Bug 796059

Summary: [RFE]No error when Hotplug/Coldplug duplicate USB device with bus + device
Product: Red Hat Enterprise Linux 6 Reporter: zhpeng
Component: libvirtAssignee: Michal Privoznik <mprivozn>
Status: CLOSED DUPLICATE QA Contact: Virtualization Bugs <virt-bugs>
Severity: medium Docs Contact:
Priority: medium    
Version: 6.3CC: acathrow, ajia, cwei, dallan, dyuan, mzhan, rwu, weizhan
Target Milestone: rcKeywords: FutureFeature
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-05-25 08:00:18 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description zhpeng 2012-02-22 07:50:25 UTC
Description of problem:
No error when Hotplug/Coldplug duplicate USB device with bus + device

Version-Release number of selected component (if applicable):
libvirt-0.9.10-2.el6.x86_64

How reproducible:
always

Steps to Reproduce:
[root@zhpeng ~]# lsusb
Bus 001 Device 004: ID 0951:1625 Kingston Technology DataTraveler 101 II

prepare usb device xml:
 <hostdev mode='subsystem' type='usb' managed='yes'>
          <source>
                                  <address bus='1' device='4'/>
          </source>
</hostdev>

# virsh start kvm1
# virsh attach-device kvm1 usb1.xml
Device attached successfully
# virsh attach-device kvm1 usb1.xml
Device attached successfully
# virsh attach-device kvm1 usb1.xml
Device attached successfully

# virsh dumpxml kvm1
...
   <hostdev mode='subsystem' type='usb' managed='yes'>
      <source>
        <address bus='1' device='4'/>
      </source>
      <alias name='hostdev0'/>
    </hostdev>
    <hostdev mode='subsystem' type='usb' managed='yes'>
      <source>
        <address bus='1' device='4'/>
      </source>
      <alias name='hostdev1'/>
    </hostdev>
    <hostdev mode='subsystem' type='usb' managed='yes'>
      <source>
        <address bus='1' device='4'/>
      </source>
      <alias name='hostdev2'/>
    </hostdev>
...

Actual results:
There is no error

Expected results:
Error shows and stop user do this

Additional info:

Comment 2 Michal Privoznik 2012-05-25 08:00:18 UTC

*** This bug has been marked as a duplicate of bug 743671 ***