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Bug 770384 - When playing an audio rewind, GStreame has crash
When playing an audio rewind, GStreame has crash
Status: RESOLVED INCOMPLETE
Product: GStreamer
Classification: Platform
Component: gstreamer (core)
1.x
Other Linux
: Normal normal
: NONE
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2016-08-25 12:00 UTC by tony
Modified: 2016-11-11 12:52 UTC
See Also:
GNOME target: ---
GNOME version: ---

Attachments
pipeline dot (19.40 KB, application/msword)
2016-08-26 08:22 UTC, tony 		Details
valgrind log (756.31 KB, text/plain)
2016-08-26 08:23 UTC, tony 		Details

Description tony 2016-08-25 12:00:56 UTC 
On Freescal iMx6
I used gst-play-1.0,gplay-1.0 to play test.mp2

change playrate to -1,-2. gstreamer dump.

here is gdb log:

+ Trace 236579

  • #0 raise
    from /lib/libpthread.so.0
  • #1 _g_log_abort
    at gmessages.c line 308
  • #2 g_logv
    at gmessages.c line 1033
  • #3 g_log
    at gmessages.c line 1071
  • #4 g_malloc
    at gmem.c line 102
  • #5 g_slice_alloc
    at gslice.c line 1007
  • #6 _sysmem_new_block
  • #7 default_alloc
    at gstallocator.c line 537
  • #8 gst_allocator_alloc
    at gstallocator.c line 319
  • #9 gst_buffer_new_allocate
    at gstbuffer.c line 755
  • #10 gst_base_src_default_alloc
    at gstbasesrc.c line 1435
  • #11 gst_base_src_default_create
    at gstbasesrc.c line 1473
  • #12 gst_base_src_get_range
    at gstbasesrc.c line 2455
  • #13 gst_base_src_getrange
    at gstbasesrc.c line 2623
  • #14 gst_pad_get_range_unchecked
    at gstpad.c line 4536
  • #15 gst_pad_pull_range
    at gstpad.c line 4775
  • #16 gst_proxy_pad_getrange_default
    at gstghostpad.c line 184
  • #17 gst_pad_get_range_unchecked
    at gstpad.c line 4536
  • #18 gst_pad_pull_range
    at gstpad.c line 4775
  • #19 gst_pad_get_range_unchecked
    at gstpad.c line 4536
  • #20 gst_pad_pull_range
    at gstpad.c line 4775
  • #21 gst_base_parse_pull_range
    at gstbaseparse.c line 3139
  • #22 gst_base_parse_scan_frame
    at gstbaseparse.c line 3275
  • #23 gst_base_parse_loop
    at gstbaseparse.c line 3389
  • #24 gst_task_func
    at gsttask.c line 331
  • #25 default_func
    at gsttaskpool.c line 68
  • #26 g_thread_pool_thread_proxy
    at gthreadpool.c line 307
  • #27 g_thread_proxy
    at gthread.c line 764
  • #28 ??
    from /lib/libpthread.so.0
  • #29 ??
    from /lib/libpthread.so.0 






Comment 1


André Klapper





          2016-08-25 17:38:49 UTC
        



Which exact gstreamer version is this about?






Comment 2


tony





          2016-08-26 01:30:34 UTC
        



I tried 1.9.1 and 1.6.1, all have this problem.






Comment 3


Sebastian Dröge (slomo)





          2016-08-26 07:10:34 UTC
        



Can you get a log with valgrind (don't forget G_SLICE=always-malloc and use --track-origins=yes)? This would be some kind of memory corruption.

Are you using (in that pipeline) any custom plugins, like the ones from Freescale?






Comment 4


tony





          2016-08-26 08:22:22 UTC
        



Created attachment 334207 [details]
pipeline dot






Comment 5


tony





          2016-08-26 08:23:17 UTC
        



Created attachment 334208 [details]
valgrind log






Comment 6


tony





          2016-08-26 08:25:52 UTC
        



The use of Element is from base, good, and only mad is from ugly

I has upload dot and log.






Comment 7


Sebastian Dröge (slomo)





          2016-08-26 08:41:22 UTC
        



This looks like the culprit is pulseaudio in this run, it's producing a SIGILL here.
Also worrying is all the "Use of uninitialised value of size 4", those don't make much sense if you look at the code.

Are you sure valgrind works correctly on your platform?






Comment 8


tony





          2016-08-26 09:16:01 UTC
        



My test file is greater than 3600kb, upload failed.
Can you give me a mail address, I send the test file to the past?
I'm not sure if valgrind is available. I'll try it later.

Thank you






Comment 9


tony





          2016-08-26 09:19:16 UTC
        



My mail address is :426829@qq.com

You can send a message to me, I will reply to the test file






Comment 10


Tim-Philipp Müller





          2016-08-26 09:29:38 UTC
        



It aborts because it fails to allocate 65623 bytes:






+
Trace
    236591






    

  • 
#0
raise

    
                from
                /lib/libpthread.so.0

    

    • 

  • 
#1
_g_log_abort

    
                at gmessages.c
                  line
                  308

    

    • 

  • 
#2
g_logv

    
                at gmessages.c
                  line
                  1033

    

    • 

  • 
#3
g_log

    
                at gmessages.c
                  line
                  1071

    

    • 

  • 
#4
g_malloc

    
                at gmem.c
                  line
                  102

    

    • 

  • 
#5
g_slice_alloc

    
                at gslice.c
                  line
                  1007

    

    • 








This is not a huge or unusual amount of memory, so you have to figure out why that can't be allocated on your system.






Comment 11


tony





          2016-08-29 02:28:43 UTC
        



Yes
I again in A7 CSR platform to try again, also have this problem.
Memory cannot be allocated, what may be the reason?






Comment 12


Tim-Philipp Müller





          2016-11-11 12:52:06 UTC
        



I don't know, but it does not look like a GStreamer problem to me (unless there's a big leak and that's why it fails to alloc memory after some time, but we have no indication of that yet here).

Perhaps it's related to your libc? You'll have to investigate why it can't alloc such a small amount of memory.