Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x00007f8556d77a07 in sna_accel_inactive (sna=0x127ca80) at sna_accel.c:8772
8772				DBG(("%s: discarding GPU bo handle=%d (success? %d)\n",
#0  0x00007f8556d77a07 in sna_accel_inactive (sna=0x127ca80)
    at sna_accel.c:8772
        ret = true
        priv = 0x17277f0
        next = 0x208ff40
        preserve = {next = 0x21225c0, prev = 0x2050ce0}
        __FUNCTION__ = "sna_accel_inactive"
#1  0x00007f8556d7820a in sna_accel_block_handler (sna=0x127ca80)
    at sna_accel.c:8958
No locals.
#2  0x00007f8556d8ae31 in sna_block_handler (i=0, data=0x127ca80, 
    timeout=0x7fffe3af6d78, read_mask=0x7d2a60) at sna_driver.c:593
        sna = 0x127ca80
        tv = 0x7fffe3af6d78
        __FUNCTION__ = "sna_block_handler"
#3  0x0000000000434321 in BlockHandler (pTimeout=0x7fffe3af6d78, 
    pReadmask=0x7d2a60) at dixutils.c:385
        i = <optimized out>
        j = <optimized out>
#4  0x000000000055103d in WaitForSomething (pClientsReady=0x166e350)
    at WaitFor.c:219
        i = <optimized out>
        waittime = {tv_sec = 79, tv_usec = 451000}
        wt = 0x7fffe3af6d80
        timeout = <optimized out>
        clientsReadable = {fds_bits = {0 <repeats 16 times>}}
        clientsWritable = {fds_bits = {23950640, 4611686022766398186, 
            34832480, 0, 0, 16, 34832480, 5615997, 140737013312704, 5622086, 
            140737013312896, 5595682, 23950640, 120293497904, 140733193388032, 
            4512512}}
        curclient = <optimized out>
        selecterr = <optimized out>
        nready = 0
        devicesReadable = {fds_bits = {140737013312544, 19645184, 19645104, 
            8166896, 140737013312576, 4410280, 140737013312668, 44042986, 
            23950640, 140737013312856, 140737013312736, 5024533, 23950640, 
            4611686022722355248, 140737013312768, 140737013312672}}
        now = <optimized out>
        someReady = <optimized out>
#5  0x00000000004308d0 in Dispatch () at dispatch.c:381
        clientReady = 0x166e350
        result = <optimized out>
        client = <optimized out>
        nready = <optimized out>
        icheck = 0x7d0d90
        start_tick = <optimized out>
#6  0x0000000000421384 in main (argc=6, argv=0x7fffe3af6f68, 
    envp=<optimized out>) at main.c:287
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
Detaching from program: /usr/bin/Xorg, process 9693