[llvm-testresults] buildbot failure in lab.llvm.org on libcxx_clang-x86_64-darwin11-RA

[llvmlab-buildmaster at lab.llvm.org]

The Buildbot has detected a failed build on builder libcxx_clang-x86_64-darwin11-RA while building lab.llvm.org.
Full details are available at:
 http://lab.llvm.org:8013/builders/libcxx_clang-x86_64-darwin11-RA/builds/161

Buildbot URL: http://lab.llvm.org:8013/

Buildslave for this Build: xserve4

Build Reason: Triggerable(phase4-stage0)
Build Source Stamp: 183237
Blamelist: 

BUILD FAILED: failed test.libcxx.system

sincerely,
 -The Buildbot


================================================================================

CHANGES:


LOGS:
Last 15 lines of 'stdio':
	PASS: libc++ :: utilities/utility/pairs/pairs.pair/rv_pair_U_V.pass.cpp (4384 of 4390)
	PASS: libc++ :: utilities/utility/pairs/pairs.spec/comparison.pass.cpp (4385 of 4390)
	PASS: libc++ :: utilities/utility/pairs/pairs.spec/non_member_swap.pass.cpp (4386 of 4390)
	PASS: libc++ :: utilities/utility/version.pass.cpp (4387 of 4390)
	PASS: libc++ :: utilities/utility/pairs/pairs.spec/make_pair.pass.cpp (4388 of 4390)
	PASS: libc++ :: utilities/utility/utility.swap/swap.pass.cpp (4389 of 4390)
	PASS: libc++ :: utilities/utility/utility.swap/swap_array.pass.cpp (4390 of 4390)
	Testing Time: 759.57s
	********************
	Failing Tests (1):
	    libc++ :: thread/thread.condition/thread.condition.condvar/wait_for_pred.pass.cpp
	
	  Expected Passes    : 4348
	  Expected Failures  : 41
	  Unexpected Failures: 1

Last 15 lines of 'libc++ :: thread__thread.condition__thread.condition.condvar__wait_for_pred.pass.cpp':
	******************** TEST 'libc++ :: thread/thread.condition/thread.condition.condvar/wait_for_pred.pass.cpp' FAILED ********************
	Compiled With: '/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.libcxx_clang-x86_64-darwin11-RA/host-compiler/bin/clang++' '-o' '/var/folders/_s/4_4ptjx54tq6cyfjg154ygbh0000gn/T/tmpwV2SYpexe' '/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.libcxx_clang-x86_64-darwin11-RA/sources/test/thread/thread.condition/thread.condition.condvar/wait_for_pred.pass.cpp' '-nostdinc++' '-std=c++0x' '-I/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.libcxx_clang-x86_64-darwin11-RA/sources/include' '-I/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.libcxx_clang-x86_64-darwin11-RA/sources/test/support' '-nodefaultlibs' '-L/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.libcxx_clang-x86_64-darwin11-RA/sources/lib' '-lc++' '-lSystem'
	Command: '/var/folders/_s/4_4ptjx54tq6cyfjg154ygbh0000gn/T/tmpwV2SYpexe'
	Exit Code: -6
	Standard Error:
	--
	Assertion failed: (t1 - t0 - milliseconds(250) < milliseconds(50)), function f, file /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.libcxx_clang-x86_64-darwin11-RA/sources/test/thread/thread.condition/thread.condition.condvar/wait_for_pred.pass.cpp, line 61.
	--
	
	Compiled test failed unexpectedly!
	********************