vlc segment fault after upgrade

jclark · 2022-03-22 20:39:47

Hi,

Did a pacman -Syu and since then vlc segmentation faults trying to read a DVD. I'm really struggling to work out why. I have tried reinstalling libdvdread libdvdcss libdvdnav and vlc, and ffmpeg. No difference. Have tried removing vlc config - no difference. Have also tried dropping back a vlc version or too - no difference.

I can play the DVD using mplayer but I find the mplayer very difficult. But it suggests (to me) thet the libdvd* packages are working.

Would be very grateful for any assistance.

Here's the output from running vlc on a disc that worked on this DVD drive with vlc before.

vlc /dev/sr1

VLC media player 3.0.17.3 Vetinari (revision 3.0.13-8-g41878ff4f2)
[0000563e45f86660] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
disc.c:437: error opening file BDMV/index.bdmv
disc.c:437: error opening file BDMV/BACKUP/index.bdmv
bluray.c:2646: nav_get_title_list(/run/media/jon/SOPRANOS_SEASON2_DISC1/) failed
disc.c:437: error opening file BDMV/index.bdmv
disc.c:437: error opening file BDMV/BACKUP/index.bdmv
bluray.c:2646: nav_get_title_list(/run/media/jon/SOPRANOS_SEASON2_DISC1/) failed
[00007f2860001170] dvdnav demux: DVD Title: SOPRANOS_SEASON2_DISC1
[00007f2860001170] dvdnav demux: DVD Serial Number: 38748F55
[00007f2860001170] dvdnav demux: DVD Title (Alternative): SOPRANOS_SEASON2_DISC1
[00007f2860001170] dvdnav demux: DVD disk reports itself with Region mask 0x00fd0000. Regions: 02
[00007f2860001170] dvdnav demux: Attempting to retrieve all CSS keys
[00007f2860001170] dvdnav demux: This can take a _long_ time, please be patient
[00007f2860001170] dvdnav demux: Menu Languages available:
[00007f2860001170] dvdnav demux: Menu Languages available:
[00007f2860001170] dvdnav demux: Menu Languages available:
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2860001170] dvdnav demux: Menu Languages available: it
[00007f2850007960] gl gl: Initialized libplacebo v4.192.1 (API v192)
[00007f28600451e0] avcodec decoder: Using Mesa Gallium driver 21.3.7 for AMD RS780 (DRM 2.50.0 / 5.16.16-arch1-1, LLVM 13.0.1) for hardware decoding
Segmentation fault (core dumped)

seth · 2022-03-22 20:50:22

Segmentation fault (core dumped)

https://wiki.archlinux.org/title/Core_d … _core_dump

Also please use code tags, https://bbs.archlinux.org/help.php#bbcode

jclark · 2022-03-24 19:28:51

seth wrote:

Segmentation fault (core dumped)
https://wiki.archlinux.org/title/Core_d … _core_dump
Also please use code tags, https://bbs.archlinux.org/help.php#bbcode

Thanks that's very helpful. It leads me to this:

(gdb) bt
#0  0x00007ff47303159c in  () at /usr/lib/dri/r600_dri.so
#1  0x00007ff473031b0b in  () at /usr/lib/dri/r600_dri.so
#2  0x00007ff42f2f2d0b in  () at /usr/lib/dri/r600_drv_video.so
#3  0x00007ff42f2f4b1e in  () at /usr/lib/dri/r600_drv_video.so
#4  0x00007ff44c10f7d8 in vaRenderPicture () at /usr/lib/libva.so.2
#5  0x00007ff44c9c7948 in  () at /usr/lib/libavcodec.so.58
#6  0x00007ff44c9dcfe2 in  () at /usr/lib/libavcodec.so.58
#7  0x00007ff44c7f948e in  () at /usr/lib/libavcodec.so.58
#8  0x00007ff44c7fa2f3 in  () at /usr/lib/libavcodec.so.58
#9  0x00007ff44c541c8b in  () at /usr/lib/libavcodec.so.58
#10 0x00007ff44c543150 in avcodec_send_packet () at /usr/lib/libavcodec.so.58
#11 0x00007ff47c06b671 in  () at /usr/lib/vlc/plugins/codec/libavcodec_plugin.so
#12 0x00007ff4aadb40e8 in  () at /usr/lib/libvlccore.so.9
#13 0x00007ff4aadb3caa in  () at /usr/lib/libvlccore.so.9
#14 0x00007ff4aadb462c in  () at /usr/lib/libvlccore.so.9
#15 0x00007ff4aaf015c2 in start_thread () at /usr/lib/libc.so.6
#16 0x00007ff4aaf86584 in clone () at /usr/lib/libc.so.6

That looks to me like the problem is in /usr/lib/dri/r600_dri.so which is part of mesa. I have tried going back to the previous version of mesa and mesa-vdpau but I get the same error. Should I be reporting this SIGSEGV to the mesa project? Again, I am very grateful for all assistance.

Thanks.

seth · 2022-03-24 19:45:11

/usr/lib/libavcodec.so.58 - the current version is /usr/lib/libavcodec.so.59 in ffmpeg 2:5.0-5
Did you conduct a partial update or are you maybe using an ffmpeg version from the AUR?

jclark · 2022-03-24 19:45:54

I have now tried after turning OFF hardware acceleration, and the DVD plays, so I guess I have mis-configured something to do with hardware acceleration. But I hadn't changed anything other than running pacman -Syu before it SIGSEGV'd.

seth · 2022-03-24 19:56:26

seth wrote:

/usr/lib/libavcodec.so.58 - the current version is /usr/lib/libavcodec.so.59 in ffmpeg 2:5.0-5
Did you conduct a partial update or are you maybe using an ffmpeg version from the AUR?

jclark · 2022-03-24 23:15:48

seth wrote:

/usr/lib/libavcodec.so.58 - the current version is /usr/lib/libavcodec.so.59 in ffmpeg 2:5.0-5
Did you conduct a partial update or are you maybe using an ffmpeg version from the AUR?

Thanks again. ffmpeg is

pacman -Q ffmpeg
ffmpeg 2:5.0-5

Got it from extra i.e. not from AUR.

Does the following give a clue? Not many entries below.

vainfo
vainfo: VA-API version: 1.13 (libva 2.14.0)
vainfo: Driver version: Mesa Gallium driver 21.3.7 for AMD RS780 (DRM 2.50.0 / 5.16.16-arch1-1, LLVM 13.0.1)
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            :	VAEntrypointVLD
      VAProfileMPEG2Main              :	VAEntrypointVLD
      VAProfileNone                   :	VAEntrypointVideoProc

I'm confused between xf86-video-ati and xf86-video-amdgpu. I was using (since 2015) xf86-video-ati. When this problem started I tried xf86-video-amdgpu but that didn't work at all with my hardware which is according to lshw:

*-display
                description: VGA compatible controller
                product: RS780L [Radeon 3000]

Finally, although in theory I would like to have hardware acceleration, in fact when I used to work ok with VLC default acceleration, when playing a DVD I used to notice saw that my processors

     *-cpu
          description: CPU
          product: AMD Athlon(tm) II X4 630 Processor
          vendor: Advanced Micro Devices [AMD]
          physical id: 4

tended to be about 50% utilised (all 4 of them), when I turned off hardware acceleration this evening and played a DVD, the processors were running at about 10 - 15 %.

Which is to say, I would like to have hardware acceleration with genuine reduction in CPU utilisation, but meanwhile I can play DVD's in vlc, and performance is actually better than it used to be.

Scimmia · 2022-03-24 23:19:41

seth wrote:

/usr/lib/libavcodec.so.58 - the current version is /usr/lib/libavcodec.so.59 in ffmpeg 2:5.0-5
Did you conduct a partial update or are you maybe using an ffmpeg version from the AUR?

VLC is built against ffmpeg4.4 in Extra. It's loading the correct library.

seth · 2022-03-25 07:00:12

I'm confused between xf86-video-ati and xf86-video-amdgpu. I was using (since 2015) xf86-video-ati. When this problem started I tried xf86-video-amdgpu but that didn't work at all with my hardware which is according to lshw:

Radeon 3000 isn't supported by the amdgpu drivers, I'd try to remove both (all) xf86-video-* packages and use the modesetting driver (on top of the radeon kernel module) - there's a good chance that this will also "fix" the segfault.

Arch Linux

#1 2022-03-22 20:39:47

vlc segment fault after upgrade

#2 2022-03-22 20:50:22

Re: vlc segment fault after upgrade

#3 2022-03-24 19:28:51

Re: vlc segment fault after upgrade

#4 2022-03-24 19:45:11

Re: vlc segment fault after upgrade

#5 2022-03-24 19:45:54

Re: vlc segment fault after upgrade

#6 2022-03-24 19:56:26

Re: vlc segment fault after upgrade

#7 2022-03-24 23:15:48

Re: vlc segment fault after upgrade

#8 2022-03-24 23:19:41

Re: vlc segment fault after upgrade

#9 2022-03-25 07:00:12

Re: vlc segment fault after upgrade

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