[Kimchi-devel] Hot plug tests fails for scsi-cdrom

[Wen Wang]

Okay, sure
On 11/3/2014 7:45 PM, Aline Manera wrote:
>
> On 11/03/2014 04:32 AM, Royce Lv wrote:
>> After finished patch for scsi cdrom and passed tests against cold 
>> plug/vm creation, when I were testing hot plug for cdrom, I got the 
>> following error:
>>     libvirt: QEMU Driver error : internal error: No device with bus 
>> 'scsi' and target 'sda'
>>
>> When debugging and searching, found this reply in libvirt community:
>> https://www.redhat.com/archives/libvirt-users/2013-December/msg00033.html 
>>
>> https://www.redhat.com/archives/libvirt-users/2013-December/msg00034.html 
>>
>> Quote from libvirt maintainer Daniel B that:
>> "
>>
>> There is no way to hotplug a CDROM device - only disk devices can be
>> hotplugged.
>>
>> For CDROM/Floppy devices it is looking for an existing device with the
>> given name, and then trying to change the removable media in that 
>> device.
>> The error you're getting shows that there is no such CDROM device 
>> with the
>> name 'vda' in the guest already.
>>
>> "
>> So I think we need to abandon this scsi cdrom patch and just use 
>> current ide cdrom.
>> And in UI part, we also need to disable hot plug for cdrom.
>
> Thanks for verifying, Royce!
>
> Wen Wang, could you update your patch and remove the cdrom option for 
> hot plug?