> Since I am using the qcow2 format (better performance), I never tried 
>>>>> if=virtio
>>>>> for the disk before until I use the 0.13.0-rc1 version. I tried the 
>>>>> release tar
>>>>> file of 0.12.5 and this time with the guest virtio driver, with the same 
>>>>> bad
>>>>> result.
>>>>> Maybe it is the file format? Maybe the virtio disk driver? I have taken 
>>>>> the
>>>>> virtio drivers from the KVM website.
>>>>>
>>>>>         
>>>>>           
>> Please try this one 
>> http://people.redhat.com/vrozenfe/VioStorXp32.tar.gz
>> Cheers,
>> Vadim.
>>   
>>     
>>>>> Frans.
>>>>>     
>>>>>         
>>>>>           
>>>> I got confused, sorry. Let's try to enumerate what works and what does not.
>>>> Could you tell us which of the following combinations you tried
>>>> and with what result (works/doesn't)?
>>>>
>>>> - virtio + raw + 0.12
>>>> - virtio + qcow2 + 0.12
>>>> - ide + qcow2 + 0.12
>>>>
>>>> - virtio + raw + 0.13
>>>> - virtio + qcow2 + 0.13
>>>> - ide + qcow2 + 0.13
>>>>
>>>> Thanks!
>>>>
>>>>   
>>>>       
>>>>         
>>> I used 0.12.5 (git and tarball) and the 0.13-rc1 (git and tarball)
>>>
>>> - virtio + raw + 0.12               ok
>>> - virtio + qcow2 + 0.12             fail!
>>> - ide + qcow2 + 0.12                ok
>>>
>>> - virtio + raw + 0.13               fail!
>>> - virtio + qcow2 + 0.13             fail!
>>> - ide + qcow2 + 0.13                ok
>>>
>>> Frans.
>>>     
>>>       
> The new list is:
>
> - virtio + raw + 0.13         ok.
>
> That is when I am using this viostor driver:
>   http://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/bin/
> I used the complete ISO file and extracted the viostor files. These are 6.x 
> files.
>
> .qcow2 with virtio still does not work under 0.13-rc1
> It's late, so maybe in a few days I try 0.12.5 with the .qcow2 format.
>
> By the way, above ISO file contains much more virtio goodies not supplied yet 
> at the KVM or QEMU site. Maybe an upgrade at the site is in order?
>
> Frans.
>
>
>
>   
Is anybody still following this?