Bug#848407: mpv: 1080p videos often cease displaying if another window covers it temporarily

[James Cowgill]

Control: tags -1 moreinfo

On 17/12/16 12:05, Arthur Marsh wrote:
> Package: mpv
> Version: 0.22.0-1
> Severity: normal
> 
> Dear Maintainer,
> 
> *** Reporter, please consider answering these questions, where appropriate ***
> 
>    * What led up to the situation?
> 
> Playing 1080p resolution videos with either opengl or vdpau output.
> 
> The video card is a radeon Cedar:
> 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] 
> Cedar [Radeon HD 5000/6000/7350/8350 Series]
> 
> If the window was completely covered by another window (eg from firefox)
> temporarily, the mpv window would not display the video when foregrounded 
> again. Hitting q on the terminal window would not quit mpv.

I can't reproduce this, but that maybe because a don't have an AMD video
card.

Are you using the open source mesa/ati/radeon drivers or the proprietary
drivers?

> Running gdb on mpv revealed:

Unfortunately your gdb trace is from a blocked thread and not the
interesting threads. Please run 'thread apply all bt full' to get the
full backtrace of all threads.

>    * What exactly did you do (or not do) that was effective (or
>      ineffective)?
> 
> Tried upgrading xserver-xorg related packages to 2:1.19.0-3
> 
>    * What was the outcome of this action?
> 
> Not much if any change.

So upgrading xserver-xorg didn't change anything? When did you first see
this bug? Did an mpv upgrade cause it? Could you try downgrading various
components (mpv, drivers, kernel, xorg) to see where the bug could be?

> Versions of packages mpv depends on:
[...]
> ii  libpulse0                               9.0-5.0nosystemd1

As a side note, while I don't think it would have much affect on this
bugreport, you should really be running clean Debian systems when
reporting bugs (makes things easier to reproduce).

Thanks,
James

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