I found a segfault did happen during this process. However now nothing will happen. If I reindex, same problem happens again, and looks like this segfault also happened in the past.
Jan 22 14:16:20 SLT022 kernel: [51014.467153] tracker-extract[14342]: segfault at 7ffff0ac8f28 ip 00007f42ef344146 sp 00007ffff0ac8f30 error 6 in libxml2.so.2.7.5[7f42ef2cf000+144000]
I found a segfault did happen during this process. However now nothing will happen. If I reindex, same problem happens again, and looks like this segfault also happened in the past.
Jan 22 14:16:20 SLT022 kernel: [51014.467153] tracker- extract[ 14342]: segfault at 7ffff0ac8f28 ip 00007f42ef344146 sp 00007ffff0ac8f30 error 6 in libxml2. so.2.7. 5[7f42ef2cf000+ 144000]