Comment #2 on issue 24416 by [email protected]:
DnsMasterTest.MassiveConcurrentLookupTest hangs under ThreadSanitizer and
Intel Parallel Inspector
http://code.google.com/p/chromium/issues/detail?id=24416
Attached is the report I got while running
nice -n10 ./tools/valgrind/chrome_tests.sh --test unit --tool
tsan --gtest_filter="*MassiveConcurrent*" 2>&1
with "hammer -C build unit_tests" in parallel (to slow down ThreadSanitizer)
Also, the source was patched by the attached patch to
a) decrease the number of requests to DnsMaster
b) enable verbose logging
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Looks like some actions/callbacks are dropped by timeout.
As the result, the condition the test is waiting for is never met.
Seems like this can happen event without ThreadSanitizer/I.P.I.
instrumentation
Attachments:
DnsMaster_Hang.report 9.0 KB
DnsMaster_hang.patch 1.2 KB
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