kib d37c93f028 Never zero-out db_last_symtab. Whan backtraces are done
in parallel in several threads, one symbol lookup could
clear db_last_symtab when another one going to use it as
starting point for traversal.

Approved by:	pjd (mentor)
MFC after:	1 month
2006-06-16 16:17:52 +00:00
..
2005-12-04 02:12:43 +00:00
2006-04-21 20:39:51 +00:00