Created attachment 130082 [details] gdb backtrace log gst-launch-1.0 videotestsrc \! video/x-raw, format=RGBx \! vaapisink Running the pipeline causes causes a blank window to open and segmentation fault occurs.
Thx Gurkirpal for the report. The other day I was going further into https://bugzilla.gnome.org/show_bug.cgi?id=779642 and I wonder if it is not the same issue in the end, see its commet #6.
Created attachment 130320 [details] backtrace changed backtrace log to the right one.
Thx Gurkirpal, this time the backtrace looks different than the gst bug I pointed above. I get the same result with AMD, dri/radeonsi_drv_video.so . Note it crashes with RGBx and BGRx but not with RGBA and BGRA. (gdb) info locals res = <optimized out> desc = <optimized out> nr_components = <optimized out> buf = 0x7fffd8070320 sv_templ = {reference = {count = 6291460}, target = PIPE_BUFFER, format = 4041780302, texture = 0x6dfd50, context = 0x7fffd8000020, u = { tex = {first_layer = 192, last_layer = 0, first_level = 0, last_level = 0}, buf = {offset = 192, size = 0}}, swizzle_r = 0, swizzle_g = 4, swizzle_b = 4, swizzle_a = 1} pipe = 0x86ed00 i = 0 j = <optimized out> component = 0 __PRETTY_FUNCTION__ = "vl_video_buffer_sampler_view_components" I can read buf size 0 but it would require further investigations.
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