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From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 12 Jun 2017 10:20:16 +0200
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Subject: Re: [Qemu-devel] [PATCH 2/4] egl-headless: use framebuffer helper
 functions.
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To: =?ISO-8859-1?Q?Marc-Andr=E9?= Lureau <marcandre.lureau@gmail.com>, qemu-devel@nongnu.org

On Wed, 2017-06-07 at 21:02 +0000, Marc-Andr=C3=A9 Lureau wrote:
> Hi
>=20
> The patch looks good to me, but I tried to use egl-headless for the
> first time, and I get a weird crash on virgl init:
> (gdb) bt
> #0=C2=A0 0x00007fffd8cd935f in rawmemchr () at /lib64/libc.so.6
> #1=C2=A0 0x00007fffd8cc1832 in _IO_str_init_static_internal () at
> /lib64/libc.so.6
> #2=C2=A0 0x00007fffd8cb37e7 in vsscanf () at /lib64/libc.so.6
> #3=C2=A0 0x00007ffff6e818a6 in vsscanf () at /lib64/libasan.so.3
> #4=C2=A0 0x00007ffff6e819d3 in sscanf () at /lib64/libasan.so.3
> #5=C2=A0 0x00007ffff6bfe239 in vrender_get_glsl_version
> (glsl_version=3D0x60e00001f2b8) at vrend_renderer.c:6026
> #6=C2=A0 0x00007ffff6bfe239 in vrend_create_context (id=3Did@entry=3D0, n=
len=3Dn
> len@entry=3D0, debug_name=3Ddebug_name@entry=3D0x0) at
> vrend_renderer.c:4033
> #7=C2=A0 0x00007ffff6c04f2f in vrend_renderer_context_create_internal
> (handle=3D0, nlen=3D0, debug_name=3D0x0) at vrend_decode.c:1066
> #8=C2=A0 0x00007ffff6bf72a3 in vrend_renderer_init (cbs=3D<optimized out>=
,
> flags=3D0) at vrend_renderer.c:3874
> #9=C2=A0 0x0000555556b52cc1 in virtio_gpu_virgl_init (g=3D0x633000008d10)=
 at
> /home/elmarco/src/qemu/hw/display/virtio-gpu-3d.c:623
>=20
> This doesn't happen when I use virgl/spice (gl=3Don obviously)
>=20
> I guess you don't know what's going on,

No, havn't seen this before.

cheers,
  Gerd