==00:00:00:22.325 26087== Syscall param ioctl(generic) points to uninitialised byte(s)
==00:00:00:22.326 26087==    at 0x5337907: ioctl (in /usr/lib/libc-2.19.so)
==00:00:00:22.326 26087==    by 0x135F39D3: drmIoctl (in /usr/lib/libdrm.so.2.4.0)
==00:00:00:22.326 26087==    by 0x135F5D7E: drmCommandWriteRead (in /usr/lib/libdrm.so.2.4.0)
==00:00:00:22.326 26087==    by 0x17DD3F91: intel_driver_init (intel_driver.c:46)
==00:00:00:22.326 26087==    by 0x17DB7E87: __vaDriverInit_0_34 (i965_drv_video.c:5165)
==00:00:00:22.326 26087==    by 0x13A706D7: va_openDriver (va.c:292)
==00:00:00:22.326 26087==    by 0x13A713DA: vaInitialize (va.c:475)
==00:00:00:22.326 26087==    by 0x138192CA: gst_vaapi_display_new (gstvaapidisplay.c:925)
==00:00:00:22.326 26087==    by 0x11B1C51B: gst_vaapi_ensure_display (gstvaapipluginutil.c:102)
==00:00:00:22.326 26087==    by 0x11B1BD83: gst_vaapi_plugin_base_ensure_display (gstvaapipluginbase.c:232)
==00:00:00:22.326 26087==    by 0x11B1A63F: gst_vaapidecode_query (gstvaapidecode.c:612)
==00:00:00:22.326 26087==    by 0x5667419: gst_pad_query (gstpad.c:3511)
==00:00:00:22.326 26087==    by 0x56679FF: gst_pad_peer_query (gstpad.c:3642)
==00:00:00:22.326 26087==    by 0x5693F07: query_caps_func (gstutils.c:2481)
==00:00:00:22.326 26087==    by 0x5666786: gst_pad_forward (gstpad.c:2729)
==00:00:00:22.326 26087==    by 0x56960E9: gst_pad_proxy_query_caps (gstutils.c:2531)
==00:00:00:22.326 26087==    by 0x5666D2A: gst_pad_query_default (gstpad.c:2893)
==00:00:00:22.326 26087==    by 0x5667419: gst_pad_query (gstpad.c:3511)