Huge delay in starting v4l2src ! fakesink pipeline

[Baby Octopus]

Hi,

I'm running following two pipelines in parallel

*gst-launch-1.0 v4l2src device=/dev/video0  ! fakesink
gst-launch-1.0 v4l2src device=/dev/video1  ! fakesink*

While the first device works perfectly, the second independent pipeline
takes about 50seconds to start!! GDB trace shows the wait in some pthread
function. The 2nd one starts immediately if I do not run the first pipeline.
Does anyone have any clue here? 

#0  0x00007ffff6c0f9e0 in __open_nocancel () from /usr/lib64/libpthread.so.0
#1  0x00007fffefee4d55 in ?? () from
/usr/local/lib/gstreamer-1.0/libgstvideo4linux2.so
#2  0x00007ffff7b342e2 in ?? () from /usr/local/lib/libgstreamer-1.0.so.0
#3  0x00007ffff7b352d0 in gst_plugin_load_file () from
/usr/local/lib/libgstreamer-1.0.so.0
#4  0x00007ffff7b35ac6 in gst_plugin_load_by_name () from
/usr/local/lib/libgstreamer-1.0.so.0
#5  0x00007ffff7b37706 in gst_plugin_feature_load () from
/usr/local/lib/libgstreamer-1.0.so.0
#6  0x00007ffff7b0a841 in gst_element_factory_create () from
/usr/local/lib/libgstreamer-1.0.so.0
#7  0x00007ffff7b0ace1 in gst_element_factory_make () from
/usr/local/lib/libgstreamer-1.0.so.0
#8  0x00007ffff7b85980 in ?? () from /usr/local/lib/libgstreamer-1.0.so.0
#9  0x00007ffff7b88179 in ?? () from /usr/local/lib/libgstreamer-1.0.so.0
#10 0x00007ffff7b7cc15 in gst_parse_launch_full () from
/usr/local/lib/libgstreamer-1.0.so.0
#11 0x00007ffff7b7cad5 in gst_parse_launchv_full () from
/usr/local/lib/libgstreamer-1.0.so.0
#12 0x00007ffff7b7c967 in gst_parse_launchv () from
/usr/local/lib/libgstreamer-1.0.so.0
#13 0x000000000040570b in ?? ()
#14 0x00007ffff6861af5 in __libc_start_main () from /usr/lib64/libc.so.6
#15 0x00000000004031b9 in ?? ()
 



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