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https://issues.apache.org/jira/browse/MESOS-449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639934#comment-13639934
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Thomas Marshall commented on MESOS-449:
---------------------------------------
Sorry, I was basing that on the fact that ASSERT_FUTURE_WILL_SUCCEED doesn't
sound like it would wait, and replacing it with AWAIT_UNTIL seemed to fix the
problem. However, I have not been able to reproduce the fix, so apparently I
was wrong.
This is still an issue, though, so to expand a little on what I'm seeing: I'm
certain that no hierarchies are being mounted except by running the tests. Test
failures are nondeterministic, and in fact I can run the cgroups tests
repeatedly and have a different random set of tests fail each time, though it
seems to only affect the CgroupsAny* and CgroupsNo* tests.
> CgroupsTests don't do proper cleanup
> ------------------------------------
>
> Key: MESOS-449
> URL: https://issues.apache.org/jira/browse/MESOS-449
> Project: Mesos
> Issue Type: Bug
> Reporter: Thomas Marshall
>
> On Ubuntu 12.04, I get failures similar to the following:
> [----------] 1 test from CgroupsNoHierarchyTest
> [ RUN ]
> CgroupsNoHierarchyTest.ROOT_CGROUPS_NOHIERARCHY_MountUnmountHierarchy
> ../../src/tests/cgroups_tests.cpp:250: Failure
> cgroups::mount(TEST_CGROUPS_HIERARCHY, "cpu,memory"): 'cpu' is already
> attached to another hierarchy
> [ FAILED ]
> CgroupsNoHierarchyTest.ROOT_CGROUPS_NOHIERARCHY_MountUnmountHierarchy (0 ms)
> [----------] 1 test from CgroupsNoHierarchyTest (0 ms total)
> [----------] 1 test from CgroupsAnyHierarchyWithCpuAcctMemoryTest
> [ RUN ] CgroupsAnyHierarchyWithCpuAcctMemoryTest.ROOT_CGROUPS_Stat
> ../../src/tests/cgroups_tests.cpp:116: Failure
> cgroups::mount(TEST_CGROUPS_HIERARCHY, subsystems): 'memory' is already
> attached to another hierarchy
> -------------------------------------------------------------
> We cannot run any cgroups tests that require
> a hierarchy with subsystems 'cpuacct,memory'
> because we failed to find an existing hierarchy
> or create a new one. You can either remove all existing
> hierarchies, or disable this test case
> (i.e., --gtest_filter=-CgroupsAnyHierarchyWithCpuAcctMemoryTest.*).
> -------------------------------------------------------------
> ../../src/tests/cgroups_tests.cpp:147: Failure
> exists: '' is not a valid hierarchy
> [ FAILED ] CgroupsAnyHierarchyWithCpuAcctMemoryTest.ROOT_CGROUPS_Stat (0 ms)
> [----------] 1 test from CgroupsAnyHierarchyWithCpuAcctMemoryTest (0 ms total)
> [----------] 3 tests from CgroupsAnyHierarchyWithCpuMemoryFreezerTest
> [ RUN ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Freeze
> ../../src/tests/cgroups_tests.cpp:116: Failure
> cgroups::mount(TEST_CGROUPS_HIERARCHY, subsystems): 'cpu' is already attached
> to another hierarchy
> -------------------------------------------------------------
> We cannot run any cgroups tests that require
> a hierarchy with subsystems 'cpu,memory,freezer'
> because we failed to find an existing hierarchy
> or create a new one. You can either remove all existing
> hierarchies, or disable this test case
> (i.e., --gtest_filter=-CgroupsAnyHierarchyWithCpuMemoryFreezerTest.*).
> -------------------------------------------------------------
> ../../src/tests/cgroups_tests.cpp:147: Failure
> exists: '' is not a valid hierarchy
> [ FAILED ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Freeze
> (1 ms)
> [ RUN ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Kill
> ../../src/tests/cgroups_tests.cpp:116: Failure
> cgroups::mount(TEST_CGROUPS_HIERARCHY, subsystems): 'cpu' is already attached
> to another hierarchy
> -------------------------------------------------------------
> We cannot run any cgroups tests that require
> a hierarchy with subsystems 'cpu,memory,freezer'
> because we failed to find an existing hierarchy
> or create a new one. You can either remove all existing
> hierarchies, or disable this test case
> (i.e., --gtest_filter=-CgroupsAnyHierarchyWithCpuMemoryFreezerTest.*).
> -------------------------------------------------------------
> ../../src/tests/cgroups_tests.cpp:147: Failure
> exists: '' is not a valid hierarchy
> [ FAILED ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Kill (1
> ms)
> [ RUN ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Destroy
> ../../src/tests/cgroups_tests.cpp:116: Failure
> cgroups::mount(TEST_CGROUPS_HIERARCHY, subsystems): 'cpu' is already attached
> to another hierarchy
> -------------------------------------------------------------
> We cannot run any cgroups tests that require
> a hierarchy with subsystems 'cpu,memory,freezer'
> because we failed to find an existing hierarchy
> or create a new one. You can either remove all existing
> hierarchies, or disable this test case
> (i.e., --gtest_filter=-CgroupsAnyHierarchyWithCpuMemoryFreezerTest.*).
> -------------------------------------------------------------
> ../../src/tests/cgroups_tests.cpp:147: Failure
> exists: '' is not a valid hierarchy
> [ FAILED ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Destroy
> (0 ms)
> [----------] 3 tests from CgroupsAnyHierarchyWithCpuMemoryFreezerTest (2 ms
> total)
> [----------] Global test environment tear-down
> [==========] 19 tests from 6 test cases ran. (12691 ms total)
> [ PASSED ] 14 tests.
> [ FAILED ] 5 tests, listed below:
> [ FAILED ]
> CgroupsNoHierarchyTest.ROOT_CGROUPS_NOHIERARCHY_MountUnmountHierarchy
> [ FAILED ] CgroupsAnyHierarchyWithCpuAcctMemoryTest.ROOT_CGROUPS_Stat
> [ FAILED ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Freeze
> [ FAILED ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Kill
> [ FAILED ] CgroupsAnyHierarchyWithCpuMemoryFreezerTest.ROOT_CGROUPS_Destroy
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