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Description of problem:
After Click Edit menu->Preferences->VM Details, and select "Remote virtual machine" in New VM section, and create a vm on remote connection, there is no sound device exist.

Version-Release number of selected component (if applicable):
virt-manager-0.8.4-7.el6.noarch
libvirt-0.8.1-15.el6.x86_64
kernel  2.6.32-50.el6.x86_64
qemu-kvm-0.12.1.2-2.96.el6.x86_64

How reproducible:
always

Steps to Reproduce:
1. Click Edit menu->Preferences->VM Details, and select "Remote virtual machine" in New VM section.
2. Create a vm on remote connection
3. Click the hardware tab in the Virtual Machine Details window to check sound device.
  
Actual results:
there is no sound device exists

Expected results:
sound device exist and work well

Additional info:

This issue has been proposed when we are only considering blocker
issues in the current Red Hat Enterprise Linux release.

** If you would still like this issue considered for the current
release, ask your support representative to file as a blocker on
your behalf. Otherwise ask that it be considered for the next
Red Hat Enterprise Linux release. **

Fixed upstream:

http://hg.fedorahosted.org/hg/virt-manager/rev/c7bfca6a3404

Fixed in virt-manager-0.8.6-1.el6

Verified with passed in virt-manager-0.8.6-1.el6

Sound device can be installed in guest via remote connection. In virt-manager guest hardware tab can see this device. Also log in the guest and use # lspci to check this device is existed and works well. 

# uname -a
Linux dhcp-65-85.nay.redhat.com 2.6.32-99.el6.x86_64 #1 SMP Fri Jan 14 10:46:00
EST 2011 x86_64 x86_64 x86_64 GNU/Linux

kernel-2.6.32-99.el6.x86_64
qemu-kvm-0.12.1.2-2.129.el6.x86_64
libvirt-0.8.7-1.el6.x86_64

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0637.html