Bug#1030936: vlc: crash on start playing
On 2023-02-12 15:55:14 +0300, Vladimir Stavrinov wrote:
> On Sun, Feb 12, 2023 at 11:48 AM Sebastian Ramacher
> <sramacher@debian.org> wrote:
> >
>
> > Please install the relevant -dbgsym packages and reproduce the crash
>
> Give me an exact list of such packages. I can't find anything
> appropriate neither vlc nore libva relevant.
See https://wiki.debian.org/HowToGetABacktrace how to get debug symbols
by installing -dbgsym packages our using debuginfod. That page has all
the information to produe a backtrace.
> > under gdb. We need a backtrace to identifiy the package that is at
> > fault.
>
> As I've already stated above this package is libva. Here is a list of
> dependent packages version installation of which solve this problem:
>
> libva2_2.16.0-1_amd64.deb
> libva-dev_2.16.0-1_amd64.deb
> libva-drm2_2.16.0-1_amd64.deb
> libva-glx2_2.16.0-1_amd64.deb
> libva-wayland2_2.16.0-1_amd64.deb
> libva-x11-2_2.16.0-1_amd64.deb
>
> i.e with these packages being installed vlc doesn't crash. After
> upgrading the system causing upgrading libva as well the problem
> emerged again. I don't want to pin the libva version, so we need to
> solve this problem in a regular way.
>
> P.S. I wonder why You can't reproduce this bug yourself. The only you
> need for this is recent sid distribution or if to be accurate libva-*
> packages of 2.17.0-1 version. Or do You mean vlc doesn't crash in such
> an environment in your installation? If so it would be strange.
The libva upgrade may have triggered a latent bug in one of the VA-API
drivers. But as anything with libva (note that libva just loads the
drivers and directly forwards all calls) these bugs depend on drivers
and hardware.
Cheers
--
Sebastian Ramacher
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