NVIDIA chip affected:
01:00.0 VGA compatible controller: NVIDIA Corporation GT216 [GeForce
210] (rev a1)
The null pointer dereference occurs here:
Thread 27 "vlc" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff8f7c1640 (LWP 79292)]
0x00007fff8d59d1da in vl_compositor_yuv_deint_full (s=0x7fff980e8518,
c=0x7fff980e83d8, src=0x7fff98670030, dst=0x0,
src_rect=0x7fff8f7c0470,
dst_rect=0x7fff8f7c0460, deinterlace=VL_COMPOSITOR_WEAVE) at
../mesa-20.3.2/src/gallium/auxiliary/vl/vl_compositor.c:689
689 dst_surfaces = dst->get_surfaces(dst); //dst==NULL
=> 0x00007fff8d5981da <+42>: call *0x38(%rcx) //rcx is dst
(gdb) i r rcx
rcx 0x0 0
(gdb) bt
#0 0x00007fff8d59d1da in vl_compositor_yuv_deint_full
(s=0x7fff980e8518, c=0x7fff980e83d8, src=0x7fff98670030, dst=0x0,
src_rect=0x7fff8f7c0470, dst_rect=0x7fff8f7c0460,
deinterlace=VL_COMPOSITOR_WEAVE) at
../mesa-20.3.2/src/gallium/auxiliary/vl/vl_compositor.c:689
#1 0x00007fff8d58a29b in vlVaDeriveImage (ctx=0x7fff980c1590,
surface=<optimized out>, image=0x7fff8f7c05e0)
at ../mesa-20.3.2/src/gallium/frontends/va/image.c:321
#2 0x00007fff91485799 in vaDeriveImage () at /usr/lib/libva.so.2
#3 0x00007fff8e2256d2 in () at
/usr/lib/vlc/plugins/video_output/libglconv_vaapi_x11_plugin.so
#4 0x00007fff8e224189 in () at
/usr/lib/vlc/plugins/video_output/libglconv_vaapi_x11_plugin.so
#5 0x00007fff8f6b1896 in () at
/usr/lib/vlc/plugins/video_output/libgl_plugin.so
#6 0x00007fff8f6b86db in () at
/usr/lib/vlc/plugins/video_output/libgl_plugin.so
#7 0x00007ffff7d07cee in () at /usr/lib/libvlccore.so.9
#8 0x00007ffff7cfa019 in () at /usr/lib/libvlccore.so.9
#9 0x00007ffff7cfbf9e in () at /usr/lib/libvlccore.so.9
#10 0x00007ffff7f623e9 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007ffff7e8a293 in clone () at /usr/lib/libc.so.6
mesa-20.3.2/src/gallium/frontends/va/image.c:312,313
VAStatus
vlVaDeriveImage(VADriverContextP ctx, VASurfaceID surface, VAImage *image)
{
...
new_template.interlaced = false; //create_video_buffer
returns NULL if new_template.interlaced is set to false See below.
new_buffer = drv->pipe->create_video_buffer(drv->pipe, &new_template);
...
vl_compositor_yuv_deint_full(&drv->cstate, &drv->compositor,
surf->buffer, new_buffer,
&src_rect, &dst_rect,
VL_COMPOSITOR_WEAVE);
...
}
[Note]
mesa-20.3.2/src/gallium/drivers/nouveau/nv50/nv84_video.c:618,621
struct pipe_video_buffer *
nv84_video_buffer_create(struct pipe_context *pipe,
const struct pipe_video_buffer *template)
{
...
if (!template->interlaced) { //setting this to true in
vlVaDeriveImage returns valid buffer
debug_printf("Require interlaced video buffers\n");
return NULL;
}
...
}
Please advise on the further course of action.
_______________________________________________
Nouveau mailing list
Nouveau@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/nouveau
