Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007fc041e09cf3 in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
No symbol table info available.
#2  0x00007fc041e0e4b2 in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
No symbol table info available.
#3  0x00007fc041e6e9e8 in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
No symbol table info available.
#4  0x00007fc041e87c9f in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
No symbol table info available.
#5  0x0000000000562adc in dri2_copy_region (pDraw=pDraw@entry=0x18a85e0, pRegion=pRegion@entry=0x183d300, pDest=0x18d1690, pSrc=0x1796fb0)
    at dri2.c:871
        pPriv = 0x1858be0
#6  0x00000000005631fe in DRI2CopyRegion (pDraw=0x18a85e0, pRegion=0x183d300, dest=0, src=1) at dri2.c:912
        pPriv = <optimized out>
        pDestBuffer = <optimized out>
        pSrcBuffer = <optimized out>
        i = <optimized out>
#7  0x00000000005655d3 in ProcDRI2CopyRegion (client=0x1840d70) at dri2ext.c:332
        rep = {type = 112 'p', pad1 = 13 '\r', sequenceNumber = 388, length = 0, pad2 = 5156657, pad3 = 0, pad4 = 25431408, pad5 = 0, 
          pad6 = 0, pad7 = 0}
        status = <optimized out>
        stuff = 0x1691610
        pDrawable = 0x18a85e0
        pRegion = 0x183d300
#8  ProcDRI2Dispatch (client=0x1840d70) at dri2ext.c:609
        stuff = 0x1691610
#9  0x0000000000438e0f in Dispatch () at dispatch.c:432
        clientReady = 0x15ec0d0
        result = <optimized out>
        client = 0x1840d70
        nready = 0
        icheck = 0x829280 <checkForInput>
        start_tick = 0
#10 0x000000000043cf0b in dix_main (argc=14, argv=0x7ffe89fccd98, envp=<optimized out>) at main.c:298
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
#11 0x00007fc047201610 in __libc_start_main () from /usr/lib/libc.so.6
No symbol table info available.
#12 0x0000000000427319 in _start ()
No symbol table info available.
Detaching from program: /usr/lib/xorg-server/Xorg, process 374