Your message dated Sun, 10 Dec 2017 12:10:23 +0100
with message-id <20171210111023.ga13...@ramacher.at>
and subject line Re: Bug#825431: vlc: SIGFPE (divide by zero) while transcoding
in line 551 of modules/stream_out/transcode/video.c
(transcode_video_encoder_init)
has caused the Debian Bug report #825431,
regarding vlc: SIGFPE (divide by zero) while transcoding in line 551 of
modules/stream_out/transcode/video.c (transcode_video_encoder_init)
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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--
825431: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=825431
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: vlc
Version: 2.2.1-1~deb8u1
Severity: normal
Tags: patch
We run VLC as a daemon to transcode an MJPEG stream from a StarDot camera and
pipe it into another program. After upgrading from wheezy to jessie, VLC began
to crash with SIGFPE.
Although the root cause may be elsewhere in VLC, the patch at
https://patches.videolan.org/patch/10246/ resolves the problem.
This report in the OpenSUSE Bugzilla is probably the same problem:
https://bugzilla.opensuse.org/show_bug.cgi?id=978282
Details on my installation:
VLC is invoked as follows:
/usr/bin/vlc -I dummy --repeat --sout-keep --http-reconnect
http://ip-redacted/nph-mjpeg.cgi --sout
'#transcode{venc=x264{keyint=60,profile=baseline,level=3.0,nocabac},vcodec=x264,vb=500,scale=1,acodec=none,threads=6}:rtp{dst=127.0.0.1,port=10000,mux=ts}'
--syslog
Data from core dump:
$ gdb /usr/bin/vlc ~/core
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/bin/vlc...Reading symbols from
/usr/lib/debug/.build-id/59/71b866af7e3d3a228ce9bed06f5dbcd2f65181.debug...done.
done.
[New LWP 15816]
[New LWP 15814]
[New LWP 15809]
[New LWP 15824]
[New LWP 15806]
[New LWP 15812]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/vlc -I dummy --repeat --sout-keep
--http-reconnect http://172.18.51.40'.
Program terminated with signal SIGFPE, Arithmetic exception.
#0 0x00007fd3467855b0 in transcode_video_encoder_init (p_stream=0x7fd338008738,
id=0x7fd3340008c0) at transcode/video.c:551
551 id->i_input_frame_interval =
id->p_decoder->fmt_out.video.i_frame_rate_base * CLOCK_FREQ /
id->p_decoder->fmt_out.video.i_frame_rate;
(gdb) print id->p_decoder->fmt_out.video.i_frame_rate
$1 = 0
(gdb) print id->p_decoder->fmt_out.video.i_frame_rate_base
$2 = 0
(gdb) bt
#0 0x00007fd3467855b0 in transcode_video_encoder_init (p_stream=0x7fd338008738,
id=0x7fd3340008c0) at transcode/video.c:551
#1 0x00007fd346785ebf in transcode_video_process (p_stream=0x7fd338008738,
id=0x7fd3340008c0, in=0x7fd338c353d0, out=0x7fd346787db3,
out@entry=0x7fd3471d6e10) at transcode/video.c:884
#2 0x00007fd34678143b in Send (p_stream=0x7fd338008738, id=0x7fd3340008c0,
p_buffer=<optimized out>) at transcode/transcode.c:661
#3 0x00007fd35933d118 in sout_InputSendBuffer (p_input=0x7fd3340009a0,
p_buffer=p_buffer@entry=0x7fd338c353d0) at stream_output/stream_output.c:233
#4 0x00007fd3592ca994 in DecoderPlaySout (p_sout_block=0x7fd338c353d0,
p_dec=0x7fd338c20018) at input/decoder.c:1501
#5 DecoderProcessSout (p_block=0x0, p_dec=<optimized out>) at
input/decoder.c:1556
#6 DecoderProcess (p_block=<optimized out>, p_dec=<optimized out>)
at input/decoder.c:1787
#7 DecoderThread (p_data=0x7fd338c20018) at input/decoder.c:909
#8 0x00007fd359b440a4 in start_thread (arg=0x7fd3471d7700) at
pthread_create.c:309
#9 0x00007fd35967587d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)
-- System Information:
Debian Release: 8.4
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 3.16.0-4-amd64 (SMP w/3 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages vlc depends on:
ii fonts-freefont-ttf 20120503-4
ii libaa1 1.4p5-43
ii libavcodec56 6:11.6-1~deb8u1
ii libavutil54 6:11.6-1~deb8u1
ii libc6 2.19-18+deb8u4
ii libcaca0 0.99.beta19-2
ii libegl1-mesa [libegl1-x11] 10.3.2-1+deb8u1
ii libfreerdp-cache1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreerdp-client1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreerdp-codec1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreerdp-core1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreerdp-crypto1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreerdp-gdi1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreerdp-locale1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreerdp-rail1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreerdp-utils1.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libfreetype6 2.5.2-3+deb8u1
ii libfribidi0 0.19.6-3
ii libgcc1 1:4.9.2-10
ii libgl1-mesa-glx [libgl1] 10.3.2-1+deb8u1
ii libgles1-mesa [libgles1] 10.3.2-1+deb8u1
ii libgles2-mesa [libgles2] 10.3.2-1+deb8u1
ii libice6 2:1.0.9-1+b1
ii libpulse0 5.0-13
ii libqtcore4 4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u1
ii libqtgui4 4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u1
ii libsdl-image1.2 1.2.12-5+b5
ii libsdl1.2debian 1.2.15-10+b1
ii libsm6 2:1.2.2-1+b1
ii libstdc++6 4.9.2-10
ii libva-drm1 1.4.1-1
ii libva-x11-1 1.4.1-1
ii libva1 1.4.1-1
ii libvlccore8 2.2.1-1~deb8u1
ii libvncclient0 0.9.9+dfsg2-6.1+deb8u1
ii libwinpr-rpc0.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libwinpr-sspi0.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libwinpr-utils0.1 1.1.0~git20140921.1.440916e+dfsg1-4
ii libx11-6 2:1.6.2-3
ii libxcb-composite0 1.10-3+b1
ii libxcb-keysyms1 0.4.0-1
ii libxcb-randr0 1.10-3+b1
ii libxcb-render0 1.10-3+b1
ii libxcb-shape0 1.10-3+b1
ii libxcb-shm0 1.10-3+b1
ii libxcb-xfixes0 1.10-3+b1
ii libxcb-xv0 1.10-3+b1
ii libxcb1 1.10-3+b1
ii libxext6 2:1.3.3-1
ii libxinerama1 2:1.1.3-1+b1
ii libxpm4 1:3.5.11-1+b1
ii vlc-nox 2.2.1-1~deb8u1
ii zlib1g 1:1.2.8.dfsg-2+b1
Versions of packages vlc recommends:
pn vlc-plugin-notify <none>
ii vlc-plugin-samba 2.2.1-1~deb8u1
pn xdg-utils <none>
Versions of packages vlc suggests:
pn videolan-doc <none>
-- no debconf information
--- End Message ---
--- Begin Message ---
Version: 3.0.0~rc1-20171206-1
This seems to be fixed in the upcoming 3.0.0 release. Marking as fixed in the
currently packaged version.
Cheers
--
Sebastian Ramacher
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--- End Message ---
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