#0  0x00007f9cbd3fa957 in ioctl () at ../sysdeps/unix/syscall-template.S:82
No locals.
#1  0x00007f9cbb779a28 in drmIoctl (fd=12, request=1074291842, arg=0x7fffd729fe70) at ../xf86drm.c:167
        ret = <optimized out>
#2  0x00007f9cbb77bd1b in drmCommandWrite (fd=<optimized out>, drmCommandIndex=<optimized out>, data=<optimized out>, size=<optimized out>)
    at ../xf86drm.c:2415
        request = <optimized out>
#3  0x00007f9cbb12d197 in nouveau_bo_wait (bo=0x7f9cc0baa7d0, cpu_write=0, no_wait=<optimized out>, no_block=<optimized out>)
    at ../../nouveau/nouveau_bo.c:390
        nvdev = 0x7f9cc0b9f380
        nvbo = 0x7f9cc0baa7d0
        req = {handle = 9, flags = 0}
        ret = <optimized out>
#4  0x00007f9cbb12d7b9 in nouveau_bo_map_range (bo=0x7f9cc0baa7d0, delta=0, size=<optimized out>, flags=4) at ../../nouveau/nouveau_bo.c:433
        nvbo = 0x7f9cc0baa7d0
        ret = <optimized out>
#5  0x00007f9cbb3374eb in NVAccelDownloadM2MF (dst_pitch=6720, dst=0x7f9cc1171600 "\220\375\361\301\234\177", h=968, w=1680, y=0, x=0, 
    pspix=0x7f9cc1094760) at ../../src/nouveau_exa.c:133
        i = <optimized out>
        src = <optimized out>
        pNv = 0x7f9cc0b9edd0
        m2mf = 0x7f9cc0baa560
        cpp = 4
        src_offset = 0
        line_count = <optimized out>
        chan = 0x7f9cc0ba7050
        linear = 0
        pScrn = <optimized out>
        bo = 0x7f9cc105c870
        line_len = 6720
        src_pitch = 0
#6  nouveau_exa_download_from_screen (pspix=0x7f9cc1094760, x=0, y=0, w=1680, h=968, dst=0x7f9cc1171600 "\220\375\361\301\234\177", 
    dst_pitch=6720) at ../../src/nouveau_exa.c:386
        pNv = <optimized out>
        bo = 0x7f9cc0ba7050
        src_pitch = 6720
        cpp = 4
        offset = 0
        src = <optimized out>
        ret = -685113744
#7  0x00007f9cbacf4ce7 in exaCopyDirty (migrate=<optimized out>, pValidDst=0x7f9cc10947f0, pValidSrc=0x7f9cc1094800, 
    transfer=0x7f9cbb336f90 <nouveau_exa_download_from_screen>, fallback_index=1, sync=0x7f9cbacf3840 <exaWaitSync>)
    at ../../exa/exa_migration_classic.c:220
        pPixmap = 0x7f9cc1094760
        pExaPixmap = 0x7f9cc10947b0
        damage = <optimized out>
        CopyReg = {extents = {x1 = 0, y1 = 0, x2 = 1680, y2 = 968}, data = 0x0}
        save_use_gpu_copy = 1
        save_pitch = 6720
        pBox = 0x7fffd729ffb0
        nbox = 1
        access_prepared = 0
        need_sync = 0
#8  0x00007f9cbacf751a in exaPrepareAccessReg_mixed (pPixmap=0x7f9cc1094760, index=<optimized out>, pReg=0x0)
    at ../../exa/exa_migration_mixed.c:247
        as_dst = 1
        pixmaps = {{as_dst = 0, as_src = 1, pPix = 0x7f9cc1094760, pReg = 0x0}}
        pExaPixmap = 0x7f9cc10947b0
        has_gpu_copy = <optimized out>
        success = <optimized out>
#9  0x00007f9cbad01a07 in ExaPrepareCompositeReg (height=28, width=1653, yDst=29, xDst=0, yMask=<optimized out>, xMask=18272, 
    ySrc=<optimized out>, xSrc=<optimized out>, pDst=0x7f9cc1040470, pMask=0x0, pSrc=0x7f9cc11302f0, op=3 '\003', pScreen=<optimized out>)
    at ../../exa/exa_unaccel.c:599
        region = {extents = {x1 = 0, y1 = 29, x2 = 1653, y2 = 57}, data = 0x0}
        srcReg = 0x7f9cc1094760
        pSrcPix = 0x0
        ret = 1
        dstReg = <optimized out>
        maskReg = 0x0
        pMaskPix = 0x0
        pDstPix = 0x7f9cc1094760
        pExaScr = 0x7f9cc0bab9d0
#10 ExaCheckComposite (op=3 '\003', pSrc=0x7f9cc11302f0, pMask=0x0, pDst=0x7f9cc1040470, xSrc=0, ySrc=29, xMask=0, yMask=0, xDst=0, yDst=29, 
    width=1653, height=28) at ../../exa/exa_unaccel.c:624
        pScreen = <optimized out>
        ps = 0x7f9cc0bab580
        pExaScr = 0x7f9cc0bab9d0
#11 0x00007f9cbacfe0b8 in exaComposite (op=3 '\003', pSrc=0x7f9cc11302f0, pMask=0x0, pDst=0x7f9cc1040470, xSrc=<optimized out>, 
    ySrc=<optimized out>, xMask=0, yMask=0, xDst=<optimized out>, yDst=<optimized out>, width=1653, height=28) at ../../exa/exa_render.c:1066
        pExaScr = 0x3246
        ret = <optimized out>
        saveSrcRepeat = 1
        saveMaskRepeat = 0
        region = {extents = {x1 = 0, y1 = 0, x2 = 0, y2 = 0}, data = 0x7f9cbd3a38d0}
#12 0x00007f9cbf40bed4 in damageComposite (op=3 '\003', pSrc=0x7f9cc11302f0, pMask=0x0, pDst=0x7f9cc1040470, xSrc=0, ySrc=29, xMask=0, 
    yMask=0, xDst=0, yDst=29, width=1653, height=28) at ../../../miext/damage/damage.c:569
        pScreen = <optimized out>
        ps = 0x7f9cc0bab580
        pScrPriv = 0x7f9cc0babf70
#13 0x00007f9cbf404474 in ProcRenderComposite (client=0x7f9cc1030440) at ../../render/render.c:728
        pSrc = 0x7f9cc11302f0
        pMask = 0x0
        pDst = 0x7f9cc1040470
        stuff = 0x7f9cc10fb884
#14 0x00007f9cbf348f81 in Dispatch () at ../../dix/dispatch.c:437
        clientReady = 0x7f9cc0e757f0
        result = <optimized out>
        client = 0x7f9cc1030440
        nready = 0
        icheck = 0x7f9cbf6fdad0
        start_tick = 4940
#15 0x00007f9cbf3381aa in main (argc=8, argv=<optimized out>, envp=<optimized out>) at ../../dix/main.c:287
        i = <optimized out>
        alwaysCheckForInput = {0, 1}