#0  0x00007f4571581428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007f457158302a in __GI_abort () at abort.c:89
#2  0x000000000055115a in OsAbort () at ../../src/xserver/os/utils.c:1350
#3  0x00000000005562a3 in AbortServer () at ../../src/xserver/os/log.c:877
#4  0x00000000005570bd in FatalError (f=f@entry=0x599670 "Caught signal %d (%s). Server aborting\n") at ../../src/xserver/os/log.c:1015
#5  0x000000000054e440 in OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at ../../src/xserver/os/osinit.c:156
#6  <signal handler called>
#7  0x00000000004e1bfe in present_vblank_notify (vblank=vblank@entry=0x1f16290, kind=kind@entry=0 '\000', mode=mode@entry=1 '\001', ust=ust@entry=19938741729, crtc_msc=1) at ../../src/xserver/present/present_vblank.c:37
#8  0x00000000004e3420 in present_wnmd_flip_notify (crtc_msc=<optimized out>, ust=19938741729, vblank=<optimized out>) at ../../src/xserver/present/present_wnmd.c:194
#9  present_wnmd_event_notify (window=<optimized out>, event_id=<optimized out>, ust=19938741729, msc=<optimized out>) at ../../src/xserver/present/present_wnmd.c:228
#10 0x0000000000424f97 in xwl_present_sync_callback (data=0x1eb80f0, callback=<optimized out>, time=<optimized out>) at ../../src/xserver/hw/xwayland/xwayland-present.c:282
#11 0x00007f4570a60e40 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#12 0x00007f4570a608ab in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#13 0x00007f4572e30204 in wl_closure_invoke (closure=0x1f13840, flags=<optimized out>, target=0x1d4d030, opcode=0, data=0x1eb80f0) at /home/roman/dev/gfx/wayland/src/wayland/src/connection.c:996
#14 0x00007f4572e2ca7c in dispatch_event (display=display@entry=0x17c50d0, queue=0x17c5198) at /home/roman/dev/gfx/wayland/src/wayland/src/wayland-client.c:1434
#15 0x00007f4572e2df1c in dispatch_queue (queue=0x17c5198, display=0x17c50d0) at /home/roman/dev/gfx/wayland/src/wayland/src/wayland-client.c:1580
#16 wl_display_dispatch_queue_pending (display=0x17c50d0, queue=0x17c5198) at /home/roman/dev/gfx/wayland/src/wayland/src/wayland-client.c:1822
#17 0x00007f4572e2df6c in wl_display_dispatch_pending (display=<optimized out>) at /home/roman/dev/gfx/wayland/src/wayland/src/wayland-client.c:1885
#18 0x000000000041ad2b in xwl_read_events (xwl_screen=0x17c4ee0) at ../../src/xserver/hw/xwayland/xwayland.c:820
#19 0x000000000054eeb1 in ospoll_wait (ospoll=0x17b90d0, timeout=<optimized out>) at ../../src/xserver/os/ospoll.c:651
#20 0x000000000054931b in WaitForSomething (are_ready=0) at ../../src/xserver/os/WaitFor.c:207
#21 0x00000000004833f1 in Dispatch () at ../../src/xserver/dix/dispatch.c:421
#22 0x00000000004876a8 in dix_main (argc=6, argv=0x7ffe3cc61c08, envp=<optimized out>) at ../../src/xserver/dix/main.c:276
#23 0x00007f457156c830 in __libc_start_main (main=0x41a260 <main>, argc=6, argv=0x7ffe3cc61c08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe3cc61bf8) at ../csu/libc-start.c:291
#24 0x000000000041a299 in _start ()