[Xen-devel] tap:qcow causes dom-U to hang in 3.0.4-rc1

[Hiromichi Itou <ito@xxxxxxxx>]

Hi,

This problem had been discussed on this ML before.
Please refer to following URL.
	http://lists.xensource.com/archives/html/xen-devel/2006-11/ 
msg00391.html
This problem still remains in Xen 3.0.4-rc1.　(I tested on  
x86-64.)
Steps to Reproduce:

1) Create bootable DomainU image.
	dd if=/dev/zero of=/var/images/storage.disk1.sys1 bs=1024k count=1  
seek=8191
          etc.

2) Create qcow file that has backing file.
        qcow-create 100 /var/images/qcowbak.img /var/images/storage.disk1.sys1

3) Boot DomainU that has below config.
        disk = [ 'tap:qcow:/var/images/qcowbak.img.img,hda,w' ]


I plan to start the investigation of the cause of this problem.

Has anyone already solved this problem?


Hiromichi Ito
Director of Engineering Department
---
Begi.net (http://Begi.net)



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