#0 0xaffa0ece in ?? () from /usr/lib/libreoffice/program/../program/libclucene.so No symbol table info available. #1 0xaffa007a in lucene::index::IndexFileNames::fileNameFromGeneration(char const*, char const*, long long) () from /usr/lib/libreoffice/program/../program/libclucene.so No symbol table info available. #2 0xbed80f4c in ?? () Cannot access memory at address 0x0 No symbol table info available. #3 0xbed80f4c in ?? () Cannot access memory at address 0x0 No symbol table info available. Backtrace stopped: previous frame identical to this frame (corrupt stack?)