This happens for me from time to time as well. I haven't been able to pinpoint it to some specific action I'm doing, seems random to me.
** Changed in: libreoffice (Ubuntu) Status: Expired => Confirmed -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libreoffice in Ubuntu. https://bugs.launchpad.net/bugs/1645839 Title: soffice.bin crashed wih sigsegv in __dynamic_cast() Status in libreoffice package in Ubuntu: Confirmed Bug description: Crash says: Segfault happened at: 0x7f9a1e5affc3 <__dynamic_cast+83>: mov (%r8),%rax PC (0x7f9a1e5affc3) ok source "(%r8)" (0x088e64d0) not located in a known VWA region (needed readable region)! destination "%rax" ok I using ubuntu 16.04.1. The core: libreoffice-core 1:5.1.4-0ubuntu1 Crash when move text object position. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1645839/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp