Re: [Xen-devel] [PATCH] Fix xm block/network-detach command (take2)

[Jim Fehlig <jfehlig@xxxxxxxxxx>]

Masaki Kanno wrote:
> Hi Jim,
>
> Thanks for your tests.
>
>   
>> I tested your patch briefly on c/s 15672.
>>     
> <snip>
>   
>> The device was unplugged but its config not removed. From xend.log:
>>
>> File "/usr/lib64/python2.4/xen/xend/XendDomainInfo.py", line 615, in
>> destroyDevice
>> self.info['%s_refs' % deviceClass].remove(dev_uuid)
>> KeyError: 'tap_refs'
>>
>> I think refs for the various disk types all fall under 'vbd_refs'.
>>     
>
> I tested blktap with the same way as your operation.  But I did not 
> encounter the command error as follows. 
> But your thinking is right, so I wrote a small patch to remove the 
> error message.  Could you test the patch again? 
>   

Looks good with your additional patch. Thanks.

<snip>
>> The behavior is fine (i.e. the disk is still attached and remains in
>> stored config) but the error message is misleading. xvbd is connected,
>> its just the front-end won't let go AFAIK.
>>     
>
> I'd like to improve the error message.  Could you give me thinking 
> time about 2 weeks? 
>   

Sure. I just noticed it while testing but spent no time investigating.

Regards,
Jim


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