Program received signal SIGSEGV, Segmentation fault.
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:671
671         return radeon_do_pageflip(scrn, client, bo->handle,
(gdb) cont
Continuing.

Program received signal SIGABRT, Aborted.
0x00007fc675dfd4b7 in raise () from /usr/lib/libc.so.6
(gdb) bt f
#0  0x00007fc675dfd4b7 in raise () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x00007fc675dfe88a in abort () from /usr/lib/libc.so.6
No symbol table info available.
#2  0x00007fc67809e01e in OsAbort () at utils.c:1342
No locals.
#3  0x00007fc677f814cc in ddxGiveUp (error=error@entry=EXIT_ERR_ABORT) at xf86Init.c:1065
        i = <optimized out>
#4  0x00007fc677f81586 in AbortDDX (error=error@entry=EXIT_ERR_ABORT) at xf86Init.c:1109
        i = <optimized out>
#5  0x00007fc6780a3a92 in AbortServer () at log.c:784
No locals.
#6  0x00007fc6780a489d in FatalError (f=f@entry=0x7fc6780ce1b0 "Caught signal %d (%s). Server aborting\n") at log.c:925
        args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffa91a1460, reg_save_area = 0x7fffa91a1390}}
        args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7fffa91a1460, reg_save_area = 0x7fffa91a1390}}
        beenhere = 1
#7  0x00007fc67809b98c in OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at osinit.c:147
        unused = <optimized out>
        sip = <optimized out>
        signo = 11
#8  <signal handler called>
No symbol table info available.
#9  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:671
        crtc = 0x7fc67a15a950
        flip_info = 0x7fc67add3330
#10 radeon_dri2_frame_event_handler (scrn=0x7fc679568c50, seq=342347, usec=5712230332, event_data=0x7fc67a5f2cf0) at radeon_dri2.c:827
        drawable = 0x7fc67a239060
        status = 0
        swap_type = -1457907984
        region = {extents = {x1 = 0, y1 = 0, x2 = 32710, y2 = 0}, data = 0x7fffa91a19a0}
        __func__ = "radeon_dri2_frame_event_handler"
#11 0x00007fc670ae675b 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 = 0x7fc67a6344c0
        tmp = <optimized out>
#12 0x00007fc676f72216 in drmHandleEvent () from /usr/lib/libdrm.so.2
No symbol table info available.
#13 0x00007fc677f4568b in WakeupHandler (result=result@entry=1, pReadmask=pReadmask@entry=0x7fc6783388c0 <LastSelectMask>) at dixutils.c:423
        i = <optimized out>
        j = <optimized out>
#14 0x00007fc678094993 in WaitForSomething (pClientsReady=pClientsReady@entry=0x7fc67a0f9fb0) at WaitFor.c:229
        i = 1
        waittime = {tv_sec = 0, tv_usec = 444992}
        wt = 0x7fffa91a1e60
        timeout = <optimized out>
---Type <return> to continue, or q <return> to quit---
        clientsReadable = {fds_bits = {0 <repeats 16 times>}}
        clientsWritable = {fds_bits = {140490429360608, 140490394151677, 0, 32, 140736030449760, 140490429361856, 140736030449472, 0, 180388626464, 140490429372000, 
            140736030449760, 32, 140490421838224, 140490420915040, 140490421838224, 140490396896096}}
        selecterr = 11
        nready = 0
        devicesReadable = {fds_bits = {0, 4973981633717694720, 140490429361856, 140490429372000, 32, 0, 140490441609968, 140736030449760, 140490429361856, 140490394153454, 24, 
            5712230332, 342347, 4973981633717694720, 140490416627872, 0}}
        now = <optimized out>
        someReady = <optimized out>
#15 0x00007fc677f40851 in Dispatch () at dispatch.c:361
        clientReady = 0x7fc67a0f9fb0
        result = <optimized out>
        client = <optimized out>
        nready = <optimized out>
        icheck = 0x7fc678331980 <checkForInput>
        start_tick = <optimized out>
#16 0x00007fc677f44b4b in dix_main (argc=10, argv=0x7fffa91a2278, envp=<optimized out>) at main.c:298
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
#17 0x00007fc675dea800 in __libc_start_main () from /usr/lib/libc.so.6
No symbol table info available.
#18 0x00007fc677f2f099 in _start ()
No symbol table info available.