.
Thread 1 (Thread 0x7fd9643f1ec0 (LWP 1131)):
#0  0x00007fd9621627ef in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
        set = {__val = {439951424, 18374686479671623680, 0, 0, 2676586395008836901, 2676586395008836901, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
#1  0x00007fd9621643ea in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0xc8, sa_sigaction = 0xc8}, sa_mask = {__val = {94697543938368, 0, 140571633955840, 140571666162400, 1627455502, 7864320, 140571630580108, 5, 140571630542299, 140571630541440, 0, 94697543938368, 94697543938368, 0, 140571633955840, 140571666162400}}, sa_flags = 1645852002, sa_restorer = 0x1}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x000056207b7334ce in  ()
#3  0x000056207b60affc in  ()
#4  0x000056207b739132 in  ()
#5  0x000056207b739f3d in  ()
#6  0x000056207b730d4e in  ()
#7  0x00007fd962162860 in <signal handler called> () at /lib/x86_64-linux-gnu/libc.so.6
#8  0x00007fd95c7819bc in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#9  0x00007fd95c78d51c in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#10 0x00007fd95c777ec9 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#11 0x00007fd95c55c31a in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#12 0x00007fd95d80767c in  () at /usr/lib/xorg/modules/libglamoregl.so
#13 0x00007fd95d807df2 in  () at /usr/lib/xorg/modules/libglamoregl.so
#14 0x000056207b70c84c in miCopyRegion ()
#15 0x000056207b70ce06 in miDoCopy ()
#16 0x00007fd95d808344 in  () at /usr/lib/xorg/modules/libglamoregl.so
#17 0x000056207b6b4da1 in  ()
#18 0x000056207b6ac602 in  ()
#19 0x000056207b6ad3b2 in  ()
#20 0x000056207b6aeb59 in  ()
#21 0x000056207b6aeb91 in  ()
#22 0x000056207b729450 in  ()
#23 0x000056207b72a214 in WaitForSomething ()
#24 0x000056207b5c61ee in  ()
#25 0x000056207b5ca413 in  ()
#26 0x00007fd96214d3f1 in __libc_start_main (main=0x56207b5b4300, argc=11, argv=0x7ffd1d62b088, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd1d62b078) at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3438349669322234773, 94697508520720, 140725096460416, 0, 0, 8938999726584929173, 8954644862621883285}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffd1d62b0e8, 0x7fd9644d0168}, data = {prev = 0x0, cleanup = 0x0, canceltype = 493007080}}}
        not_first_call = <optimized out>
#27 0x000056207b5b433a in _start ()