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Bug 918470 - It doesn't fail to resume a guest when the specified host USB device is not found
Summary: It doesn't fail to resume a guest when the specified host USB device is not f...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: libvirt
Version: 6.4
Hardware: Unspecified
OS: Unspecified
unspecified
medium
Target Milestone: rc
: ---
Assignee: Osier Yang
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks: 963632
TreeView+ depends on / blocked
 
Reported: 2013-03-06 10:13 UTC by hongming
Modified: 2013-07-01 02:51 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 963632 (view as bug list)
Environment:
Last Closed: 2013-05-16 10:08:17 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description hongming 2013-03-06 10:13:33 UTC 
Description of problem:
When resume a guest if the specified host USB device is not found , It doesn't fail (or drop) even startupPolicy='mandatory'


Version-Release number of selected component (if applicable):
libvirt-0.10.2-18.el6.x86_64 

How reproducible:
100% 

Steps to Reproduce:
1. Plug in a usb disk to host.

2. # virsh start rhel6.3
Domain rhel6.3 started

3. # virsh dumpxml rhel6.3
<domain>
......
<hostdev mode='subsystem' type='usb' managed='yes'>
<source startupPolicy='mandatory'>
<vendor id='0x0204'/>
<product id='0x6025'/>
<address bus='2' device='10'/>
</source>
<alias name='hostdev0'/>
</hostdev>
.......
</domain>


4. # virsh suspend rhel6.3
Domain rhel6.3 suspended

5. Pull out the usb disk from host


6. # virsh resume rhel6.3
Domain rhel6.3 resumed


7. # virsh dumpxml rhel6.3
<domain>
......
<hostdev mode='subsystem' type='usb' managed='yes'>
<source startupPolicy='mandatory'>
<vendor id='0x0204'/>
<product id='0x6025'/>
<address bus='2' device='10'/>
</source>
<alias name='hostdev0'/>
</hostdev>
.......
</domain> 
  
Actual results:
When resume a guest if the specified host USB device is not found , It doesn't fail (or drop) even startupPolicy='mandatory' 

Expected results:
It should be failed to resume the guest if the specified host USB device is not found .


Additional info:
Comment 1 Jiri Denemark 2013-05-16 10:08:17 UTC 
This works as expected, virsh suspend and resume commands merely
stop/start guest CPUs. Your test is equivalent to pulling out the usb
disk while the domain is normally running. You probably wanted to run
virsh managedsave and virsh start commands.
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