lowriter crashes when trying to save *.docx file to *.odt

I have i *.docx file with annotated changes added by another people. I opened file and immiately saved it as *.odt and got error. In console:
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f191e0f72a2, pid=29040, tid=139746724383040
#
# JRE version: 7.0_09-b30
# Java VM: OpenJDK 64-Bit Server VM (23.2-b09 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# C [libswlo.so+0x7472a2] non-virtual thunk to SwXTextTableCursor::queryInterface(com::sun::star::uno::Type const&)+0x6c82
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# /home/pavel/hs_err_pid29040.log
#
# If you would like to submit a bug report, please include
# instructions on how to reproduce the bug and visit:
# https://bugs.launchpad.net/ubuntu/+source/openjdk-7/
#

[error occurred during error reporting , id 0xb]

Since all information you need, probably in the attached file, i don't know what else should i add.

Pavel.