Description of problem:
VM where the soundcard is enabled will crash and go in to a powered off state when you attempt to use the SPICE HTML 5 browser. Customer is able to reproduce this issue if you would like any additional diagnostic information.  VM Information below.

Version-Release number of selected component (if applicable):
RHV 4.0 GA

How reproducible:
100% on VMs with sound card enabled

Steps to Reproduce:
1.
2.
3.

Actual results:
VM crashes to powered off state

Expected results:


Additional info:
VM information:
id                                : 0d6e898d-9d62-4fe8-a7da-bdcd635d63c0
name                              : labbtrn037
description                       : Lrrajanal
bios-boot_menu-enabled            : False
cluster-id                        : 646fa8e6-3b3f-475a-a733-6bce9fae2700
console-enabled                   : False
cpu-architecture                  : x86_64
cpu-topology-cores                : 1
cpu-topology-sockets              : 1
cpu-topology-threads              : 1
cpu_profile-id                    : 31ca44dc-ffaa-4114-99be-6afd781aee04
cpu_shares                        : 0
creation_time                     : 2016-08-29 14:25:54.351000-04:00
delete_protected                  : False
display-address                   : 45.14.80.24
display-allow_override            : False
display-copy_paste_enabled        : True
display-disconnect_action         : LOCK_SCREEN
display-file_transfer_enabled     : True
display-monitors                  : 1
display-secure_port               : 5911
display-single_qxl_pci            : False
display-smartcard_enabled         : False
display-type                      : spice
high_availability-enabled         : False
high_availability-priority        : 0
host-id                           : bc36f91b-5a37-4a1d-b569-1fe45def8eb8
host-live_snapshot_support        : True
initialization-configuration-data : <?xml version="1.0" encoding="UTF-8"?><ovf:Envelope xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1/" xmlns:rasd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData" xmlns:vssd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ovf:version="4.0.0.0"><References><File ovf:href="ae6202fe-2cc5-48e7-8860-23f8690b3bf6/35061298-44c7-4707-8016-6188b9209cc5" ovf:id="35061298-44c7-4707-8016-6188b9209cc5" ovf:size="75161927680" ovf:description="Active VM" ovf:disk_storage_type="IMAGE" ovf:cinder_volume_type=""></File><Nic ovf:id="a0a1d13a-5149-4c6e-be2e-66e35ca3a459"></Nic></References><Section xsi:type="ovf:NetworkSection_Type"><Info>List of networks</Info><Network ovf:name="Network 1"></Network></Section><Section xsi:type="ovf:DiskSection_Type"><Info>List of Virtual Disks</Info><Disk ovf:diskId="35061298-44c7-4707-8016-6188b9209cc5" ovf:size="70" ovf:actual_size="2" ovf:vm_snapshot_id="1a5201ad-8871-4b53-8a3b-56a4b0886933" ovf:parentRef="" ovf:fileRef="ae6202fe-2cc5-48e7-8860-23f8690b3bf6/35061298-44c7-4707-8016-6188b9209cc5" ovf:format="http://www.gnome.org/~markmc/qcow-image-format.html" ovf:volume-format="COW" ovf:volume-type="Sparse" ovf:disk-interface="VirtIO" ovf:boot="true" ovf:disk-alias="labbtrn037_Disk1" ovf:wipe-after-delete="false"></Disk></Section><Content ovf:id="out" xsi:type="ovf:VirtualSystem_Type"><Description>Lrrajanal</Description><CreationDate>2016/08/29 18:25:54</CreationDate><ExportDate>2016/08/30 14:53:06</ExportDate><DeleteProtected>false</DeleteProtected><SsoMethod>guest_agent</SsoMethod><IsSmartcardEnabled>false</IsSmartcardEnabled><TimeZone>America/New_York</TimeZone><default_boot_sequence>11</default_boot_sequence><Generation>8</Generation><ClusterCompatibilityVersion>4.0</ClusterCompatibilityVersion><VmType>1</VmType><MinAllocatedMem>1024</MinAllocatedMem><IsStateless>false</IsStateless><IsRunAndPause>false</IsRunAndPause><AutoStartup>false</AutoStartup><Priority>0</Priority><CreatedByUserId>00000000-0000-0000-0000-000000000000</CreatedByUserId><MigrationSupport>0</MigrationSupport><IsBootMenuEnabled>false</IsBootMenuEnabled><IsSpiceFileTransferEnabled>true</IsSpiceFileTransferEnabled><IsSpiceCopyPasteEnabled>true</IsSpiceCopyPasteEnabled><CustomEmulatedMachine></CustomEmulatedMachine><CustomCpuName></CustomCpuName><PredefinedProperties></PredefinedProperties><UserDefinedProperties></UserDefinedProperties><Name>labbtrn037</Name><TemplateId>00000000-0000-0000-0000-000000000000</TemplateId><TemplateName>Blank</TemplateName><IsInitilized>true</IsInitilized><Origin>3</Origin><DefaultDisplayType>1</DefaultDisplayType><TrustedService>false</TrustedService><OriginalTemplateId>00000000-0000-0000-0000-000000000000</OriginalTemplateId><OriginalTemplateName>Blank</OriginalTemplateName><UseHostCpu>false</UseHostCpu><UseLatestVersion>false</UseLatestVersion><Section ovf:id="0d6e898d-9d62-4fe8-a7da-bdcd635d63c0" ovf:required="false" xsi:type="ovf:OperatingSystemSection_Type"><Info>Guest Operating System</Info><Description>rhel_7x64</Description></Section><Section xsi:type="ovf:VirtualHardwareSection_Type"><Info>1 CPU, 4096 Memory</Info><System><vssd:VirtualSystemType>ENGINE 4.0.0.0</vssd:VirtualSystemType></System><Item><rasd:Caption>1 virtual cpu</rasd:Caption><rasd:Description>Number of virtual CPU</rasd:Description><rasd:InstanceId>1</rasd:InstanceId><rasd:ResourceType>3</rasd:ResourceType><rasd:num_of_sockets>1</rasd:num_of_sockets><rasd:cpu_per_socket>1</rasd:cpu_per_socket><rasd:threads_per_cpu>1</rasd:threads_per_cpu></Item><Item><rasd:Caption>4096 MB of memory</rasd:Caption><rasd:Description>Memory Size</rasd:Description><rasd:InstanceId>2</rasd:InstanceId><rasd:ResourceType>4</rasd:ResourceType><rasd:AllocationUnits>MegaBytes</rasd:AllocationUnits><rasd:VirtualQuantity>4096</rasd:VirtualQuantity></Item><Item><rasd:Caption>labbtrn037_Disk1</rasd:Caption><rasd:InstanceId>35061298-44c7-4707-8016-6188b9209cc5</rasd:InstanceId><rasd:ResourceType>17</rasd:ResourceType><rasd:HostResource>ae6202fe-2cc5-48e7-8860-23f8690b3bf6/35061298-44c7-4707-8016-6188b9209cc5</rasd:HostResource><rasd:Parent>00000000-0000-0000-0000-000000000000</rasd:Parent><rasd:Template>00000000-0000-0000-0000-000000000000</rasd:Template><rasd:ApplicationList></rasd:ApplicationList><rasd:StorageId>a838ac08-1ff8-491e-8c0e-65a4f1794c96</rasd:StorageId><rasd:StoragePoolId>bedb1f61-d0e7-4b0e-9b5c-440672a987a2</rasd:StoragePoolId><rasd:CreationDate>2016/08/30 11:54:21</rasd:CreationDate><rasd:LastModified>1970/01/01 00:00:00</rasd:LastModified><rasd:last_modified_date>2016/08/30 14:53:06</rasd:last_modified_date></Item><Item><rasd:Caption>Ethernet adapter on VLAN180</rasd:Caption><rasd:InstanceId>a0a1d13a-5149-4c6e-be2e-66e35ca3a459</rasd:InstanceId><rasd:ResourceType>10</rasd:ResourceType><rasd:OtherResourceType>ovirtmgmt</rasd:OtherResourceType><rasd:ResourceSubType>3</rasd:ResourceSubType><rasd:Connection>VLAN180</rasd:Connection><rasd:Linked>true</rasd:Linked><rasd:Name>nic1</rasd:Name><rasd:MACAddress>00:1a:4a:16:01:55</rasd:MACAddress><rasd:speed>1000</rasd:speed></Item><Item><rasd:Caption>USB Controller</rasd:Caption><rasd:InstanceId>3</rasd:InstanceId><rasd:ResourceType>23</rasd:ResourceType><rasd:UsbPolicy>DISABLED</rasd:UsbPolicy></Item></Section></Content></ovf:Envelope>
initialization-configuration-type : ovf
io-threads                        : 0
large_icon-id                     : 7aaf08f8-fb66-4234-b486-b05cf3eb14b4
memory                            : 4294967296
memory_policy-ballooning          : True
memory_policy-guaranteed          : 1073741824
migration-auto_converge           : inherit
migration-compressed              : inherit
migration_downtime                : -1
next_run_configuration_exists     : False
numa_tune_mode                    : interleave
origin                            : ovirt
os-boot-dev                       : hd
os-boot-dev                       : network
os-type                           : rhel_7x64
placement_policy-affinity         : migratable
run_once                          : False
small_icon-id                     : b770c97e-fe84-485e-8162-842ffdc544da
soundcard_enabled                 : False   <=When this is enabled, it crashes
sso-methods-method-id             : guest_agent
start_paused                      : False
start_time                        : 2016-08-30 10:46:18.824000-04:00
stateless                         : False
status-state                      : up
stop_time                         : 2016-08-30 10:42:45.539000-04:00
template-id                       : 00000000-0000-0000-0000-000000000000
time_zone-name                    : America/New_York
timezone                          : America/New_York
type                              : server
usb-enabled                       : False
virtio_scsi-enabled               : True