#0  0x00007fb31948af17 in ioctl () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x00007fb31af8f95d in drmCommandWrite () from /usr/lib/libdrm.so.2
No symbol table info available.
#2  0x00007fb3143a5abc in radeon_bo_wait (_buf=_buf@entry=0x27c7220, usage=usage@entry=RADEON_USAGE_WRITE) at radeon_drm_bo.c:170
        args = {handle = 264, pad = 0}
        bo = 0x27c7220
#3  0x00007fb3143a6192 in radeon_bo_map (buf=0x27c7220, rcs=0x7fb31afa6010, usage=PIPE_TRANSFER_READ) at radeon_drm_bo.c:495
        time = 257018388887
        bo = 0x27c7220
        cs = <optimized out>
#4  0x00007fb314393947 in si_texture_transfer_map (ctx=0xec40a0, texture=0x28113f0, level=<optimized out>, usage=1, box=<optimized out>, 
    ptransfer=0x7fffaa709b78) at r600_texture.c:841
        rctx = 0xec40a0
        rtex = 0x28113f0
        trans = 0x20bfe40
        use_staging_texture = <optimized out>
        buf = <optimized out>
        offset = 0
        map = <optimized out>
        __func__ = "si_texture_transfer_map"
#5  0x00007fb3141af2ea in pipe_transfer_map_3d (transfer=0x7fffaa709b78, d=1, h=4, w=4, z=0, y=0, x=0, access=1, level=0, 
    resource=<optimized out>, context=0xec40a0) at ../../src/gallium/auxiliary/util/u_inlines.h:470
        box = {x = 0, y = 0, z = 0, width = 4, height = 4, depth = 1}
#6  st_readpixels (ctx=0xf412d0, x=0, y=0, width=4, height=4, format=32993, type=33639, pack=0xf503e0, pixels=0x1d04fa0)
    at ../../src/mesa/state_tracker/st_cb_readpixels.c:198
        rb = 0x25fa420
        strb = 0x25fa420
        pipe = 0xec40a0
        screen = <optimized out>
        src = 0x25bbb20
        dst = 0x28113f0
        dst_templ = {reference = {count = 0}, screen = 0x0, target = PIPE_TEXTURE_2D, format = PIPE_FORMAT_B8G8R8A8_UNORM, width0 = 4, 
          height0 = 4, depth0 = 1, array_size = 1, last_level = 0, nr_samples = 0, usage = 5, bind = 1026, flags = 0}
        dst_format = PIPE_FORMAT_B8G8R8A8_UNORM
        blit = {dst = {resource = 0x28113f0, level = 0, box = {x = 0, y = 0, z = 0, width = 4, height = 4, depth = 1}, 
            format = PIPE_FORMAT_B8G8R8A8_UNORM}, src = {resource = 0x25bbb20, level = 0, box = {x = 0, y = 0, z = 0, width = 4, 
              height = 4, depth = 1}, format = PIPE_FORMAT_R8G8B8A8_UNORM}, mask = 15, filter = 0, scissor_enable = 0 '\000', scissor = {
            minx = 0, miny = 0, maxx = 0, maxy = 0}}
        bind = <optimized out>
        tex_xfer = 0x0
        map = 0x0
#7  0x00007fb31413790b in _mesa_ReadnPixelsARB (x=0, y=0, width=4, height=4, format=32993, type=33639, bufSize=bufSize@entry=2147483647, 
    pixels=pixels@entry=0x1d04fa0) at ../../src/mesa/main/readpix.c:1042
        err = <optimized out>
        rb = <optimized out>
        ctx = 0xf412d0
#8  0x00007fb314137afa in _mesa_ReadPixels (x=<optimized out>, y=<optimized out>, width=<optimized out>, height=<optimized out>, 
    format=<optimized out>, type=<optimized out>, pixels=0x1d04fa0) at ../../src/mesa/main/readpix.c:1050
No locals.
#9  0x00007fb317e6e208 in _glamor_download_sub_pixmap_to_cpu (pixmap=0x2605330, format=32993, type=33639, no_alpha=0, revert=0, swap_rb=0, 
    x=0, y=0, w=4, h=4, stride=16, bits=0x1d04fa0, pbo=0, access=GLAMOR_ACCESS_RO) at glamor_pixmap.c:1009
        pixmap_priv = 0x26050b0
        gl_access = 35000
        gl_usage = 35041
        data = 0x1d04fa0
        read = 0x26050b0
        glamor_priv = 0x106f160
        dispatch = 0x106f160
        temp_fbo = 0x0
        need_post_conversion = 0
        need_free_data = 0
        fbo_x_off = 0
        fbo_y_off = 0
#10 0x00007fb317e6ec93 in glamor_download_sub_pixmap_to_cpu (pixmap=0x2605330, x=0, y=0, w=4, h=4, stride=16, bits=0x1d04fa0, pbo=0, 
    access=GLAMOR_ACCESS_RO) at glamor_pixmap.c:1172
        format = 32993
        type = 33639
        no_alpha = 0
        revert = 0
        swap_rb = 0
        pixmap_priv = 0x26050b0
        force_clip = 0
        __FUNCTION__ = "glamor_download_sub_pixmap_to_cpu"
#11 0x00007fb317e69fa7 in _glamor_get_image (drawable=0x2605330, x=0, y=0, w=4, h=4, format=2, planeMask=4294967295, d=0x1d04fa0 "", 
    fallback=1) at glamor_getimage.c:66
        pixmap = 0x2605330
        sub_pixmap = 0x30
        pixmap_priv = 0x26050b0
        x_off = 0
        y_off = 0
        stride = 16
        data = 0x0
        __FUNCTION__ = "_glamor_get_image"
#12 0x00007fb317e6a11f in glamor_get_image (pDrawable=0x2605330, x=0, y=0, w=4, h=4, format=2, planeMask=4294967295, d=0x1d04fa0 "")
    at glamor_getimage.c:92
No locals.
#13 0x0000000000578db3 in miSpriteGetImage (pDrawable=0x2605330, sx=0, sy=0, w=4, h=4, format=2, planemask=4294967295, 
    pdstLine=0x1d04fa0 "") at misprite.c:413
        pScreen = 0xfc02e0
        pDev = <optimized out>
        pCursorInfo = <optimized out>
#14 0x00000000004c5645 in compGetImage (pDrawable=0x2605330, sx=<optimized out>, sy=<optimized out>, w=<optimized out>, h=<optimized out>, 
    format=<optimized out>, planemask=4294967295, pdstLine=0x1d04fa0 "") at compinit.c:148
        pScreen = 0xfc02e0
#15 0x0000000000434b87 in DoGetImage (im_return=0x0, planemask=<optimized out>, height=4, width=4, y=0, x=0, drawable=<optimized out>, 
    format=<optimized out>, client=0x1df6990) at dispatch.c:2131
        pBoundingDraw = <optimized out>
        linesPerBuf = 4
        relx = <optimized out>
        widthBytesLine = 16
        plane = <optimized out>
        pVisibleRegion = 0x0
        rely = <optimized out>
        xgi = {type = 1 '\001', depth = 32 ' ', sequenceNumber = 43387, length = 16, visual = 0, pad3 = 0, pad4 = 0, pad5 = 0, pad6 = 0, 
          pad7 = 0}
        pDraw = 0x2605330
        nlines = 4
        rc = <optimized out>
        linesDone = 0
        length = <optimized out>
        pBuf = 0x1d04fa0 ""
#16 ProcGetImage (client=0x1df6990) at dispatch.c:2206
        stuff = <optimized out>
#17 0x000000000043777e in Dispatch () at dispatch.c:432
        clientReady = 0x1c40320
        result = <optimized out>
        client = 0x1df6990
        nready = 0
        icheck = 0x81a080 <checkForInput>
        start_tick = 900
#18 0x000000000042686d in main (argc=7, argv=0x7fffaa70a2d8, envp=<optimized out>) at main.c:298
        i = <optimized out>
        alwaysCheckForInput = {0, 1}