Hi Kasai,
It seems there is a bug caused by this patch.
If providing both hda and xvda, there would be two hda devices given to Qemu.
And the image of xvda would be recover the real hda. If xvda doesn't include
booting system, HVM booting failed. So how about have a little modify? If there
is a hdx device, don't translate xvdx to related hdx.
Best Regards,
Yongkang You
>-----Original Message-----
>From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
>Kasai Takanori
>Sent: Monday, October 15, 2007 6:43 PM
>To: xen-devel
>Subject: [Xen-devel] [PATCH] [IOEMU] Allow blktap to be able
>to be booted assystemvolume for PV-on-HVM(TAKE 3)
>
>Hi All,
>
>I sent the patch to make blktap work with PV-on-HVM.
>I corrected the part that had been pointed out in the Xen community.
>
>・All xvdN disk is looked like hdN.
>・All tap disks are checked.(tap:aio, tap:sync, tap:vmdk, etc.)
>
>We cannot use blktap for the volume of the system with PV-on-HVM
>and are embarrassed.
>Could you apply this patch? Or, please give the comment to me.
>
>Signed-off-by: Takanori Kasai <kasai.takanori@xxxxxxxxxxxxxx>
>
>Best Regards,
>
>--
>Takanori Kasai
>
>----- Original Message -----
>From: "Kasai Takanori" <kasai.takanori@xxxxxxxxxxxxxx>
>To: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
>Sent: Thursday, July 12, 2007 9:13 AM
>Subject: [Xen-devel] [PATCH] Allow blktap to be able to be booted as
>systemvolume for PV-on-HVM(TAKE 2)
>
>
>> Hi All,
>>
>> I sent the patch to make blktap work with PV-on-HVM.
>> For system volume to boot hda or xvda,
>> I corrected the patch.
>>
>> Signed-off-by: Takanori Kasai <kasai.takanori@xxxxxxxxxxxxxx>
>>
>> This patch made it possible to use either.
>>
>> disk = [ 'tap:aio:/xen/test/rhel5ga_full.img,hda,w' ]
>> or
>> disk = [ 'tap:aio:/xen/test/rhel5ga_full.img,xvda,w' ]
>>
>> It is assumed that hda is a volume of the system
>> if both xvda and hda are specified.
>>
>> disk = [ 'file:/xen/test/rhel5ga_full.img,hda,w',
>> 'tap:aio:/xen/test/drive2.img,xvda,w' ]
>>
>> Best Regards,
>>
>> --
>> Takanori Kasai
>>
>>
>> ----- Original Message -----
>> From: "Kasai Takanori" <kasai.takanori@xxxxxxxxxxxxxx>
>> To: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
>> Sent: Friday, July 06, 2007 7:50 PM
>> Subject: [Xen-devel] [PATCH] Allow blktap to be able to be booted as
>> systemvolume for PV-on-HVM
>>
>>
>>> Hi All,
>>>
>>> We were testing the PV driver on the HVM domain.
>>> When blktap was booting system volume, PV-on-HVM domain was
>not able to be
>>> started.
>>>
>>> The configuration file is specified as follows.
>>> disk = [ 'tap:aio:/xen/test/rhel5ga_full.img,hda,w' ]
>>>
>>> The error occurred by the initialization of system volume
>in qemu-dm.
>>>
>>> qemu: could not open hard disk image
>'aio:/xen/test/rhel5ga_full.img'
>>>
>>> It is because "aio:" is added to the head of params in xenstore.
>>> However, qemu-dm open device by params.
>>>
>>> This patch corrected the problem of params on the qemu-dm.
>>>
>>> Signed-off-by: Takanori Kasai <kasai.takanori@xxxxxxxxxxxxxx>
>>> Signed-off-by: Tomonari Horikoshi <t.horikoshi@xxxxxxxxxxxxxx>
>>> Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@xxxxxxxxxxxxxx>
>>>
>>> The execution result is as follows.
>>>
>>> # xm create -f rhel5ga_vti.conf
>>> Using config file "./rhel5ga_vti.conf".
>>> Started domain RHEL5GA-test2
>>> # xm block-list RHEL5GA-test2
>>> Vdev BE handle state evt-ch ring-ref BE-path
>>> 768 0 0 1 -1 -1
>/local/domain/0/backend/tap/75/768
>>> ... <<= /* Waiting for booting process */
>>> # xm block-list RHEL5GA-test2
>>> Vdev BE handle state evt-ch ring-ref BE-path
>>> 768 0 0 4 7 8
>/local/domain/0/backend/tap/75/768
>>>
>>> Best Regards,
>>
>
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