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https://issues.apache.org/jira/browse/MESOS-4035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15035684#comment-15035684
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Bernd Mathiske edited comment on MESOS-4035 at 12/2/15 11:48 AM:
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It seems that the right "fix" is adding documentation about needing to have
perf support, respectively what to expect on which kinds of VMs on how to set
them up. And also auto-disabling the test (ideally prompting a message about
why then): https://issues.apache.org/jira/browse/MESOS-3471
was (Author: bernd-mesos):
It seems that the right "fix" is adding documentation about needing to have
perf support, respectively what to expect on which kinds of VMs on how to set
them up.
> UserCgroupIsolatorTest.ROOT_CGROUPS_UserCgroup fails on CentOS 6.6
> ------------------------------------------------------------------
>
> Key: MESOS-4035
> URL: https://issues.apache.org/jira/browse/MESOS-4035
> Project: Mesos
> Issue Type: Bug
> Environment: CentOS6.6
> Reporter: Gilbert Song
>
> `ROOT_CGROUPS_UserCgroup` on CentOS6.6 with 0.26rc3. The environment setup on
> CentOS6.6 is based on latest update of /docs/getting-started.md. Either using
> devtoolset-2 or devtoolset-3 returns the same failure.
> If running `sudo ./bin/mesos-tests.sh
> --gtest_filter="*ROOT_CGROUPS_UserCgroup*"`, it would return failures as
> following log:
> {noformat}
> [==========] Running 3 tests from 3 test cases.
> [----------] Global test environment set-up.
> [----------] 1 test from UserCgroupIsolatorTest/0, where TypeParam =
> mesos::internal::slave::CgroupsMemIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup
> ../../src/tests/mesos.cpp:722: Failure
> cgroups::mount(hierarchy, subsystem): '/tmp/mesos_test_cgroup/perf_event'
> already exists in the file system
> -------------------------------------------------------------
> We cannot run any cgroups tests that require
> a hierarchy with subsystem 'perf_event'
> because we failed to find an existing hierarchy
> or create a new one (tried '/tmp/mesos_test_cgroup/perf_event').
> You can either remove all existing
> hierarchies, or disable this test case
> (i.e., --gtest_filter=-UserCgroupIsolatorTest/0.*).
> -------------------------------------------------------------
> ../../src/tests/mesos.cpp:776: Failure
> cgroups: '/tmp/mesos_test_cgroup/perf_event' is not a valid hierarchy
> [ FAILED ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup, where
> TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess (1 ms)
> [----------] 1 test from UserCgroupIsolatorTest/0 (1 ms total)
> [----------] 1 test from UserCgroupIsolatorTest/1, where TypeParam =
> mesos::internal::slave::CgroupsCpushareIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN ] UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup
> ../../src/tests/mesos.cpp:722: Failure
> cgroups::mount(hierarchy, subsystem): '/tmp/mesos_test_cgroup/perf_event'
> already exists in the file system
> -------------------------------------------------------------
> We cannot run any cgroups tests that require
> a hierarchy with subsystem 'perf_event'
> because we failed to find an existing hierarchy
> or create a new one (tried '/tmp/mesos_test_cgroup/perf_event').
> You can either remove all existing
> hierarchies, or disable this test case
> (i.e., --gtest_filter=-UserCgroupIsolatorTest/1.*).
> -------------------------------------------------------------
> ../../src/tests/mesos.cpp:776: Failure
> cgroups: '/tmp/mesos_test_cgroup/perf_event' is not a valid hierarchy
> [ FAILED ] UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup, where
> TypeParam = mesos::internal::slave::CgroupsCpushareIsolatorProcess (4 ms)
> [----------] 1 test from UserCgroupIsolatorTest/1 (5 ms total)
> [----------] 1 test from UserCgroupIsolatorTest/2, where TypeParam =
> mesos::internal::slave::CgroupsPerfEventIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN ] UserCgroupIsolatorTest/2.ROOT_CGROUPS_UserCgroup
> ../../src/tests/mesos.cpp:722: Failure
> cgroups::mount(hierarchy, subsystem): '/tmp/mesos_test_cgroup/perf_event'
> already exists in the file system
> -------------------------------------------------------------
> We cannot run any cgroups tests that require
> a hierarchy with subsystem 'perf_event'
> because we failed to find an existing hierarchy
> or create a new one (tried '/tmp/mesos_test_cgroup/perf_event').
> You can either remove all existing
> hierarchies, or disable this test case
> (i.e., --gtest_filter=-UserCgroupIsolatorTest/2.*).
> -------------------------------------------------------------
> ../../src/tests/mesos.cpp:776: Failure
> cgroups: '/tmp/mesos_test_cgroup/perf_event' is not a valid hierarchy
> [ FAILED ] UserCgroupIsolatorTest/2.ROOT_CGROUPS_UserCgroup, where
> TypeParam = mesos::internal::slave::CgroupsPerfEventIsolatorProcess (2 ms)
> [----------] 1 test from UserCgroupIsolatorTest/2 (2 ms total)
> [----------] Global test environment tear-down
> [==========] 3 tests from 3 test cases ran. (349 ms total)
> [ PASSED ] 0 tests.
> [ FAILED ] 3 tests, listed below:
> [ FAILED ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup, where
> TypeParam = mesos::internal::slave::CgroupsMemIsolatorProcess
> [ FAILED ] UserCgroupIsolatorTest/1.ROOT_CGROUPS_UserCgroup, where
> TypeParam = mesos::internal::slave::CgroupsCpushareIsolatorProcess
> [ FAILED ] UserCgroupIsolatorTest/2.ROOT_CGROUPS_UserCgroup, where
> TypeParam = mesos::internal::slave::CgroupsPerfEventIsolatorProcess
> 3 FAILED TESTS
> {noformat}
> If running it with `sudo ./bin/mesos-tests.sh
> --gtest_filter="*ROOT_CGROUPS_UserCgroup*" --gtest_repeat=-1
> --gtest_break_on_failure`, it returned a segmentation fault (at iteration 1)
> as following log:
> {noformat}
> [==========] Running 3 tests from 3 test cases.
> [----------] Global test environment set-up.
> [----------] 1 test from UserCgroupIsolatorTest/0, where TypeParam =
> mesos::internal::slave::CgroupsMemIsolatorProcess
> userdel: user 'mesos.test.unprivileged.user' does not exist
> [ RUN ] UserCgroupIsolatorTest/0.ROOT_CGROUPS_UserCgroup
> ../../src/tests/mesos.cpp:722: Failure
> cgroups::mount(hierarchy, subsystem): '/tmp/mesos_test_cgroup/perf_event'
> already exists in the file system
> -------------------------------------------------------------
> We cannot run any cgroups tests that require
> a hierarchy with subsystem 'perf_event'
> because we failed to find an existing hierarchy
> or create a new one (tried '/tmp/mesos_test_cgroup/perf_event').
> You can either remove all existing
> hierarchies, or disable this test case
> (i.e., --gtest_filter=-UserCgroupIsolatorTest/0.*).
> -------------------------------------------------------------
> *** Aborted at 1449018895 (unix time) try "date -d @1449018895" if you are
> using GNU date ***
> PC: @ 0x152039f testing::UnitTest::AddTestPartResult()
> *** SIGSEGV (@0x0) received by PID 2930 (TID 0x7f9a07d92840) from PID 0;
> stack trace: ***
> @ 0x7f9a0194d790 (unknown)
> @ 0x152039f testing::UnitTest::AddTestPartResult()
> @ 0x151ff0e testing::internal::AssertHelper::operator=()
> @ 0xed245f mesos::internal::tests::ContainerizerTest<>::SetUp()
> @ 0x155a9a3
> testing::internal::HandleSehExceptionsInMethodIfSupported<>()
> @ 0x1547f51
> testing::internal::HandleExceptionsInMethodIfSupported<>()
> @ 0x15281d3 testing::Test::Run()
> @ 0x1528e9b testing::TestInfo::Run()
> @ 0x15295e7 testing::TestCase::Run()
> @ 0x1530d42 testing::internal::UnitTestImpl::RunAllTests()
> @ 0x1558163
> testing::internal::HandleSehExceptionsInMethodIfSupported<>()
> @ 0x1549fc1
> testing::internal::HandleExceptionsInMethodIfSupported<>()
> @ 0x15309fb testing::UnitTest::Run()
> @ 0xc808d1 RUN_ALL_TESTS()
> @ 0xc7f306 main
> @ 0x7f9a007b5d5d __libc_start_main
> @ 0x783e79 (unknown)
> {noformat}
> Both of these two failure cases occur 100%, not occasionally.
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