Public bug reported:
Issue found on 6.8.0-1020.20, looking back into our test history we can
see it's failing with 6.8.0-1018.20 on the same instance in
sru-20240930.
And it has passed with 6.8.0-1015.16 in sru-20240805 and 6.8.0-1016.17
in sru-s20240805
A manual test shows this failure begins with 6.8.0-1017-aws
Test result with 6.8.0-1016.17:
<<<test_start>>>
tag=cpuset_hotplug stime=1733121824
cmdline="cpuset_hotplug_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_hotplug 1 TINFO: CPUs are numbered continuously starting at 0 (0-3)
cpuset_hotplug 1 TINFO: Nodes are numbered continuously starting at 0 (0)
cpuset_hotplug 1 TCONF: Could not mount cgroup filesystem with cpuset on
/dev/cpuset
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=32 corefile=no
cutime=1 cstime=1
<<<test_end>>>
Test result with 6.8.0-1017:
<<<test_start>>>
tag=cpuset_hotplug stime=1733122053
cmdline="cpuset_hotplug_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_hotplug 1 TINFO: CPUs are numbered continuously starting at 0 (0-3)
cpuset_hotplug 1 TINFO: Nodes are numbered continuously starting at 0 (0)
cpuset_hotplug 1 TPASS: Cpuset vs CPU hotplug test succeeded.
/bin/echo: write error: Input/output error
cpuset_hotplug 3 TINFO: /bin/echo: write error: Input/output error
cpuset_hotplug 3 TFAIL: CPU#1 failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 5 TINFO: /bin/echo: write error: Invalid argument
cpuset_hotplug 5 TFAIL: set general group parameter failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 7 TINFO: /bin/echo: write error: Invalid argument
cpuset_hotplug 7 TFAIL: set general group parameter failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 9 TPASS: Cpuset vs CPU hotplug test succeeded.
/bin/echo: write error: Input/output error
cpuset_hotplug 11 TINFO: /bin/echo: write error: Input/output error
cpuset_hotplug 11 TFAIL: CPU#1 failed.
/bin/echo: write error: Input/output error
<<<execution_status>>>
initiation_status="ok"
duration=82 termination_type=exited termination_id=1 corefile=no
cutime=136 cstime=1168
<<<test_end>>>
This failure will cause the following cpuset_regression_test to fail with:
<<<test_start>>>
tag=cpuset_regression_test stime=1733122896
cmdline="cpuset_regression_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_regression_test 1 TINFO: Running: cpuset_regression_test.sh
cpuset_regression_test 1 TINFO: Tested kernel: Linux ip-172-31-3-132
6.8.0-1017-aws #18-Ubuntu SMP Wed Oct 2 20:17:03 UTC 2024 x86_64 x86_64 x86_64
GNU/Linux
cpuset_regression_test 1 TINFO: Using
/tmp/ltp-SdsOVtsygU/LTP_cpuset_regression_test.vBePRqZkZM as tmpdir (ext2/ext3
filesystem)
cpuset_regression_test 1 TINFO: timeout per run is 0h 5m 0s
tst_cgroup.c:776: TINFO: Mounted V1 cpuset CGroup on
/tmp/ltp-SdsOVtsygU/cgroup_cpuset
cpuset_regression_test 1 TINFO: test starts with cgroup version 1
/opt/ltp/testcases/bin/cpuset_regression_test.sh: 78: echo: echo: I/O error
cpuset_regression_test 1 TBROK: Unable to prepare existing cpuset cgroups
/opt/ltp/testcases/bin/cpuset_regression_test.sh: 111: echo: echo: I/O error
cpuset_regression_test 1 TINFO: AppArmor enabled, this may affect test results
cpuset_regression_test 1 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1
(requires super/root)
cpuset_regression_test 1 TINFO: loaded AppArmor profiles: none
Summary:
passed 0
failed 0
broken 1
skipped 0
warnings 0
<<<execution_status>>>
If we don't run the cpuset_hotplug test, this test will be skipped:
<<<test_start>>>
tag=cpuset_regression_test stime=1733122991
cmdline="cpuset_regression_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_regression_test 1 TINFO: Running: cpuset_regression_test.sh
cpuset_regression_test 1 TINFO: Tested kernel: Linux ip-172-31-3-132
6.8.0-1017-aws #18-Ubuntu SMP Wed Oct 2 20:17:03 UTC 2024 x86_64 x86_64 x86_64
GNU/Linux
cpuset_regression_test 1 TINFO: Using
/tmp/ltp-NQZT7RC4j4/LTP_cpuset_regression_test.YG7BLBZW9X as tmpdir (ext2/ext3
filesystem)
cpuset_regression_test 1 TINFO: timeout per run is 0h 5m 0s
cpuset_regression_test 1 TINFO: test starts with cgroup version 2
cpuset_regression_test 1 TCONF: cgroup v2 found, skipping test
Summary:
passed 0
failed 0
broken 0
skipped 1
warnings 0
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=32 corefile=no
cutime=2 cstime=2
<<<test_end>>>
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux-aws (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-aws (Ubuntu Noble)
Importance: Undecided
Assignee: Philip Cox (philcox)
Status: New
** Tags: 6.8 aws noble sru-20240930 sru-20241028 ubuntu-ltp-controllers
** Description changed:
Issue found on 6.8.0-1020.20, looking back into our test history we can
see it's failing with 6.8.0-1018.20 on the same instance in
sru-20240930.
And it has passed with 6.8.0-1015.16 in sru-20240805 and 6.8.0-1016.17
in sru-s20240805
A manual test shows this failure begins with 6.8.0-1017-aws
Test result with 6.8.0-1016.17:
<<<test_start>>>
tag=cpuset_hotplug stime=1733121824
cmdline="cpuset_hotplug_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_hotplug 1 TINFO: CPUs are numbered continuously starting at 0 (0-3)
cpuset_hotplug 1 TINFO: Nodes are numbered continuously starting at 0 (0)
cpuset_hotplug 1 TCONF: Could not mount cgroup filesystem with cpuset on
/dev/cpuset
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=32 corefile=no
cutime=1 cstime=1
<<<test_end>>>
Test result with 6.8.0-1017:
<<<test_start>>>
tag=cpuset_hotplug stime=1733122053
cmdline="cpuset_hotplug_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_hotplug 1 TINFO: CPUs are numbered continuously starting at 0 (0-3)
cpuset_hotplug 1 TINFO: Nodes are numbered continuously starting at 0 (0)
cpuset_hotplug 1 TPASS: Cpuset vs CPU hotplug test succeeded.
/bin/echo: write error: Input/output error
cpuset_hotplug 3 TINFO: /bin/echo: write error: Input/output error
cpuset_hotplug 3 TFAIL: CPU#1 failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 5 TINFO: /bin/echo: write error: Invalid argument
cpuset_hotplug 5 TFAIL: set general group parameter failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 7 TINFO: /bin/echo: write error: Invalid argument
cpuset_hotplug 7 TFAIL: set general group parameter failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 9 TPASS: Cpuset vs CPU hotplug test succeeded.
/bin/echo: write error: Input/output error
cpuset_hotplug 11 TINFO: /bin/echo: write error: Input/output error
cpuset_hotplug 11 TFAIL: CPU#1 failed.
/bin/echo: write error: Input/output error
<<<execution_status>>>
initiation_status="ok"
duration=82 termination_type=exited termination_id=1 corefile=no
cutime=136 cstime=1168
<<<test_end>>>
+
+ This failure will cause the following cpuset_regression_test to fail with:
+ <<<test_start>>>
+ tag=cpuset_regression_test stime=1733122896
+ cmdline="cpuset_regression_test.sh"
+ contacts=""
+ analysis=exit
+ <<<test_output>>>
+ incrementing stop
+ cpuset_regression_test 1 TINFO: Running: cpuset_regression_test.sh
+ cpuset_regression_test 1 TINFO: Tested kernel: Linux ip-172-31-3-132
6.8.0-1017-aws #18-Ubuntu SMP Wed Oct 2 20:17:03 UTC 2024 x86_64 x86_64 x86_64
GNU/Linux
+ cpuset_regression_test 1 TINFO: Using
/tmp/ltp-SdsOVtsygU/LTP_cpuset_regression_test.vBePRqZkZM as tmpdir (ext2/ext3
filesystem)
+ cpuset_regression_test 1 TINFO: timeout per run is 0h 5m 0s
+ tst_cgroup.c:776: TINFO: Mounted V1 cpuset CGroup on
/tmp/ltp-SdsOVtsygU/cgroup_cpuset
+ cpuset_regression_test 1 TINFO: test starts with cgroup version 1
+ /opt/ltp/testcases/bin/cpuset_regression_test.sh: 78: echo: echo: I/O error
+ cpuset_regression_test 1 TBROK: Unable to prepare existing cpuset cgroups
+ /opt/ltp/testcases/bin/cpuset_regression_test.sh: 111: echo: echo: I/O error
+ cpuset_regression_test 1 TINFO: AppArmor enabled, this may affect test results
+ cpuset_regression_test 1 TINFO: it can be disabled with
TST_DISABLE_APPARMOR=1 (requires super/root)
+ cpuset_regression_test 1 TINFO: loaded AppArmor profiles: none
+
+ Summary:
+ passed 0
+ failed 0
+ broken 1
+ skipped 0
+ warnings 0
+ <<<execution_status>>>
+
+ If we don't run the cpuset_hotplug test, this test will be skipped:
+ <<<test_start>>>
+ tag=cpuset_regression_test stime=1733122991
+ cmdline="cpuset_regression_test.sh"
+ contacts=""
+ analysis=exit
+ <<<test_output>>>
+ incrementing stop
+ cpuset_regression_test 1 TINFO: Running: cpuset_regression_test.sh
+ cpuset_regression_test 1 TINFO: Tested kernel: Linux ip-172-31-3-132
6.8.0-1017-aws #18-Ubuntu SMP Wed Oct 2 20:17:03 UTC 2024 x86_64 x86_64 x86_64
GNU/Linux
+ cpuset_regression_test 1 TINFO: Using
/tmp/ltp-NQZT7RC4j4/LTP_cpuset_regression_test.YG7BLBZW9X as tmpdir (ext2/ext3
filesystem)
+ cpuset_regression_test 1 TINFO: timeout per run is 0h 5m 0s
+ cpuset_regression_test 1 TINFO: test starts with cgroup version 2
+ cpuset_regression_test 1 TCONF: cgroup v2 found, skipping test
+
+ Summary:
+ passed 0
+ failed 0
+ broken 0
+ skipped 1
+ warnings 0
+ <<<execution_status>>>
+ initiation_status="ok"
+ duration=0 termination_type=exited termination_id=32 corefile=no
+ cutime=2 cstime=2
+ <<<test_end>>>
** Also affects: linux-aws (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-aws (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: linux-aws (Ubuntu Noble)
Assignee: (unassigned) => Philip Cox (philcox)
--
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https://bugs.launchpad.net/bugs/2090819
Title:
cpuset_hotplug failed on N-aws since 6.8.0-1017-aws on AWS x1e.xlarge
Status in ubuntu-kernel-tests:
New
Status in linux-aws package in Ubuntu:
New
Status in linux-aws source package in Noble:
New
Bug description:
Issue found on 6.8.0-1020.20, looking back into our test history we
can see it's failing with 6.8.0-1018.20 on the same instance in
sru-20240930.
And it has passed with 6.8.0-1015.16 in sru-20240805 and 6.8.0-1016.17
in sru-s20240805
A manual test shows this failure begins with 6.8.0-1017-aws
Test result with 6.8.0-1016.17:
<<<test_start>>>
tag=cpuset_hotplug stime=1733121824
cmdline="cpuset_hotplug_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_hotplug 1 TINFO: CPUs are numbered continuously starting at 0 (0-3)
cpuset_hotplug 1 TINFO: Nodes are numbered continuously starting at 0 (0)
cpuset_hotplug 1 TCONF: Could not mount cgroup filesystem with cpuset on
/dev/cpuset
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=32 corefile=no
cutime=1 cstime=1
<<<test_end>>>
Test result with 6.8.0-1017:
<<<test_start>>>
tag=cpuset_hotplug stime=1733122053
cmdline="cpuset_hotplug_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_hotplug 1 TINFO: CPUs are numbered continuously starting at 0 (0-3)
cpuset_hotplug 1 TINFO: Nodes are numbered continuously starting at 0 (0)
cpuset_hotplug 1 TPASS: Cpuset vs CPU hotplug test succeeded.
/bin/echo: write error: Input/output error
cpuset_hotplug 3 TINFO: /bin/echo: write error: Input/output error
cpuset_hotplug 3 TFAIL: CPU#1 failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 5 TINFO: /bin/echo: write error: Invalid argument
cpuset_hotplug 5 TFAIL: set general group parameter failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 7 TINFO: /bin/echo: write error: Invalid argument
cpuset_hotplug 7 TFAIL: set general group parameter failed.
/bin/echo: write error: Input/output error
cpuset_hotplug 9 TPASS: Cpuset vs CPU hotplug test succeeded.
/bin/echo: write error: Input/output error
cpuset_hotplug 11 TINFO: /bin/echo: write error: Input/output error
cpuset_hotplug 11 TFAIL: CPU#1 failed.
/bin/echo: write error: Input/output error
<<<execution_status>>>
initiation_status="ok"
duration=82 termination_type=exited termination_id=1 corefile=no
cutime=136 cstime=1168
<<<test_end>>>
This failure will cause the following cpuset_regression_test to fail with:
<<<test_start>>>
tag=cpuset_regression_test stime=1733122896
cmdline="cpuset_regression_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_regression_test 1 TINFO: Running: cpuset_regression_test.sh
cpuset_regression_test 1 TINFO: Tested kernel: Linux ip-172-31-3-132
6.8.0-1017-aws #18-Ubuntu SMP Wed Oct 2 20:17:03 UTC 2024 x86_64 x86_64 x86_64
GNU/Linux
cpuset_regression_test 1 TINFO: Using
/tmp/ltp-SdsOVtsygU/LTP_cpuset_regression_test.vBePRqZkZM as tmpdir (ext2/ext3
filesystem)
cpuset_regression_test 1 TINFO: timeout per run is 0h 5m 0s
tst_cgroup.c:776: TINFO: Mounted V1 cpuset CGroup on
/tmp/ltp-SdsOVtsygU/cgroup_cpuset
cpuset_regression_test 1 TINFO: test starts with cgroup version 1
/opt/ltp/testcases/bin/cpuset_regression_test.sh: 78: echo: echo: I/O error
cpuset_regression_test 1 TBROK: Unable to prepare existing cpuset cgroups
/opt/ltp/testcases/bin/cpuset_regression_test.sh: 111: echo: echo: I/O error
cpuset_regression_test 1 TINFO: AppArmor enabled, this may affect test results
cpuset_regression_test 1 TINFO: it can be disabled with
TST_DISABLE_APPARMOR=1 (requires super/root)
cpuset_regression_test 1 TINFO: loaded AppArmor profiles: none
Summary:
passed 0
failed 0
broken 1
skipped 0
warnings 0
<<<execution_status>>>
If we don't run the cpuset_hotplug test, this test will be skipped:
<<<test_start>>>
tag=cpuset_regression_test stime=1733122991
cmdline="cpuset_regression_test.sh"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
cpuset_regression_test 1 TINFO: Running: cpuset_regression_test.sh
cpuset_regression_test 1 TINFO: Tested kernel: Linux ip-172-31-3-132
6.8.0-1017-aws #18-Ubuntu SMP Wed Oct 2 20:17:03 UTC 2024 x86_64 x86_64 x86_64
GNU/Linux
cpuset_regression_test 1 TINFO: Using
/tmp/ltp-NQZT7RC4j4/LTP_cpuset_regression_test.YG7BLBZW9X as tmpdir (ext2/ext3
filesystem)
cpuset_regression_test 1 TINFO: timeout per run is 0h 5m 0s
cpuset_regression_test 1 TINFO: test starts with cgroup version 2
cpuset_regression_test 1 TCONF: cgroup v2 found, skipping test
Summary:
passed 0
failed 0
broken 0
skipped 1
warnings 0
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=32 corefile=no
cutime=2 cstime=2
<<<test_end>>>
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