Suramya's Blog : Welcome to my crazy life…

September 30, 2020

How to fix vlc’s Core dumping issue while playing some videos

Over the past 2 days I found that the VLC install on my computer was suddenly having issues playing some of the video files on my computer. Initially I thought that it was a problem with the video file, then I realized that this was also happening with videos that had be playing fine earlier. When I ran vlc from the command line to play the problem video it gave the following output on screen when it crashed:

[00005587b42751b0] dummy interface: using the dummy interface module…
[00007f00c4004980] egl_x11 gl error: cannot select OpenGL API
[00007f00c4004980] gl gl: Initialized libplacebo v2.72.0 (API v72)
[00007f00c402a310] postproc filter error: Unsupported input chroma (VAOP)
[00007f00bd986e50] chain filter error: Too high level of recursion (3)
[00007f00c4028d40] main filter error: Failed to create video converter
[00007f00bd986e50] chain filter error: Too high level of recursion (3)
[00007f00c4028d40] main filter error: Failed to create video converter
[00007f00bd986e50] chain filter error: Too high level of recursion (3)
[00007f00c4028d40] main filter error: Failed to create video converter
[00007f00bd986e50] chain filter error: Too high level of recursion (3)


[00007f00c44265c0] chain filter error: Too high level of recursion (3)
[00007f00c4414240] main filter error: Failed to create video converter
[00007f00bd9020d0] main filter error: Failed to create video converter
[00007f00cc047d70] main video output error: Failed to create video converter
[00007f00cc047d70] main video output error: Failed to compensate for the format changes, removing all filters
[00007f00c4004980] gl gl: Initialized libplacebo v2.72.0 (API v72)

A google search told me that a possible solution was to disable hardware acceleration in the Video settings but that didn’t fix my problem. So I took a look at the kernel.log file in /var/log and I got the following error when the program crashed:

Sep 30 21:11:44 StarKnight kernel: [173399.132554] vlc[91472]: segfault at 28000000204 ip 00007f2d8916c1d8 sp 00007f2d8aa69db0 error 4 in libpostproc.so.55.7.100[7f2d8915c000+1d000]
Sep 30 21:11:44 StarKnight kernel: [173399.132568] Code: 98 48 8d 44 07 20 0f 18 08 8b 44 24 08 4d 8d 0c 1a 4d 8d 04 2b 85 c0 0f 85 cb fd ff ff 4c 8b 6c 24 28 4b 8d 04 29 4b 8d 14 20 <41> 0f 6f 01 43 0f 6f 0c 29 41 0f 7f 00 43 0f 7f 0c 20 43 0f 6f 04

Spent about an hour searching for the solution using the details from the kernel.log but got nowhere. Finally I found a forum post where one of the solutions offered was to remove the vlc configuration files, since I didn’t have any other bright idea’s I renamed the vlc config folder by issuing the following command:

mv ~/.config/vlc ~/.config/vlc_09302020

Then I started vlc and just like that everything started working again. 🙂 Not sure what caused the settings to get borked in the first place but the issue is fixed now so all is well.

– Suramya

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