Exact same issue here.
“insync show”
Traceback (most recent call last):
File "isyncd/linux/headless/cli.py", line 108, in ipc_insync
File "socket.py", line 228, in meth
error: [Errno 111] Connection refused
and “insync start --no-daemon”
INFO 2018-09-13 16:03:23,676 [__main__insync__:main:98] insync version: 1.5.1.37343
INFO 2018-09-13 16:03:23,677 [__main__insync__:main:99] client created <ideskmain.client.Client object at 0x7f3545570b10>
INFO 2018-09-13 16:03:23,677 [unix_socket_server_portable:start:49] unix socket server thread start
INFO 2018-09-13 16:03:23,678 [__main__insync__:main:107] starting client
INFO 2018-09-13 16:03:23,681 [fswatch:_start:532] LinuxFSWatcher._start
INFO 2018-09-13 16:03:23,682 [fswatch:_pull_loop:267] Inotify loop enter
libpng warning: iCCP: known incorrect sRGB profile
[0913/160323.700308:WARNING:stack_trace_posix.cc(699)] Failed to open file: /tmp/.glDyyOZG (deleted)
Error: No such file or directory
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
Received signal 11 SEGV_MAPERR 000000000165
#0 0x7f354b47095f <unknown>
#1 0x7f3549ea285d <unknown>
#2 0x7f354b470e6e <unknown>
#3 0x7f35876be390 <unknown>
#4 0x7f34f35ab321 <unknown>
#5 0x7f3549f04949 <unknown>
#6 0x7f3549eef9a8 <unknown>
#7 0x7f354bfacadd <unknown>
#8 0x7f354a1f3411 <unknown>
#9 0x7f354a1f4c05 <unknown>
#10 0x7f354c462ea7 <unknown>
#11 0x7f354dc99c65 <unknown>
#12 0x7f354b4d9315 <unknown>
#13 0x7f354b4d46b0 <unknown>
#14 0x7f35876b46ba start_thread
#15 0x7f3586ac041d clone
r8: 0000000000000000 r9: 0000000000000000 r10: 00000000000000e9 r11: 0000000000000000
r12: 00000000000000ad r13: 000000000000000a r14: 000000000000009a r15: 000000000000000a
di: 0000000002a69734 si: 0000000000000001 bp: 00007f35117f9590 bx: 0000000002a62220
dx: 0000000000000019 ax: 0000000002a69720 cx: 0000000000000001 sp: 00007f35117f9530
ip: 00007f34f35ab321 efl: 0000000000010216 cgf: 002b000000000033 erf: 0000000000000004
trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000165
[end of stack trace]
Calling _exit(1). Core file will not be generated.
[3:3:0100/000000.782978:FATAL:zygote_linux.cc(495)] Check failed: len > 0 (0 vs. 0)
#0 0x7ff48e2b495f <unknown>
#1 0x7ff48e2cfe7c <unknown>
#2 0x7ff48d37fb5a <unknown>
#3 0x7ff48d380988 <unknown>
#4 0x7ff48d380e2b <unknown>
#5 0x7ff48d3813b3 <unknown>
#6 0x7ff48d3817ed <unknown>
#7 0x7ff48d38300c <unknown>
#8 0x7ff48e279b8c <unknown>
#9 0x7ff48e27a1df <unknown>
#10 0x7ff48f4a6d24 <unknown>
#11 0x7ff48e278e75 <unknown>
#12 0x7ff48cd4b453 QtWebEngine::processMain()
#13 0x000000400bad main
#14 0x7ff488e8e830 __libc_start_main
#15 0x000000400c19 <unknown>
Received signal 6
#0 0x7ff48e2b495f <unknown>
#1 0x7ff48cce685d <unknown>
#2 0x7ff48e2b4e6e <unknown>
#3 0x7ff489aea390 <unknown>
#4 0x7ff488ea3428 gsignal
#5 0x7ff488ea502a abort
#6 0x7ff48e2b33d9 <unknown>
#7 0x7ff48e2cffcf <unknown>
#8 0x7ff48d37fb5a <unknown>
#9 0x7ff48d380988 <unknown>
#10 0x7ff48d380e2b <unknown>
#11 0x7ff48d3813b3 <unknown>
#12 0x7ff48d3817ed <unknown>
#13 0x7ff48d38300c <unknown>
#14 0x7ff48e279b8c <unknown>
#15 0x7ff48e27a1df <unknown>
#16 0x7ff48f4a6d24 <unknown>
#17 0x7ff48e278e75 <unknown>
#18 0x7ff48cd4b453 QtWebEngine::processMain()
#19 0x000000400bad main
#20 0x7ff488e8e830 __libc_start_main
#21 0x000000400c19 <unknown>
r8: 00007ff489234770 r9: 00007ff49367b900 r10: 0000000000000008 r11: 0000000000000206
r12: 00007ff489ad8140 r13: 00007ffcc13a5ee0 r14: 0000000000000053 r15: 00007ff489ad71c0
di: 0000000000000003 si: 0000000000000003 bp: 00007ffcc13a5c80 bx: 00007ffcc13a6410
dx: 0000000000000006 ax: 0000000000000000 cx: 00007ff488ea3428 sp: 00007ffcc13a5b48
ip: 00007ff488ea3428 efl: 0000000000000206 cgf: 002b000000000033 erf: 0000000000000000
trp: 0000000000000000 msk: 0000000000010000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.
Using ubuntu 16.04, haven’t had any problems until I updated today.