[FFmpeg-trac] #6431(undetermined:new): Linux ffmpeg always segfaults using NVIDIA hw decoders/encoders
FFmpeg
trac at avcodec.org
Wed May 31 22:37:48 EEST 2017
#6431: Linux ffmpeg always segfaults using NVIDIA hw decoders/encoders
-------------------------------------+-------------------------------------
Reporter: bubbleguuum | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: nvidia | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 1
-------------------------------------+-------------------------------------
Comment (by oromit):
Your exact comandline works perfectly for me on both 3.3 and master.
Please create a backtrace with gdb, strace is not overly useful.
{{{
% ./ffmpeg -v debug -i
http://bubblesoftapps.com/bubbleupnpserver/transcode_test/tos_sample_h264.mkv
-map 0 -c:0 h264_nvenc -f null /dev/null
ffmpeg version n3.3.1-9-g1cbeb16187 Copyright (c) 2000-2017 the FFmpeg
developers
built with gcc 5.4.0 (Gentoo 5.4.0-r3 p1.3, pie-0.6.5)
configuration: --enable-nonfree --extra-cflags=-I/opt/cuda/include
--extra-ldflags=-L/opt/cuda/lib64 --enable-libnpp
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with
argument 'debug'.
Reading option '-i' ... matched as input url with argument
'http://bubblesoftapps.com/bubbleupnpserver/transcode_test/tos_sample_h264.mkv'.
Reading option '-map' ... matched as option 'map' (set input stream
mapping) with argument '0'.
Reading option '-c:0' ... matched as option 'c' (codec name) with argument
'h264_nvenc'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'null'.
Reading option '-' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url
http://bubblesoftapps.com/bubbleupnpserver/transcode_test/tos_sample_h264.mkv.
Successfully parsed a group of options.
Opening an input file:
http://bubblesoftapps.com/bubbleupnpserver/transcode_test/tos_sample_h264.mkv.
[http @ 0x34437c0] Setting default whitelist
'http,https,tls,rtp,tcp,udp,crypto,httpproxy'
[http @ 0x34437c0] request: GET
/bubbleupnpserver/transcode_test/tos_sample_h264.mkv HTTP/1.1
User-Agent: Lavf/57.71.100
Accept: */*
Range: bytes=0-
Connection: close
Host: bubblesoftapps.com
Icy-MetaData: 1
[matroska,webm @ 0x34430c0] Format matroska,webm probed with size=2048 and
score=100
st:0 removing common factor 1000000 from timebase
[matroska,webm @ 0x34430c0] Before avformat_find_stream_info() pos: 843
bytes read:2579 seeks:0 nb_streams:1
[h264 @ 0x3449120] nal_unit_type: 7, nal_ref_idc: 3
[h264 @ 0x3449120] nal_unit_type: 8, nal_ref_idc: 3
[h264 @ 0x3449120] nal_unit_type: 7, nal_ref_idc: 3
[h264 @ 0x3449120] nal_unit_type: 8, nal_ref_idc: 3
[h264 @ 0x3449120] user data:"x264 - core 148 r2762 90a61ec - H.264/MPEG-4
AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html -
options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7
psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1
8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12
lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24
scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=2000
ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00"
[h264 @ 0x3449120] nal_unit_type: 6, nal_ref_idc: 0
[h264 @ 0x3449120] nal_unit_type: 5, nal_ref_idc: 3
[h264 @ 0x3449120] user data:"x264 - core 148 r2762 90a61ec - H.264/MPEG-4
AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html -
options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7
psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1
8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12
lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24
scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=2000
ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00"
[h264 @ 0x3449120] Reinit context to 1920x800, pix_fmt: yuv420p
[h264 @ 0x3449120] no picture
[matroska,webm @ 0x34430c0] All info found
[matroska,webm @ 0x34430c0] After avformat_find_stream_info() pos: 89449
bytes read:92355 seeks:0 frames:4
Input #0, matroska,webm, from
'http://bubblesoftapps.com/bubbleupnpserver/transcode_test/tos_sample_h264.mkv':
Metadata:
COMPATIBLE_BRANDS: mp42isomavc1
MAJOR_BRAND : mp42
MINOR_VERSION : 0
ENCODER : Lavf57.72.101
Duration: 00:00:02.00, start: 0.000000, bitrate: 1359 kb/s
Stream #0:0, 4, 1/1000: Video: h264 (High), 1 reference frame,
yuv420p(progressive, left), 1920x800 [SAR 1:1 DAR 12:5], 0/1, 24 fps, 24
tbr, 1k tbn, 48 tbc (default)
Metadata:
ENCODER : Lavc57.93.100 libx264
DURATION : 00:00:02.000000000
Successfully opened the file.
Parsing a group of options: output url -.
Applying option map (set input stream mapping) with argument 0.
Applying option c:0 (codec name) with argument h264_nvenc.
Applying option f (force format) with argument null.
Successfully parsed a group of options.
Opening an output file: -.
Successfully opened the file.
detected 4 logical cores
[h264 @ 0x348df40] nal_unit_type: 7, nal_ref_idc: 3
[h264 @ 0x348df40] nal_unit_type: 8, nal_ref_idc: 3
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_nvenc))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
Last message repeated 1 times
[h264 @ 0x348df40] nal_unit_type: 6, nal_ref_idc: 0
[h264 @ 0x348df40] nal_unit_type: 5, nal_ref_idc: 3
[h264 @ 0x348df40] user data:"x264 - core 148 r2762 90a61ec - H.264/MPEG-4
AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html -
options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7
psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1
8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12
lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24
scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=2000
ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00"
[h264 @ 0x348df40] Reinit context to 1920x800, pix_fmt: yuv420p
[h264 @ 0x348df40] no picture
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x3462320] no picture
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 2
[graph 0 input from stream 0:0 @ 0x37aaf00] Setting 'video_size' to value
'1920x800'
[graph 0 input from stream 0:0 @ 0x37aaf00] Setting 'pix_fmt' to value '0'
[graph 0 input from stream 0:0 @ 0x37aaf00] Setting 'time_base' to value
'1/1000'
[graph 0 input from stream 0:0 @ 0x37aaf00] Setting 'pixel_aspect' to
value '1/1'
[graph 0 input from stream 0:0 @ 0x37aaf00] Setting 'sws_param' to value
'flags=2'
[graph 0 input from stream 0:0 @ 0x37aaf00] Setting 'frame_rate' to value
'24/1'
[graph 0 input from stream 0:0 @ 0x37aaf00] w:1920 h:800 pixfmt:yuv420p
tb:1/1000 fr:24/1 sar:1/1 sws_param:flags=2
[format @ 0x37aace0] compat: called with
args=[yuv420p|nv12|p010le|yuv444p|yuv444p16le|bgr0|rgb0|cuda]
[format @ 0x37aace0] Setting 'pix_fmts' to value
'yuv420p|nv12|p010le|yuv444p|yuv444p16le|bgr0|rgb0|cuda'
[AVFilterGraph @ 0x37a9fa0] query_formats: 4 queried, 3 merged, 0 already
done, 0 delayed
[h264_nvenc @ 0x348cce0] Loaded Nvenc version 8.0
[h264_nvenc @ 0x348cce0] Nvenc initialized successfully
[h264_nvenc @ 0x348cce0] 1 CUDA capable devices found
[h264_nvenc @ 0x348cce0] [ GPU #0 - < GeForce GTX 1050 > has Compute SM
6.1 ]
[h264_nvenc @ 0x348cce0] supports NVENC
Output #0, null, to 'pipe:':
Metadata:
COMPATIBLE_BRANDS: mp42isomavc1
MAJOR_BRAND : mp42
MINOR_VERSION : 0
encoder : Lavf57.71.100
Stream #0:0, 0, 1/24: Video: h264 (h264_nvenc) (Main), 1 reference
frame, yuv420p(left), 1920x800 [SAR 1:1 DAR 12:5], 0/1, q=-1--1, 2000
kb/s, 24 fps, 24 tbn, 24 tbc (default)
Metadata:
DURATION : 00:00:02.000000000
encoder : Lavc57.89.100 h264_nvenc
Side data:
cpb: bitrate max/min/avg: 0/0/2000000 buffer size: 4000000
vbv_delay: -1
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
Last message repeated 1 times
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
Last message repeated 1 times
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
Last message repeated 1 times
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
Last message repeated 1 times
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 2
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 0
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x34f73e0] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x3523bc0] nal_unit_type: 1, nal_ref_idc: 0
[h264 @ 0x348df40] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x3462320] nal_unit_type: 1, nal_ref_idc: 2
[h264 @ 0x3469ac0] nal_unit_type: 1, nal_ref_idc: 0
[out_0_0 @ 0x351c200] EOF on sink link out_0_0:default.
No more output streams to write to, finishing.
frame= 48 fps=0.0 q=20.0 Lsize=N/A time=00:00:02.00 bitrate=N/A
speed=4.07x
video:371kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
Input file #0
(http://bubblesoftapps.com/bubbleupnpserver/transcode_test/tos_sample_h264.mkv):
Input stream #0:0 (video): 48 packets read (338524 bytes); 48 frames
decoded;
Total: 48 packets (338524 bytes) demuxed
Output file #0 (pipe:):
Output stream #0:0 (video): 48 frames encoded; 48 packets muxed (379700
bytes);
Total: 48 packets (379700 bytes) muxed
48 frames successfully decoded, 0 decoding errors
[h264_nvenc @ 0x348cce0] Nvenc unloaded
[AVIOContext @ 0x34466a0] Statistics: 339762 bytes read, 0 seeks
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6431#comment:1>
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