I do not know why, but:
Mar 22 18:20:43 ws24 kernel: [20245.803782] index_builder[7016]: segfault at 7b665c711eac ip 000000000057a17c sp 00007f667994c4c0 error 4 in sublime_text[4c5000+545000]
Mar 22 18:20:43 ws24 kernel: [20245.803801] Code: 89 64 24 20 e9 55 01 00 00 48 83 3f 00 0f 84 43 01 00 00 48 8b 04 24 48 89 44 24 08 48 89 7c 24 38 48 8d 5f 08 45 31 f6 eb 20 <0f> b7 6b 0c 4c 89 ef 48 89 de e8 6d 0a 00 00 b0 01 66 85 ed 74 03
Happens while do nothing with sublime text, I think index_builder is a background process