I’ve got the same issue with the most recent 1.5.2 on Ubuntu 18.04. I’m running in a VirtualBox environment with guest utils installed.
insync start --no-daemon
INFO 2018-09-25 23:21:27,626 [__main__insync__:main:105] insync version: 1.5.1.37344
INFO 2018-09-25 23:21:27,629 [__main__insync__:main:106] client created <ideskmain.client.Client object at 0x7f90af3ea610>
INFO 2018-09-25 23:21:27,630 [unix_socket_server_portable:start:49] unix socket server thread start
INFO 2018-09-25 23:21:27,631 [__main__insync__:main:114] starting client
INFO 2018-09-25 23:21:27,642 [fswatch:_start:532] LinuxFSWatcher._start
INFO 2018-09-25 23:21:27,644 [fswatch:_pull_loop:267] Inotify loop enter
libpng warning: iCCP: known incorrect sRGB profile
OpenGL Warning: glXCreatePbuffer not implemented by Chromium
[1629:1699:0925/232127.757982:ERROR:gl_surface_glx_qt.cpp(186)] glXCreatePbuffer failed.
Received signal 11 SEGV_MAPERR 000000000000
#0 0x7f90b2d8c95f <unknown>
#1 0x7f90b17be85d <unknown>
#2 0x7f90b2d8ce6e <unknown>
#3 0x7f90eac68890 <unknown>
#4 0x7f90b182008d <unknown>
#5 0x7f90b180b828 <unknown>
#6 0x7f90b38c8add <unknown>
#7 0x7f90b1b0f411 <unknown>
#8 0x7f90b1b10c05 <unknown>
#9 0x7f90b3d7eea7 <unknown>
#10 0x7f90b55b5c65 <unknown>
#11 0x7f90b2df5315 <unknown>
#12 0x7f90b2df06b0 <unknown>
#13 0x7f90eac5d6db start_thread
#14 0x7f90e9fc488f clone
r8: 0000000000000000 r9: 0000000000000000 r10: 00007f90cc000b00 r11: 0000000000000000
r12: 00007f9077ffe710 r13: 00007f9077ffe9e0 r14: 00007f90b181ffe0 r15: 00007f9077ffe8d0
di: 0000000000000000 si: 0000558bb2441bb0 bp: 00007f9077ffe6f0 bx: 00007f90cc0062d0
dx: 0000000000000021 ax: 00007f90b7ec0ad0 cx: 00007f9077ffe530 sp: 00007f9077ffe530
ip: 00007f90b182008d efl: 0000000000010202 cgf: 002b000000000033 erf: 0000000000000004
trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.
and
sudo ldconfig -p | grep -i gl.so
libwayland-egl.so.1 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libwayland-egl.so.1
libcogl.so.20 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libcogl.so.20
libQt5OpenGL.so.5 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libQt5OpenGL.so.5
libGL.so.1 (libc6,x86-64) => /usr/lib/virtualbox/additions/libGL.so.1
libGL.so.1 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libGL.so.1
libGL.so (libc6,x86-64) => /usr/lib/virtualbox/additions/libGL.so
libEGL.so.1 (libc6,x86-64) => /usr/lib/virtualbox/additions/libEGL.so.1
libEGL.so.1 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libEGL.so.1
libEGL.so (libc6,x86-64) => /usr/lib/virtualbox/additions/libEGL.so