1192900 - firefox crashes when resizing the youtube html5 player (vdpau related)

Status: RESOLVED INVALID

(Core :: Audio/Video: Playback, defect, P2)

Description

[Julian Sikorski]

Attachment: gdb.txt

User Agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:40.0) Gecko/20100101 Firefox/40.0
Build ID: 20150807122012

Steps to reproduce:

1. go to https://www.youtube.com/watch?v=uHuj9M9nKEU
2. resize the video (cinema mode) or go to fullscreen


Actual results:

Firefox crashed


Expected results:

Video changed size without crashing firefox

Comment 1

[Julian Sikorski]

firefox-40.0-2.fc22.x86_64
glib2-2.44.1-1.fc22.x86_64
gstreamer1-1.4.5-1.fc22.x86_64
gstreamer1-plugins-base-1.4.5-2.fc22.x86_64
gstreamer1-vaapi-0.6.0-0.1.fc22.x86_64
libva-1.5.1-1.fc22.x86_64
libva-vdpau-driver-0.7.4-10.fc22.x86_64
libX11-1.6.3-1.fc22.x86_64
nspr-4.10.8-1.fc22.x86_64
xorg-x11-drv-nvidia-352.30-1.fc22.x86_64

Uninstalling libva-vdpau-driver makes the crash go away.

Comment 2

[Nicolas Silva [:nical]]

Matt, any idea off hand?

Comment 3

[Matt Woodrow (:mattwoodrow)]

Nope, but edwin might.

Comment 4

[Jean-Yves Avenard [:jya]]

another gstreamer crash.

Comment 5

[Jean-Yves Avenard [:jya]]

va-vdpau is super experimental and crashy..

I suggest you find a native vaapi plugin.

Comment 6

[Anthony Jones (:ajones, :kentuckyfriedtakahe, :k17e)]

Is there a way to block it?

Comment 7

[Jean-Yves Avenard [:jya]]

we could, but my guess is that this plugin will work well if you don't use the vdpau adapter (which would probably not be used by that plugin anyway).

it gives HW acceleration to linux, very useful

Comment 8

[Ralph Giles (:rillian)]

we should mark firefox as conflictig with this.

Comment 9

[jeremy9856]

I think I have this problem on Fedora 22 x64 with Nvidia drivers.
Firefox seems to work perfectly with Nouveau drivers.

Comment 10

[jeremy9856]

The crashes happens when I seek in a youtube video or resize the player (with the html5 player). After that if I reboot Firefox, it keep crashing...

Comment 11

[Anthony Jones (:ajones, :kentuckyfriedtakahe, :k17e)]

(In reply to jeremy9856 from comment #9)
> I think I have this problem on Fedora 22 x64 with Nvidia drivers.
> Firefox seems to work perfectly with Nouveau drivers.

That is because VDPAU is only supported by the nVidia driver. Gstreamer supports vaapi and the vaapi/vdpau bridge is munted. You need to remove libva-vdpau-driver because that is the thing causing the crash.

Comment 12

[jeremy9856]

Ok I understand that Firefox can't work with libva-vdpau-driver.

But you shouldn't have to remove softwares to make an other soft work. Plus, I use VDPAU in MPV so I don't want to remove it. And even if I try to remove libva-vdpau-driver the whole Nvidia driver will be removed (http://negativo17.org/nvidia-driver/). 

Simply saying "You need to remove libva-vdpau-driver" is an easy way for you to get rid of this bug but it's not a solution for your users. 

A more logical way to handle this is, I think, to avoid to use it in Firefox, or better offer the choice as an option to use it or not.

What do you think?

Comment 13

[Jean-Yves Avenard [:jya]]

"Ok I understand that Firefox can't work with libva-vdpau-driver."

it's not that at all.

It is gstreamer itself that is crashing because one of its plugin, designed by Intel to work with their VAAPI adapter happen to call another piece of software that is using libva-vdpau which itself is crashing. Someone thought it would be a good idea to make a nvidia card appear like an intel one.

I'm not sure what distribution you are using, but I don't see libva-vdpau-driver being a dependency for the vdpau drivers. It's should be the other way round.

It's this piece of software that is crashing. If you don't see it crashing elsewhere it's because you aren't using gstreamer there !

As the issue is in one of the gstreamer plugin, we can't tell that down the track one of its component is buggy and crashing.

The issue has nothing to do with firefox.

If libva-vdpau-driver is a dependency for the nvidia drivers, you should report that bug to the packager.

Comment 14

[jeremy9856]

Ok it's more clear now, thank you.

I'm using Fedora 22 with these Nvidia drivers http://negativo17.org/nvidia-driver/
I will see with him if he can change the dependency.

And what about comment 8 ? "we should mark firefox as conflictig with this."

Comment 15

[Anthony Jones (:ajones, :kentuckyfriedtakahe, :k17e)]

(In reply to jeremy9856 from comment #14)
> And what about comment 8 ? "we should mark firefox as conflictig with this."

There is some value in making the Firefox package conflict with libva-vdpau-driver because it breaks gstreamer. We're probably better off dropping gstreamer altogether.