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Date:      Mon, 03 Jul 2017 14:08:50 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   [Bug 220444] x11-servers/xorg-server crashes on attempt to play a video using VDPAU
Message-ID:  <bug-220444-7141-VgLHmeZe0h@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-220444-7141@https.bugs.freebsd.org/bugzilla/>
References:  <bug-220444-7141@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D220444

--- Comment #3 from Mikhail Teterin <mi@FreeBSD.org> ---
Created attachment 184035
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D184035&action=
=3Dedit
Backtrace with debug information

The crash is right here -- one of the methods (createImageFromFds) is NULL:

(gdb) frame 12
#12 0x0000000806fc9882 in gbm_dri_bo_import (gbm=3D0x804049600, type=3D2176=
3,=20
    buffer=3D0x7fffffffe828, usage=3D0) at backends/dri/gbm_dri.c:921
921           image =3D dri->image->createImageFromFds(dri->screen,
(gdb) p dri->image
$1 =3D (const __DRIimageExtension *) 0x808a5f7a0
(gdb) p *dri->image
$2 =3D {base =3D {name =3D 0x808713f2f "DRI_IMAGE", version =3D 12},=20
  createImageFromName =3D 0x8083c0260,=20
  createImageFromRenderbuffer =3D 0x8083c0310, destroyImage =3D 0x8083c0320=
,=20
  createImage =3D 0x8083c0360, queryImage =3D 0x8083c04c0, dupImage =3D 0x8=
083c0680,=20
  validateUsage =3D 0x8083c06d0, createImageFromNames =3D 0x8083c06e0,=20
  fromPlanar =3D 0x8083c0860, createImageFromTexture =3D 0x8083c08f0,=20
  createImageFromFds =3D 0x0, createImageFromDmaBufs =3D 0x0,=20
  blitImage =3D 0x8083c0aa0, getCapabilities =3D 0x8083c0c50,=20
  mapImage =3D 0x8083c0c70, unmapImage =3D 0x8083c0d00,=20
  createImageWithModifiers =3D 0x0}

I'll keep the core around -- in case you need me to poke at any other
variables...

--=20
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