dmesg:
[  174.877153] unity8-dash[2728]: segfault at 70 ip 00007f67d497c984 sp 00007ffe8895e3b0 error 6 in libQt5Core.so.5.6.1[7f67d48d7000+4c6000]
[  187.475845] unity8-dash[3101]: segfault at 70 ip 00007f12fdb74984 sp 00007ffc0544c3e0 error 6 in libQt5Core.so.5.6.1[7f12fdacf000+4c6000]
[  238.719537] perf: interrupt took too long (2551 > 2500), lowering kernel.perf_event_max_sample_rate to 78250
[  252.793405] unity8-dash[4714]: segfault at 70 ip 00007fd3ddb34984 sp 00007ffd4bfcfab0 error 6 in libQt5Core.so.5.6.1[7fd3dda8f000+4c6000]
[  265.401260] unity8-dash[5023]: segfault at 70 ip 00007f56dffc8984 sp 00007ffca23a0100 error 6 in libQt5Core.so.5.6.1[7f56dff23000+4c6000]
[  277.993564] unity8-dash[5320]: segfault at 70 ip 00007fbb5032b984 sp 00007ffe802a2800 error 6 in libQt5Core.so.5.6.1[7fbb50286000+4c6000]
[  285.183803] perf: interrupt took too long (3191 > 3188), lowering kernel.perf_event_max_sample_rate to 62500
[  290.306736] unity8-dash[5626]: segfault at 70 ip 00007ff01a195984 sp 00007fff65fefc60 error 6 in libQt5Core.so.5.6.1[7ff01a0f0000+4c6000]
[  302.666145] unity8-dash[5914]: segfault at 70 ip 00007f9a042c0984 sp 00007ffc955e49b0 error 6 in libQt5Core.so.5.6.1[7f9a0421b000+4c6000]
[  589.612686] perf: interrupt took too long (4009 > 3988), lowering kernel.perf_event_max_sample_rate to 49750
[  591.084779] unity8-dash[7350]: segfault at 70 ip 00007fe60eb3e984 sp 00007ffc14829ec0 error 6 in libQt5Core.so.5.6.1[7fe60ea99000+4c6000]
[  603.828240] unity8-dash[7646]: segfault at 7fec58a680f8 ip 00007fec75ad29e5 sp 00007fff71748c80 error 7 in libQt5Core.so.5.6.1[7fec75a2d000+4c6000]
[  616.516594] unity8-dash[7942]: segfault at 7f6e06de70f8 ip 00007f6e2be529e5 sp 00007fff70319a20 error 7 in libQt5Core.so.5.6.1[7f6e2bdad000+4c6000]
[  628.953358] unity8-dash[8244]: segfault at 70 ip 00007f6b8ffcf984 sp 00007ffc0625b4c0 error 6 in libQt5Core.so.5.6.1[7f6b8ff2a000+4c6000]
[  641.422200] unity8-dash[8555]: segfault at 70 ip 00007f33199dc984 sp 00007ffcaa9970a0 error 6 in libQt5Core.so.5.6.1[7f3319937000+4c6000]
[  784.955520] unity8-dash[9150]: segfault at 70 ip 00007f89bff92984 sp 00007fff3afe0aa0 error 6 in libQt5Core.so.5.6.1[7f89bfeed000+4c6000]
[  797.465281] unity8-dash[9447]: segfault at 70 ip 00007fb0398f5984 sp 00007ffdb842a230 error 6 in libQt5Core.so.5.6.1[7fb039850000+4c6000]
[  805.024075] perf: interrupt took too long (5044 > 5011), lowering kernel.perf_event_max_sample_rate to 39500
[  978.238697] unity8-dash[10912]: segfault at 70 ip 00007f43bb016984 sp 00007ffffe7825e0 error 6 in libQt5Core.so.5.6.1[7f43baf71000+4c6000]
[  990.879361] unity8-dash[11204]: segfault at 70 ip 00007fd662f71984 sp 00007ffc818d0270 error 6 in libQt5Core.so.5.6.1[7fd662ecc000+4c6000]
[ 1003.224196] unity8-dash[11499]: segfault at 7f1bf7614898 ip 00007f1bf71f19e5 sp 00007ffc750c4ba0 error 7 in libQt5Core.so.5.6.1[7f1bf714c000+4c6000]
[ 1015.860341] unity8-dash[11797]: segfault at f0000000a ip 00007f2ddaa839c8 sp 00007ffef440be70 error 4 in libQt5Core.so.5.6.1[7f2dda9de000+4c6000]
[ 1028.268991] unity8-dash[12096]: segfault at 70 ip 00007f65ed456984 sp 00007ffe9af22410 error 6 in libQt5Core.so.5.6.1[7f65ed3b1000+4c6000]
[ 1040.622650] unity8-dash[12390]: segfault at 70 ip 00007f717cdfa984 sp 00007ffc422af5c0 error 6 in libQt5Core.so.5.6.1[7f717cd55000+4c6000]
[ 1053.315821] unity8-dash[12690]: segfault at 1a00000017 ip 00007f3536d579c8 sp 00007ffcf0c99a80 error 4 in libQt5Core.so.5.6.1[7f3536cb2000+4c6000]
[ 1065.776643] unity8-dash[12997]: segfault at 55ef0000000a ip 00007fa89c1989c8 sp 00007fffac69db70 error 4 in libQt5Core.so.5.6.1[7fa89c0f3000+4c6000]
[ 1078.308189] unity8-dash[13290]: segfault at 70 ip 00007f6d8a223984 sp 00007ffe1500d870 error 6 in libQt5Core.so.5.6.1[7f6d8a17e000+4c6000]