Author: dgilmore
Date: 2011-10-12 20:02:00 -0400 (Wed, 12 Oct 2011)
New Revision: 3761
Modified:
trunk/osprey/driver/main.c
Log:
Fix bug 744 (problem with -pg option and -HP options
that map program segments using huge pages).
Approved by David Coakley.
Modified: trunk/osprey/driver/main.c
===================================================================
--- trunk/osprey/driver/main.c 2011-10-12 06:54:09 UTC (rev 3760)
+++ trunk/osprey/driver/main.c 2011-10-13 00:02:00 UTC (rev 3761)
@@ -595,6 +595,15 @@
|| desc->alloc == ALLOC_BDT)) {
BD_or_BDT_with_1GBP = TRUE;
}
+ if (option_was_seen(O_pg) &&
+ (desc->alloc == ALLOC_BD || desc->alloc == ALLOC_BDT)) {
+ /* See bug 744, libhugetlbfs doesn't detect that the
+ * allocation of data structures by the profiling library
+ * code, which causes a program fault after the data section
+ * is copied and remapped using huge pages.
+ */
+ error("-pg and -HP:bdt or -HP:bd are currently
incompatible");
+ }
}
/* With BD or BDT mappings using 1GB pages, the rest
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