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From: Garrett Cooper <ngie@FreeBSD.org>
Date: Wed, 27 Jan 2016 07:06:49 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r294899 - head/contrib/netbsd-tests/lib/libc/sys
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Author: ngie
Date: Wed Jan 27 07:06:49 2016
New Revision: 294899
URL: https://svnweb.freebsd.org/changeset/base/294899

Log:
  Add debug output via ATF_REQUIRE_MSG when the first call to
  mlock(2) fails
  
  This helps identify the problem with running this test on my VM
  hosts (ENOMEM)
  
  MFC after: 3 days
  Sponsored by: EMC / Isilon Storage Division

Modified:
  head/contrib/netbsd-tests/lib/libc/sys/t_mincore.c

Modified: head/contrib/netbsd-tests/lib/libc/sys/t_mincore.c
==============================================================================
--- head/contrib/netbsd-tests/lib/libc/sys/t_mincore.c	Wed Jan 27 06:38:03 2016	(r294898)
+++ head/contrib/netbsd-tests/lib/libc/sys/t_mincore.c	Wed Jan 27 07:06:49 2016	(r294899)
@@ -206,7 +206,8 @@ ATF_TC_BODY(mincore_resid, tc)
 		    "might be low on memory");
 
 #ifdef __FreeBSD__
-	ATF_REQUIRE(mlock(addr, npgs * page) == 0);
+	ATF_REQUIRE_MSG(mlock(addr, npgs * page) == 0, "mlock failed: %s",
+	    strerror(errno));
 #endif
 	ATF_REQUIRE(check_residency(addr, npgs) == npgs);
 	ATF_REQUIRE(munmap(addr, npgs * page) == 0);