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Bug 773828 - qtmux: Crash on EOS with GST_DEBUG enabled
qtmux: Crash on EOS with GST_DEBUG enabled
Status: RESOLVED FIXED
Product: GStreamer
Classification: Platform
Component: gst-plugins-good
git master
Other Linux
: Normal normal
: 1.11.1
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2016-11-02 12:26 UTC by Vivia Nikolaidou
Modified: 2016-11-02 12:36 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Vivia Nikolaidou 2016-11-02 12:26:05 UTC 
GST_DEBUG=splitmuxsink:6 GST_DEBUG_NO_COLOR=1 gst-launch-1.0 videotestsrc  ! x264enc ! splitmuxsink location=file%03d.mov max-size-time=60000000000



0:00:28.731786945 31104 0x556fa4c2df20 LOG             splitmuxsink gstsplitmuxsink.c:959:handle_gathered_gop:<splitmuxsink0> mq at TS +0:01:10.000000000 bytes 13390123
0:00:28.731793916 31104 0x556fa4c2df20 INFO            splitmuxsink gstsplitmuxsink.c:973:handle_gathered_gop:<splitmuxsink0> mq overflowed since last, draining out. max out TS is +0:01:00.000000000
0:00:28.731801405 31104 0x556fa4c2df20 LOG             splitmuxsink gstsplitmuxsink.c:1304:handle_mq_input:<multiqueue:sink_0> Sending splitmuxsink-unblock event
0:00:28.731817355 31104 0x556fa4c2df20 LOG             splitmuxsink gstsplitmuxsink.c:1132:handle_mq_input:<multiqueue:sink_0> Fired probe type 0x1040
0:00:28.731820151 31104 0x556fa4c2ded0 INFO            splitmuxsink gstsplitmuxsink.c:632:complete_or_wait_on_out:<multiqueue:src_0> Woken for new max running time +0:01:00.000000000
0:00:28.731837377 31104 0x556fa4c2ded0 LOG             splitmuxsink gstsplitmuxsink.c:599:complete_or_wait_on_out:<multiqueue:src_0> Checking running time +0:01:00.000000000 against max +0:01:00.000000000
0:00:28.731851197 31104 0x556fa4c2ded0 INFO            splitmuxsink gstsplitmuxsink.c:579:send_eos:<splitmuxsink0> Sending EOS on <muxer:video_0>
0:00:28.731863626 31104 0x556fa4c2df20 DEBUG           splitmuxsink gstsplitmuxsink.c:1320:handle_mq_input:<multiqueue:sink_0> Sleeping for fragment restart
Caught SIGSEGV

+ Trace 236808

  • #0 poll
    at ../sysdeps/unix/syscall-template.S line 84
  • #1 g_main_context_iterate
  • #2 g_main_context_iterate
  • #3 g_main_loop_run
  • #4 gst_bus_poll
    at gstbus.c line 1181
  • #5 event_loop
    at gst-launch.c line 533
  • #6 main 






Comment 1


Vivia Nikolaidou





          2016-11-02 12:30:25 UTC
        






+
Trace
    236809






Thread 2
          (Thread 0x7fe5e2cb5700 (LWP 31278))


    

  • 
#0
nanosleep

    
                at ../sysdeps/unix/syscall-template.S
                  line
                  84

    

    • 

  • 
#1
g_usleep

    
                at ././glib/gtimer.c
                  line
                  259

    

    • 

  • 
#2
fault_handler_sighandler

    
                at gst-launch.c
                  line
                  113

    

    • 

  • 
#3
fault_handler_sighandler

    
                at gst-launch.c
                  line
                  94

    

    • 

  • 
#4
<signal handler called>

    • 

  • 
#5
gst_qt_mux_collected

    
                at gstqtmux.c
                  line
                  3594

    

    • 

  • 
#6
gst_qt_mux_collected

    
                at gstqtmux.c
                  line
                  3618

    

    • 

  • 
#7
gst_collect_pads_check_collected

    
                at gstcollectpads.c
                  line
                  1351

    

    • 

  • 
#8
gst_collect_pads_event_default

    
                at gstcollectpads.c
                  line
                  1792

    

    • 

  • 
#9
gst_qt_mux_sink_event

    
                at gstqtmux.c
                  line
                  4678

    

    • 

  • 
#10
gst_collect_pads_event

    
                at gstcollectpads.c
                  line
                  2014

    

    • 

  • 
#11
gst_pad_send_event_unchecked

    
                at gstpad.c
                  line
                  5609

    

    • 

  • 
#12
gst_pad_send_event

    
                at gstpad.c
                  line
                  5779

    

    • 

  • 
#13
complete_or_wait_on_out

    
                at gstsplitmuxsink.c
                  line
                  581

    

    • 

  • 
#14
complete_or_wait_on_out

    
                at gstsplitmuxsink.c
                  line
                  612

    

    • 

  • 
#15
handle_mq_output

    
                at gstsplitmuxsink.c
                  line
                  780

    

    • 

  • 
#16
probe_hook_marshal

    
                at gstpad.c
                  line
                  3470

    

    • 

  • 
#17
g_hook_list_marshal

    
                at ././glib/ghook.c
                  line
                  672

    

    • 

  • 
#18
do_probe_callbacks

    
                at gstpad.c
                  line
                  3622

    

    • 

  • 
#19
gst_pad_push_data

    
                at gstpad.c
                  line
                  4448

    

    • 

  • 
#20
gst_pad_push

    
                at gstpad.c
                  line
                  4577

    

    • 

  • 
#21
gst_multi_queue_loop

    
                at gstmultiqueue.c
                  line
                  1611

    

    • 

  • 
#22
gst_multi_queue_loop

    
                at gstmultiqueue.c
                  line
                  1915

    

    • 

  • 
#23
gst_task_func

    
                at gsttask.c
                  line
                  334

    

    • 

  • 
#24
g_thread_pool_thread_proxy

    
                at ././glib/gthreadpool.c
                  line
                  307

    

    • 

  • 
#25
g_thread_proxy

    
                at ././glib/gthread.c
                  line
                  784

    

    • 

  • 
#26
start_thread

    
                at pthread_create.c
                  line
                  333

    

    • 

  • 
#27
clone

    
                at ../sysdeps/unix/sysv/linux/x86_64/clone.S
                  line
                  105

    

    • 













Comment 2


Sebastian Dröge (slomo)





          2016-11-02 12:34:51 UTC
        



commit 09c4cc55f2beecc91e83de35a767e4a020c37c26
Author: Sebastian Dröge <sebastian@centricular.com>
Date:   Wed Nov 2 14:33:28 2016 +0200

    qtmux: Don't deref NULL pads in debug output
    
    That tends to crash.