Thread 1 "X" received signal SIGSEGV, Segmentation fault.
radeon_dri2_copy_region2 (pScreen=0x55e371b44cb0, drawable=0x55e372625630, region=0x7ffcc053ed40,
    dest_buffer=<optimized out>, src_buffer=0x55e3726d6e10) at radeon_dri2.c:373
373         gc = GetScratchGC(dst_drawable->depth, pScreen);
(gdb) bt f
#0  0x00007fedc1cf38ca in radeon_dri2_copy_region2 (pScreen=0x55e371b44cb0, drawable=0x55e372625630, region=0x7ffcc053ed40, dest_buffer=<optimized out>, src_buffer=0x55e3726d6e10) at radeon_dri2.c:373
        src_private = 0x55e3726f5a20
        dst_private = 0x55e37267bf90
        pScrn = <optimized out>
        src_drawable = 0x55e372625630
        dst_drawable = <optimized out>
        copy_clip = <optimized out>
        gc = <optimized out>
        info = 0x55e371a74950
        vsync = <optimized out>
        translate = 0
        off_x = 0
        off_y = 0
        dst_ppix = <optimized out>
#1  0x000055e3703cb407 in dri2_copy_region (pDraw=pDraw@entry=0x55e372625630, pRegion=pRegion@entry=0x7ffcc053ed40, pDest=0x55e3726dee30, pSrc=0x55e3726d6e10) at dri2.c:897
        pPriv = 0x55e37265ee80
#2  0x000055e3703cbc08 in DRI2CopyRegion (pDraw=pDraw@entry=0x55e372625630, pRegion=pRegion@entry=0x7ffcc053ed40, dest=dest@entry=7, src=src@entry=0) at dri2.c:940
        pPriv = <optimized out>
        pDestBuffer = <optimized out>
        pSrcBuffer = <optimized out>
        i = <optimized out>
#3  0x000055e3703cc096 in do_get_buffers (pDraw=0x55e372625630, width=width@entry=0x7ffcc053edc8, height=height@entry=0x7ffcc053edd0, attachments=<optimized out>,
    attachments@entry=0x55e3726718c4, count=1, out_count=out_count@entry=0x7ffcc053edd8, has_format=1) at dri2.c:668
        box = {x1 = 0, y1 = 0, x2 = <optimized out>, y2 = <optimized out>}
        region = {extents = {x1 = 0, y1 = 0, x2 = 960, y2 = 432}, data = 0x0}
        pPriv = <optimized out>
        ds = 0x55e371b45200
        buffers = 0x55e372658b50
        need_real_front = <optimized out>
        need_fake_front = <optimized out>
        have_fake_front = <optimized out>
        front_format = <optimized out>
        dimensions_match = 1
        buffers_changed = <optimized out>
        i = <optimized out>
#4  0x000055e3703cc13b in DRI2GetBuffersWithFormat (pDraw=<optimized out>, width=width@entry=0x7ffcc053edc8, height=height@entry=0x7ffcc053edd0, attachments=attachments@entry=0x55e3726718c4, count=<optimized out>, out_count=out_count@entry=0x7ffcc053edd8) at dri2.c:708
#5  0x000055e3703cdc20 in ProcDRI2GetBuffersWithFormat (client=0x55e3726576d0) at dri2ext.c:317
        buffers = <optimized out>
        status = 0
        count = 2
        stuff = 0x55e3726718b8
        pDrawable = 0x55e372625630
        width = 960
        height = 432
        attachments = 0x55e3726718c4
        stuff = 0x55e3726718b8
#6  0x000055e3703cdc20 in ProcDRI2Dispatch (client=0x55e3726576d0) at dri2ext.c:619
        stuff = 0x55e3726718b8
#7  0x000055e370297f68 in Dispatch () at dispatch.c:479
        result = <optimized out>
        start_tick = 2130
#8  0x000055e37029bfb0 in dix_main (argc=13, argv=0x7ffcc053efd8, envp=<optimized out>) at main.c:287
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
#9  0x00007fedc494fa87 in __libc_start_main () at /lib64/libc.so.6
#10 0x000055e370285c5a in _start () at ../sysdeps/x86_64/start.S:120
(gdb)
(gdb) p *radeon_glamor_create_pixmap::pixmap
No frame is currently executing in block radeon_glamor_create_pixmap.