Program received signal SIGSEGV, Segmentation fault.
drmmode_flip_abort (scrn=0x7fba28c53f10, event_data=0x7fba2a4ca480) at drmmode_display.c:1823
1823            if (flipdata->flip_count == 1)
(gdb) bt f
#0  drmmode_flip_abort (scrn=0x7fba28c53f10, event_data=0x7fba2a4ca480) at drmmode_display.c:1823
        flipcarrier = 0x7fba2a4ca480
        flipdata = 0x0
#1  0x00007fba204e8c34 in radeon_drm_abort_one (e=0x7fba2a2d5040) at radeon_drm_queue.c:112
No locals.
#2  0x00007fba204e8d95 in radeon_drm_abort_entry (entry=<optimized out>) at radeon_drm_queue.c:136
No locals.
#3  0x00007fba204f0070 in radeon_do_pageflip (scrn=0x7fba29909c00, client=<optimized out>, new_front=<optimized out>, id=<optimized out>, data=0x7fba00000000, ref_crtc_hw_id=0, 
    handler=0x7fba204e60d0 <radeon_dri2_flip_event_handler>, abort=0x7fba204e6090 <radeon_dri2_flip_event_abort>) at drmmode_display.c:2350
        info = <optimized out>
        config = <optimized out>
        drmmode_crtc = <optimized out>
        drmmode = 0x7fba28c54898
        pitch = <optimized out>
        i = <optimized out>
        old_fb_id = 58
        tiling_flags = 684015376
        height = <optimized out>
        emitted = -1
        flipdata = 0x7fba298ffd10
        flipcarrier = <optimized out>
        drm_queue = 0x7fba278536c8
#4  0x00007fba204e7c58 in radeon_dri2_schedule_flip (front=<optimized out>, back=<optimized out>, target_msc=<optimized out>, data=<optimized out>, func=<optimized out>, 
    draw=<optimized out>, client=<optimized out>, scrn=<optimized out>) at radeon_dri2.c:652
        crtc = 0x7fba29418e20
        flip_info = 0x0
#5  radeon_dri2_frame_event_handler (scrn=0x7fba28c53f10, seq=452006, usec=7539803875, event_data=0x7fba2a258310) at radeon_dri2.c:811
        drawable = 0x7fba298f3d60
        status = 0
        swap_type = 697302288
        region = {extents = {x1 = 10432, y1 = 12864, x2 = 32764, y2 = 0}, data = 0x7fba279502d4 <DeliverEventsToWindow+404>}
        __func__ = "radeon_dri2_frame_event_handler"
#6  0x00007fba204e8cab in radeon_drm_queue_handler (fd=<optimized out>, frame=<optimized out>, sec=<optimized out>, usec=<optimized out>, user_ptr=<optimized out>)
    at radeon_drm_queue.c:67
        user_data = <optimized out>
        e = 0x7fba2a41d810
        tmp = <optimized out>
#7  0x00007fba26973216 in drmHandleEvent () from /usr/lib/libdrm.so.2
No symbol table info available.
#8  0x00007fba2794668b in WakeupHandler (result=result@entry=1, pReadmask=pReadmask@entry=0x7fba27d398c0 <LastSelectMask>) at dixutils.c:423
        i = <optimized out>
        j = <optimized out>
#9  0x00007fba27a95993 in WaitForSomething (pClientsReady=pClientsReady@entry=0x7fba297da480) at WaitFor.c:229
        i = 1
        waittime = {tv_sec = 0, tv_usec = 636994}
        wt = 0x7ffc32402d40
        timeout = <optimized out>
---Type <return> to continue, or q <return> to quit---
        clientsReadable = {fds_bits = {0 <repeats 16 times>}}
        clientsWritable = {fds_bits = {140437537525584, 140437506079485, 0, 32, 140721151553344, 140437537356624, 140721151553056, 0, 176093659168, 140437537987584, 
            140721151553344, 32, 140437530032384, 140437530376176, 140437530032384, 140437508823904}}
        selecterr = 11
        nready = 0
        devicesReadable = {fds_bits = {0, -6006550653515032320, 140437537356624, 140437537987584, 32, 0, 140437548450256, 140721151553344, 140437537356624, 140437506081262, 24, 
            7539803875, 452006, -6006550653515032320, 140437525278704, 0}}
        now = <optimized out>
        someReady = <optimized out>
#10 0x00007fba27941851 in Dispatch () at dispatch.c:361
        clientReady = 0x7fba297da480
        result = <optimized out>
        client = <optimized out>
        nready = <optimized out>
        icheck = 0x7fba27d32980 <checkForInput>
        start_tick = <optimized out>
#11 0x00007fba27945b4b in dix_main (argc=10, argv=0x7ffc32403158, envp=<optimized out>) at main.c:298
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
#12 0x00007fba257eb800 in __libc_start_main () from /usr/lib/libc.so.6
No symbol table info available.
#13 0x00007fba27930099 in _start ()
No symbol table info available.