Re: [Xen-devel] disk=['file://..xvda'] not working for boot disks anymore?

[Jim Fehlig <jfehlig@xxxxxxxx>]

On 01/22/2016 02:54 PM, Konrad Rzeszutek Wilk wrote:
> On Fri, Jan 22, 2016 at 03:59:09PM -0500, Boris Ostrovsky wrote:
>> On 01/22/2016 03:54 PM, Konrad Rzeszutek Wilk wrote:
>>> Hey,
>>>
>>> This parameter
>>> disk = 
>>> ['file:/root/sol.dd,xvda,w','file:/root/sol-11_2_15_5_1-text-x86.iso,xvdb:cdrom,r']
>>>
>>> works with qemu-traditional, but if I try with qemu-xen it
>>> does not find the disk:
>>>
>>> (d15) [2016-01-22 20:50:03] enter handle_19:
>>> (d15) [2016-01-22 20:50:03]   NULL
>>> (d15) [2016-01-22 20:50:03] Booting from ROM...
>>> (d15) [2016-01-22 20:50:03] Booting from c980:0361
>>>
>>> while with qemu-traditional:
>>>
>>> (d14) [2016-01-22 20:43:15] Bochs BIOS - build: 06/23/99
>>> (d14) [2016-01-22 20:43:15] $Revision: 1.221 $ $Date: 2008/12/07 17:32:29 $
>>> (d14) [2016-01-22 20:43:15] Options: apmbios pcibios eltorito PMM
>>> (d14) [2016-01-22 20:43:15]
>>> (d14) [2016-01-22 20:43:15] ata0 master: QEMU HARDDISK ATA-7 Hard-Disk 
>>> (12288 MBytes)
>>> (d14) [2016-01-22 20:43:15]
>>> (d14) [2016-01-22 20:43:15]
>>> (d14) [2016-01-22 20:43:15]
>>> (d14) [2016-01-22 20:43:15] Press F12 for boot menu.
>>> (d14) [2016-01-22 20:43:15]
>>> (d14) [2016-01-22 20:43:15] Booting from Hard Disk...
>>>
>>> It does work with Xen 4.4, but that is ancient. I hadn't yet
>>> tried Xen 4.5 nor 4.6.
>>>
>>> I am hoping one of you knows exactly which commit might have made
>>> this change?
>>>
>>> Note that the name is 'xvda', not 'hda'. Thanks!
>> Probably this one:
>>
>> http://lists.xenproject.org/archives/html/xen-devel/2015-10/msg01529.html
> You are good.
>
> That was it.
>
> CC-ing Anthony - are you OK if the patch was reverted?

I'd prefer this not be reverted, and instead use 'hda' in your config. Unless
you know of another way for libxl apps to request a xen virtual disk without the
accompanying emulated one.

Regards,
Jim


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