Hi

On 2018-02-18 10:25:35, Marco Bodrato wrote:
> Ciao,
> 
> Il Lun, 12 Febbraio 2018 10:01 am, Sebastian Ramacher ha scritto:
> > On 2018-02-12 01:01:18, Marco Bodrato wrote:
> >>    * What was the outcome of this action?
> >>
> >> Segmentation fault
> >
> > As mentioned in another message to this bug, we are still waiting for a
> > backtrace. Please install all related -dbgsym package and provide a
> > backtrace.
> 
> Sorry, but I'm not able to find -dbgsym packages related to vlc.

See https://wiki.debian.org/HowToGetABacktrace for details. you'll need to add
debian-debug mirrors to your sources.list.

Cheers

> 
> The last vlc-dbg package I find is version 2.2.7-1~deb8u1
> https://packages.debian.org/it/jessie/vlc-dbg
> 
> Where can we find more current packages? I'm using vlc-3.0.0 .
> 
> In the meanwhile, I can obtain a not very informative backtrace:
> 
> $ gdb vlc
> GNU gdb (Debian 7.12-6+b1) 7.12.0.20161007-git
> Copyright (C) 2016 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 vlc...(no debugging symbols found)...done.
> (gdb) run test.mkv
> Starting program: /usr/bin/vlc test.mkv
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> VLC media player 3.0.0 Vetinari (revision 3.0.0-30-gef4c265336)
> [New Thread 0x7fffe9c7b700 (LWP 2774)]
> [New Thread 0x7fffef640700 (LWP 2775)]
> [New Thread 0x7fffe5268700 (LWP 2776)]
> [New Thread 0x7fffe5167700 (LWP 2777)]
> [New Thread 0x7fffe5066700 (LWP 2778)]
> [0000555555759a30] main libvlc: Esecuzione di vlc con l'interfaccia
> predefinita. Usa 'cvlc' per utilizzare vlc senza interfaccia.
> [New Thread 0x7fffe41d5700 (LWP 2779)]
> [New Thread 0x7fffbeb83700 (LWP 2780)]
> [Thread 0x7fffe5066700 (LWP 2778) exited]
> [New Thread 0x7fffe5066700 (LWP 2781)]
> [New Thread 0x7fffb3389700 (LWP 2782)]
> [Thread 0x7fffb3389700 (LWP 2782) exited]
> [New Thread 0x7fffb2804700 (LWP 2783)]
> [New Thread 0x7fffb2003700 (LWP 2784)]
> [New Thread 0x7fffab300700 (LWP 2785)]
> [New Thread 0x7fffb3389700 (LWP 2786)]
> [New Thread 0x7fff9d22d700 (LWP 2787)]
> [New Thread 0x7fff9d12c700 (LWP 2788)]
> [Thread 0x7fff9d12c700 (LWP 2788) exited]
> [Thread 0x7fffe5167700 (LWP 2777) exited]
> [New Thread 0x7fff896c6700 (LWP 2789)]
> [New Thread 0x7fff88ec5700 (LWP 2790)]
> [New Thread 0x7fff886c4700 (LWP 2791)]
> [New Thread 0x7fffe5167700 (LWP 2792)]
> [New Thread 0x7fff9d12c700 (LWP 2793)]
> [Thread 0x7fffe5066700 (LWP 2781) exited]
> [New Thread 0x7fffe5066700 (LWP 2794)]
> [New Thread 0x7fff7f5ec700 (LWP 2795)]
> 
> Thread 23 "vlc" received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fff7f5ec700 (LWP 2795)]
> 0x0000000000000000 in ?? ()
> (gdb) backtrace
> #0  0x0000000000000000 in ?? ()
> #1  0x00007fff7e57f648 in ?? () from
> /usr/lib/x86_64-linux-gnu/vlc/plugins/video_output/libegl_x11_plugin.so
> #2  0x00007ffff70f6d13 in ?? () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #3  0x00007ffff70f727a in vlc_module_load () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #4  0x00007ffff715abca in vlc_gl_Create () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #5  0x00007fff7f2e63fb in ?? () from
> /usr/lib/x86_64-linux-gnu/vlc/plugins/video_output/libgl_plugin.so
> #6  0x00007ffff70f6d13 in ?? () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #7  0x00007ffff70f727a in vlc_module_load () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #8  0x00007ffff714c95f in ?? () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #9  0x00007ffff715c250 in ?? () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #10 0x00007ffff714f7ea in ?? () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #11 0x00007ffff7151639 in ?? () from
> /usr/lib/x86_64-linux-gnu/libvlccore.so.9
> #12 0x00007ffff799b51a in start_thread (arg=0x7fff7f5ec700) at
> pthread_create.c:465
> #13 0x00007ffff74cf3ef in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
> (gdb)
> 
> I do not find -dbgsym packages neither for libvlccore9:amd64 nor for
> vlc-plugin-video-output:amd64 .
> 
> I'll welcome any suggestion on how to provide more detailed informations.
> Maybe the -dbgsym can be obtained from the source package? I may try...
> 
> Ĝis,
> m
> 
> -- 
> http://bodrato.it/papers/
> 

-- 
Sebastian Ramacher

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