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Today's Topics:
1. Re: segfault details (tosiara)
----------------------------------------------------------------------
Message: 1
Date: Sat, 2 May 2015 08:24:44 +0300
From: tosiara <[email protected]>
Subject: Re: [Motion-user] segfault details
To: Jim Dodgen <[email protected]>
Cc: Motion discussion list <[email protected]>
Message-ID:
<cachtdwsptby6csl0wcuhyvdpz+gmudssxutb7kr+5v9bpfv...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
I recommend forking Mr-Dave's repo and make your changes there. Then issue
pull request so everyone can review your changes
On Sat, May 2, 2015 at 8:05 AM, Jim Dodgen <[email protected]> wrote:
> Ok same LIBS changes -lswresample -lva and track.c #include
> <linux/videodev2.h>
>
> No crash ! I'll let it run all night (I'm in California USA)
>
> I have been making some improvements to the sqlite3 logging, where should
> I be doing this?
>
>
>
>
>
>
>
> *Jim Dodgen*
>
>
>
>
>
>
>
> On Fri, May 1, 2015 at 9:21 PM, tosiara <[email protected]> wrote:
>
>> Can you try to compile this version and see if it segfaults too?
>>
>> https://github.com/Mr-Dave/motion
>>
>> On Fri, May 1, 2015 at 11:26 PM, Jim Dodgen <[email protected]> wrote:
>>
>>> Whoops, I left out the config files
>>>
>>> ---- motion.conf ----
>>>
>>> daemon off
>>>
>>> setup_mode off
>>> frequency 0
>>>
>>> rotate 0
>>>
>>> width 640
>>>
>>> height 480
>>>
>>> framerate 2
>>>
>>> minimum_frame_time 0
>>>
>>> auto_brightness off
>>>
>>> brightness 0
>>>
>>> contrast 0
>>>
>>> saturation 0
>>>
>>> hue 0
>>>
>>> roundrobin_frames 1
>>>
>>> roundrobin_skip 1
>>>
>>> switchfilter off
>>>
>>>
>>> threshold 1500
>>>
>>> threshold_tune off
>>>
>>> noise_level 32
>>>
>>> noise_tune on
>>>
>>> despeckle_filter EedDl
>>>
>>> smart_mask_speed 0
>>>
>>> lightswitch 100
>>>
>>> minimum_motion_frames 2
>>>
>>>
>>> pre_capture 0
>>> post_capture 0
>>>
>>> event_gap 60
>>>
>>> max_movie_time 60
>>>
>>> emulate_motion off
>>>
>>> output_pictures on
>>> output_debug_pictures off
>>> quality 75
>>> picture_type jpeg
>>>
>>>
>>>
>>> ffmpeg_output_movies on
>>> ffmpeg_output_debug_movies off
>>> ffmpeg_timelapse 0
>>> ffmpeg_timelapse_mode hourly
>>> ffmpeg_bps 500000
>>> ffmpeg_variable_bitrate 0
>>>
>>> ffmpeg_video_codec mpeg4
>>>
>>> ffmpeg_deinterlace off
>>>
>>>
>>> snapshot_interval 10
>>>
>>>
>>> locate_motion_mode off
>>> locate_motion_style box
>>>
>>>
>>> text_right %Y-%m-%d\n%T-%q
>>> text_changes off
>>>
>>> text_event %Y%m%d%H%M%S
>>> text_double off
>>>
>>> target_dir /tmp/motion
>>>
>>> snapshot_filename lastsnap
>>>
>>>
>>> picture_filename %v-%Y%m%d%H%M%S-%q
>>>
>>> movie_filename %v-%Y%m%d%H%M%S
>>>
>>> timelapse_filename %Y%m%d-timelapse
>>>
>>> ipv6_enabled off
>>>
>>> webcontrol_port 0
>>> track_type 0
>>> track_auto off
>>> track_motorx 0
>>> track_motory 0
>>> track_maxx 0
>>> track_maxy 0
>>> track_iomojo_id 0
>>> track_step_angle_x 10
>>> track_step_angle_y 10
>>> track_move_wait 10
>>> track_speed 255
>>> track_stepsize 40
>>>
>>>
>>> quiet on
>>>
>>> sql_log_picture on
>>> sql_log_snapshot off
>>>
>>> database_type sqlite3
>>> sqlite3_db /home/jim/run_motion/test.db
>>>
>>> sql_query insert or ignore into images (camera_name, file_name, event,
>>> changed_pixels, date) values ('%C', '%f', '%v', '%D', '%y-%m-%d %H:%M')
>>>
>>> #thread /home/jim/run_motion/T1.conf
>>> #thread /home/jim/run_motion/T2.conf
>>> #thread /home/jim/run_motion/T3.conf
>>> thread /home/jim/run_motion/T4.conf
>>> #thread /home/jim/run_motion/T5.conf
>>> #thread /home/jim/run_motion/T6.conf
>>>
>>>
>>> ----- T4.conf ----
>>>
>>> videodevice /dev/video0
>>>
>>> v4l2_palette 17
>>>
>>> input 0
>>> norm 1
>>>
>>> lightswitch 30
>>> text_event blue
>>> text_left blue
>>> target_dir /tmp/blue
>>>
>>> webcam_port 0
>>>
>>>
>>> *Jim Dodgen*
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Fri, May 1, 2015 at 1:11 PM, Jim Dodgen <[email protected]> wrote:
>>>
>>>> Compiling and running from motion revision 564 using ffmpeg 2.6.2 built
>>>> from source (from https://www.ffmpeg.org/download.html#releases).
>>>>
>>>>
>>>> *Here is my analysis so far:*
>>>>
>>>> the only changes are the recommended addition of videodev2.h to track.c
>>>> and the additions to the Makefile LIBS of *-lswresample -lva*
>>>>
>>>> *The segfault happens when ever movement is detected.*
>>>>
>>>> gdb takes me to an issue where ffmpeg 2.6.2 ->* libavformat/utils.c*
>>>> -> subroutine *avformat_new_stream* -> line 3718 is the issue:
>>>>
>>>> *st->inject_global_side_data = s->internal->inject_global_side_data;*
>>>>
>>>> from gdb I see "s->internal" is null and thus is causing the segfault.
>>>>
>>>> *"s->internal" *is a* AVFormatInternal*
>>>>
>>>> *Here is the gdb stuff*
>>>>
>>>> [1] [NTC] [EVT] event_newfile: File of type 2 saved to:
>>>> /tmp/blue/lastsnap.jpg
>>>> [1] [NTC] [EVT] event_new_video FPS 2
>>>>
>>>> Program received signal SIGSEGV, Segmentation fault.
>>>> [Switching to Thread 0xb734cb40 (LWP 1698)]
>>>> 0x081f876f in avformat_new_stream (s=0xb6a118a0, c=c@entry=0x0) at
>>>> libavformat/utils.c:3718
>>>> 3718 st->inject_global_side_data =
>>>> s->internal->inject_global_side_data;
>>>> (gdb) backtrace
>>>> #0 0x081f876f in avformat_new_stream (s=0xb6a118a0, c=c@entry=0x0) at
>>>> libavformat/utils.c:3718
>>>> #1 0x080c0e1e in ffmpeg_open (ffmpeg_video_codec=<optimized out>,
>>>> filename=filename@entry=0x924ba18
>>>> "/tmp/blue/01-20150501130502.avi",
>>>> y=y@entry=0xb67cb008
>>>> "\020\020\020\021\020<w\230\223\212\212\217\217\212\211\213\214\214\214\211\210\211\211\212\211\211\213\213\215\216\214\211\211\211\213\213\213\212\213\213\214\216\214\213\211\211\211\212\212\211\213\212\212\212\210\207\207\212\214\215\214\212\211\211\213\214\214\212\213\214\212\213\210\211\212\211\212\211\210\210\212\212\212\207\204\205\205\207\210\212\214\212\212\211\211\210\206\210\212\213\212\210\207\210\210\207\207\206\206\205\205\206\206\206\206\210\207\207\210\210\212\213\211\207\206\210\210\212\210\207\211\210\207\206\204\205\205\204\205\205\205\206\206\205\205\205\206\207\205\205\207\205\206\205\205\205\205\206\207\211\207\207\204\204\211\212\211\210\207\211\212\211\211\211\210\204\204\203\205\206\207\214\214\212\211\212\212\214\212\210\207\205\211\211\211\213\211\211\206\207"...,
>>>>
>>>> u=0xb6816008
>>>> "\202\177ztrty||~||zyzxz||||||||z|||~~\200\200\200~|||||}~~~~~\200\200\200\200~~~~\200~\200\200\177\200~~~}|}~~~~||zyxyz||~\177\200\200\177~}~~\200\202\203\204\202\201\200~~||z{|~}~|||||}~~~~~~~}~~~~~~|||{zzz||||||zzzz|||{||{|{|zzz{|~~\200~~|||zzxwvvvvvxy|~}~}~|||zz|{|{|zyxvvxxx"...,
>>>>
>>>> v=v@entry=0xb6828c08
>>>> "}zxx}\200\202\203\202\203\203\201\200\177\200\200\200\201\201\203\203\203\203\202\203\202\203\203\203\203\203\203\203\204\204\206\205\206\204\204\203\202\201\201\201\203\202\203\201\201\201\201\201\201\201\200\200\200\201\201\201\201\201\201\201\201\201\201\200\200\201\200\200\200\200\200\200\201\201\201\203\203\203\201\201\201\201\201\202\203\203\203\203\203\203\203\203\203\204\204\206\206\206\205\206\204\204\204\204\204\203\202\203\202\203\203\202\203\202\203\203\202\203\201\201\201\201\201\200\200\200\200\201\203\203\203\203\203\203\203\203\204\206\205\206\204\204\204\204\204\204\204\206\205\206\207\207\206\206\206\206\206\207\207\207\206\206\206\205\206\204\203\204\204\204\206\206\206\205\206\204\204\204\204\204\206\205\206\206\206\206\205\206\204\204\204\204\204\204\204"...,
>>>> width=640, height=480, rate=2, bps=500000, vbr=0) at ffmpeg.c:504
>>>> #2 0x080b67c7 in event_ffmpeg_newfile (cnt=0x9247240, type=3,
>>>> img=0xb67cb008
>>>> "\020\020\020\021\020<w\230\223\212\212\217\217\212\211\213\214\214\214\211\210\211\211\212\211\211\213\213\215\216\214\211\211\211\213\213\213\212\213\213\214\216\214\213\211\211\211\212\212\211\213\212\212\212\210\207\207\212\214\215\214\212\211\211\213\214\214\212\213\214\212\213\210\211\212\211\212\211\210\210\212\212\212\207\204\205\205\207\210\212\214\212\212\211\211\210\206\210\212\213\212\210\207\210\210\207\207\206\206\205\205\206\206\206\206\210\207\207\210\210\212\213\211\207\206\210\210\212\210\207\211\210\207\206\204\205\205\204\205\205\205\206\206\205\205\205\206\207\205\205\207\205\206\205\205\205\205\206\207\211\207\207\204\204\211\212\211\210\207\211\212\211\211\211\210\204\204\203\205\206\207\214\214\212\211\212\212\214\212\210\207\205\211\211\211\213\211\211\206\207"...,
>>>> dummy1=0x0, dummy2=0x0, currenttime_tm=0xb6a117d4) at event.c:586
>>>> #3 0x080b76f6 in event (cnt=cnt@entry=0x9247240, type=type@entry=3,
>>>> image=0xb67cb008
>>>> "\020\020\020\021\020<w\230\223\212\212\217\217\212\211\213\214\214\214\211\210\211\211\212\211\211\213\213\215\216\214\211\211\211\213\213\213\212\213\213\214\216\214\213\211\211\211\212\212\211\213\212\212\212\210\207\207\212\214\215\214\212\211\211\213\214\214\212\213\214\212\213\210\211\212\211\212\211\210\210\212\212\212\207\204\205\205\207\210\212\214\212\212\211\211\210\206\210\212\213\212\210\207\210\210\207\207\206\206\205\205\206\206\206\206\210\207\207\210\210\212\213\211\207\206\210\210\212\210\207\211\210\207\206\204\205\205\204\205\205\205\206\206\205\205\205\206\207\205\205\207\205\206\205\205\205\205\206\207\211\207\207\204\204\211\212\211\210\207\211\212\211\211\211\210\204\204\203\205\206\207\214\214\212\211\212\212\214\212\210\207\205\211\211\211\213\211\211\206\207"...,
>>>> filename=filename@entry=0x0, eventdata=eventdata@entry=0x0,
>>>> tm=tm@entry=0xb6a117d4)
>>>> at event.c:930
>>>> #4 0x0809ef83 in motion_detected (cnt=cnt@entry=0x9247240, dev=3,
>>>> img=img@entry=0xb6a117c8) at motion.c:465
>>>> #5 0x080a087a in motion_loop (arg=0x9247240) at motion.c:1828
>>>> #6 0xb7facf70 in start_thread (arg=0xb734cb40) at pthread_create.c:312
>>>> #7 0xb7cbabee in clone () at
>>>> ../sysdeps/unix/sysv/linux/i386/clone.S:129
>>>> (gdb)
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> *Jim Dodgen*
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>
>
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