Bug#758582: vlc: Vlc segfaults at the end of video reproduction when video acceleration VAAPI is selected

Sun Aug 31 08:54:20 UTC 2014

Hi Rémi, thanks for answering.
Hoping this satisfies your request.

Cheers
Marco

$ gdb vlc
GNU gdb (Debian 7.7.1+dfsg-3) 7.7.1
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Reading symbols from vlc...Reading symbols from 
/usr/lib/debug/.build-id/bd/a54aae88601b31adc48cde0699479455646edc.debug...done.
done.
(gdb) run
Starting program: /usr/bin/vlc
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
VLC media player 2.1.5 Rincewind (revision 2.1.4-49-gdab6cb5)
[New Thread 0x7fffed24a700 (LWP 16114)]
[New Thread 0x7ffff2dda700 (LWP 16115)]
[New Thread 0x7fffec229700 (LWP 16116)]
[0x605118] main libvlc: Esecuzione di vlc con l'interfaccia predefinita. 
Usa 'cvlc' per utilizzare vlc senza interfaccia.
[New Thread 0x7fffec128700 (LWP 16117)]
[New Thread 0x7fffd630c700 (LWP 16118)]
[New Thread 0x7fffcf0e9700 (LWP 16126)]
[New Thread 0x7fffcefe8700 (LWP 16127)]
[New Thread 0x7fffcc201700 (LWP 16128)]
[Thread 0x7fffcf0e9700 (LWP 16126) exited]
[New Thread 0x7fffb7952700 (LWP 16129)]
[New Thread 0x7fffb7151700 (LWP 16130)]
[New Thread 0x7fffb6950700 (LWP 16131)]
[New Thread 0x7fffb614f700 (LWP 16132)]
[New Thread 0x7fffcf0e9700 (LWP 16133)]
[New Thread 0x7fffcc100700 (LWP 16134)]
[Thread 0x7fffcc201700 (LWP 16128) exited]
Failed to open VDPAU backend libvdpau_nvidia.so: impossibile aprire il 
file oggetto condiviso: File o directory non esistente
[0x7fffac000ab8] vdpau generic error: device creation failure: error 1
libva info: VA-API version 0.35.1
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_35
libva info: va_openDriver() returns 0
[0x7fffbcc308c8] avcodec decoder: Using VA API version 0.35 for hardware 
decoding.
Fontconfig warning: FcPattern object size does not accept value "0"
Fontconfig warning: FcPattern object size does not accept value "0"
[New Thread 0x7fffcc201700 (LWP 16135)]
Fontconfig warning: FcPattern object size does not accept value "0"
Fontconfig warning: FcPattern object size does not accept value "0"
[0x7fff9c001248] main vout display error: Failed to resize display
[Thread 0x7fffcf0e9700 (LWP 16133) exited]
[Thread 0x7fffb7952700 (LWP 16129) exited]
[Thread 0x7fffb7151700 (LWP 16130) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffcefe8700 (LWP 16127)]
Release (p_external=<optimized out>, p_ff=<optimized out>) at 
avcodec/vaapi.c:519
519     avcodec/vaapi.c: File o directory non esistente.
(gdb) bt
#0  Release (p_external=<optimized out>, p_ff=<optimized out>) at 
avcodec/vaapi.c:519
#1  0x00007fffc671eadb in vlc_va_Release (frame=0x7fffc0153348, 
va=<optimized out>)
     at avcodec/va.h:56
#2  ffmpeg_ReleaseFrameBuf (p_context=<optimized out>, 
p_ff_pic=0x7fffc0153348)
     at avcodec/video.c:1079
#3  0x00007fffc5bef7dd in compat_free_buffer (opaque=<optimized out>, 
data=<optimized out>)
     at /build/libav-EKDVFO/libav-10.4/libavcodec/utils.c:563
#4  0x00007fffc56156de in av_buffer_unref (buf=buf at entry=0x7fffcefe79b0)
     at /build/libav-EKDVFO/libav-10.4/libavutil/buffer.c:115
#5  0x00007fffc5bef820 in compat_release_buffer (opaque=<optimized out>,
     data=<optimized out>) at 
/build/libav-EKDVFO/libav-10.4/libavcodec/utils.c:570
#6  0x00007fffc56156de in av_buffer_unref (buf=buf at entry=0x7fffb00ff250)
     at /build/libav-EKDVFO/libav-10.4/libavutil/buffer.c:115
#7  0x00007fffc561ac64 in av_frame_unref (frame=0x7fffb00ff080)
     at /build/libav-EKDVFO/libav-10.4/libavutil/frame.c:285
#8  0x00007fffc5b802a5 in release_delayed_buffers (p=0x7fffbcca4248)
     at /build/libav-EKDVFO/libav-10.4/libavcodec/pthread_frame.c:285
#9  ff_frame_thread_free (avctx=avctx at entry=0x7fffbcc43d40, thread_count=4)
     at /build/libav-EKDVFO/libav-10.4/libavcodec/pthread_frame.c:532
#10 0x00007fffc5b7f37b in ff_thread_free (avctx=avctx at entry=0x7fffbcc43d40)
     at /build/libav-EKDVFO/libav-10.4/libavcodec/pthread.c:85
#11 0x00007fffc5896cd0 in avcodec_close (avctx=0x7fffbcc43d40)
     at /build/libav-EKDVFO/libav-10.4/libavcodec/utils.c:1609
#12 0x00007fffc6722305 in CloseDecoder (p_this=0x7fffbcc308c8) at 
avcodec/avcodec.c:371
#13 0x00007ffff718c642 in vlc_module_unload (module=<optimized out>,
     deinit=deinit at entry=0x7ffff718bb50 <generic_stop>) at 
modules/modules.c:340
#14 0x00007ffff718c6be in module_unneed (obj=obj at entry=0x7fffbcc308c8,
     module=<optimized out>) at modules/modules.c:373
#15 0x00007ffff714b252 in input_DecoderDelete (p_dec=0x7fffbcc308c8) at 
input/decoder.c:362
#16 0x00007ffff714d43c in EsDestroyDecoder (p_es=<optimized out>, 
p_es=<optimized out>,
     out=<optimized out>) at input/es_out.c:1580
#17 0x00007ffff714f70c in EsUnselect (out=0x7fffb80059d0, 
es=0x7fffbcc1df90,
     b_update=<optimized out>) at input/es_out.c:1691
#18 0x00007ffff7151d6e in EsOutControlLocked (args=<optimized out>,
     i_query=<optimized out>, out=<optimized out>) at input/es_out.c:2176
#19 EsOutControl (out=0x7fffb80059d0, i_query=0, args=0x7fffcefe7cd8)
     at input/es_out.c:2698
#20 0x00007ffff7153b7c in es_out_vaControl (args=0x7fffcefe7cd8, 
i_query=<optimized out>,
     out=<optimized out>) at ../include/vlc_es_out.h:126
#21 es_out_Control (out=<optimized out>, i_query=<optimized out>)
     at ../include/vlc_es_out.h:135
#22 0x00007ffff71556ee in ControlLocked (args=<optimized out>, 
i_query=<optimized out>,
     p_out=<optimized out>) at input/es_out_timeshift.c:620
#23 Control (p_out=0x0, i_query=65536, args=0x7fffcefe7e38) at 
input/es_out_timeshift.c:718
#24 0x00007ffff7156eac in es_out_vaControl (args=0x7fffcefe7e38, 
i_query=65536,
     out=<optimized out>) at ../include/vlc_es_out.h:126
#25 es_out_Control (out=<optimized out>, i_query=i_query at entry=65536)
     at ../include/vlc_es_out.h:135
---Type <return> to continue, or q <return> to quit---
#26 0x00007ffff7157a45 in es_out_SetMode (i_mode=0, p_out=<optimized out>)
     at input/es_out.h:89
#27 End (p_input=p_input at entry=0x7fffb80009b8) at input/input.c:1369
#28 0x00007ffff715d35d in Run (obj=0x7fffb80009b8) at input/input.c:527
#29 0x00007ffff79ac0a4 in start_thread (arg=0x7fffcefe8700) at 
pthread_create.c:309
#30 0x00007ffff74dcfbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)