Possible this is involved in the crash (from dmesg)?
Sep 5 09:27:17 nbtxc kernel: [ 463.003938] dconf worker[5180]: segfault at 0 ip 00007fd27d2531c0 sp 00007fd271135c48 error 4 in libpthread-2.17.so[7fd27d245000+17000]
Possible this is involved in the crash (from dmesg)?
Sep 5 09:27:17 nbtxc kernel: [ 463.003938] dconf worker[5180]: segfault at 0 ip 00007fd27d2531c0 sp 00007fd271135c48 error 4 in libpthread- 2.17.so[ 7fd27d245000+ 17000]