HANG (chromium unit_tests)

From bruen...@google.com on May 18, 2013 11:37:32

xref issue #1135 http://build.chromium.org/p/client.drmemory/builders/linux-cr/builds/2206/steps/unit_tests/logs/stdio -------- 3 tests from CpuInfoProviderTest [ RUN ] CpuInfoProviderTest.QueryCpuInfo [ OK ] CpuInfoProviderTest.QueryCpuInfo (4 ms) [ RUN ] CpuInfoProviderTest.DoOnlyOneProcessorCpuSampling

command timed out: 1200 seconds without output, attempting to kill process killed by signal 9 program finished with exit code -1 elapsedTime=1249.050490 http://build.chromium.org/p/client.drmemory/builders/linux-cr/builds/2198/steps/unit_tests/logs/stdio -------- 3 tests from CpuInfoProviderTest [ RUN ] CpuInfoProviderTest.QueryCpuInfo [ OK ] CpuInfoProviderTest.QueryCpuInfo (5 ms) [ RUN ] CpuInfoProviderTest.DoOnlyOneProcessorCpuSampling

command timed out: 1200 seconds without output, attempting to kill process killed by signal 9 program finished with exit code -1 elapsedTime=1250.857305

*** TODO repro locally

on my 1st run of out/Release/unit_tests (no filter) under release DR, it does indeed sit here: [ RUN ] CpuInfoProviderTest.DoOnlyOneProcessorCpuSampling

running CpuInfoProviderTest.* in isolation natively or under DR: runs fine, and quickly.

(gdb) p *heapmgt $2 = { vmheap = { start_addr = 0x541f4000 "", end_addr = 0x5c1f4000 <Address 0x5c1f4000 out of bounds>, alloc_start = 0x0, alloc_size = 134217728, num_blocks = 8192, lock = { lock_requests = -1, contended_event = 0x0 }, num_free_blocks = 5700,

grep libdy /proc/10394/maps 71000000-7114c000 r-xp 00000000 fd:09 2494503 /work/dr/git/exports/lib64/release/libdynamorio.so.4.0 7114c000-7134b000 ---p 0014c000 fd:09 2494503 /work/dr/git/exports/lib64/release/libdynamorio.so.4.0 7134b000-7137e000 rw-p 0014b000 fd:09 2494503 /work/dr/git/exports/lib64/release/libdynamorio.so.4.0

(gdb) thread apply all bt

Thread 8 (Thread 0x7fade6d6e700 (LWP 10395)): #0 0x000000005436d021 in ?? () #1 (closed) 0x00007faded275d58 in ?? () #2 (closed) 0x00000000036eb47d in v8::internal::LinuxSemaphore::Wait() () #3 0x0000000003650d10 in v8::internal::SweeperThread::Run() () #4 (closed) 0x00000000036eb5c5 in v8::internal::ThreadEntry(void*) () #5 (closed) 0x00000032ee207d14 in start_thread () from /lib64/libpthread.so.0 #6 (closed) 0x00000032ed6f168d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fade6d5d700 (LWP 10396)): #0 0x000000005433d021 in ?? () #1 (closed) 0x00007faded2754e8 in ?? () #2 (closed) 0x00000000036eb47d in v8::internal::LinuxSemaphore::Wait() () #3 0x0000000003650d10 in v8::internal::SweeperThread::Run() () #4 (closed) 0x00000000036eb5c5 in v8::internal::ThreadEntry(void*) () #5 (closed) 0x00000032ee207d14 in start_thread () from /lib64/libpthread.so.0 #6 (closed) 0x00000032ed6f168d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fade6d4c700 (LWP 10397)): #0 0x000000005435d03f in ?? () #1 (closed) 0x00007faded275878 in ?? () #2 (closed) 0x00000000036eb47d in v8::internal::LinuxSemaphore::Wait() () #3 0x0000000003650d10 in v8::internal::SweeperThread::Run() () #4 (closed) 0x00000000036eb5c5 in v8::internal::ThreadEntry(void*) () #5 (closed) 0x00000032ee207d14 in start_thread () from /lib64/libpthread.so.0 #6 (closed) 0x00000032ed6f168d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fade6d3b700 (LWP 10398)): #0 0x000000005434d021 in ?? () #1 (closed) 0x00007faded275218 in ?? () #2 (closed) 0x00000000036eb47d in v8::internal::LinuxSemaphore::Wait() () #3 0x0000000003650d10 in v8::internal::SweeperThread::Run() () #4 (closed) 0x00000000036eb5c5 in v8::internal::ThreadEntry(void*) () #5 (closed) 0x00000032ee207d14 in start_thread () from /lib64/libpthread.so.0 #6 (closed) 0x00000032ed6f168d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fade49e5700 (LWP 10413)): #0 0x000000005438d06a in ?? () #1 (closed) 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fade60ff700 (LWP 10529)): #0 0x000000005439d072 in ?? () #1 (closed) 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fade41e4700 (LWP 16164)): #0 0x0000000054521216 in ?? () #1 (closed) 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7faded51c9c0 (LWP 10394)): #0 0x0000000054649710 in ?? () #1 (closed) 0x00007faded1fabb0 in ?? () #2 (closed) 0x0000000000000001 in ?? () #3 0x0000000000000005 in ?? () ---Type to continue, or q to quit--- #4 (closed) 0x0000054200c6f5a0 in ?? () #5 (closed) 0x0000000000000001 in ?? () #6 (closed) 0x00000032efa47af4 in ?? () from /lib64/libglib-2.0.so.0 #7 (closed) 0x00000032efa47c14 in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #8 (closed) 0x00000000039be62f in base::MessagePumpGlib::RunWithDispatcher(base::MessagePump::Delegate_, base::MessagePumpDispatcher_) () #9 0x000000000397a811 in base::MessageLoop::RunInternal() () #10 0x00000000039933f8 in base::RunLoop::Run() () #11 (closed) 0x00000000043bc988 in content::RunThisRunLoop(base::RunLoop*) () #12 (closed) 0x00000000043bc9a4 in content::RunMessageLoop() () #13 (closed) 0x000000000087706a in extensions::CpuInfoProviderTest_DoOnlyOneProcessorCpuSampling_Test::TestBody() () #14 (closed) 0x0000000002d39dba in testing::Test::Run() () #15 (closed) 0x0000000002d39e90 in testing::TestInfo::Run() () #16 0x0000000002d39fcd in testing::TestCase::Run() () #17 (closed) 0x0000000002d3a24d in testing::internal::UnitTestImpl::RunAllTests() () #18 (closed) 0x0000000002d396ce in testing::UnitTest::Run() () #19 (closed) 0x0000000004e15b9b in base:: TestSuite ::Run() () #20 (closed) 0x00000000043d66ba in main ()

nothing obviously wrong: sitting in gtk+ main event loop (g_main_context_iteration)

Original issue: http://code.google.com/p/dynamorio/issues/detail?id=1162