DST timeouts

[pshipton]

https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_x86-64_linux_Personal_testList_0/3 - ub18-x86-2a
DaaLoadTest_all_special_5m_28
-Xcompressedrefs -Xgcpolicy:gencon -Xshareclasses -Xjit

https://openj9-artifactory.osuosl.org/artifactory/ci-openj9/Test/Test_openjdk23_j9_special.system_x86-64_linux_Personal_testList_0/3/system_test_output.tar.gz

00:59:57  DLT 01:59:55.946 - Completed 26.8%. Number of tests started=391 (+76)
01:00:01  STF 02:00:00.476 - **FAILED** Process DLT has timed out

https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_x86-64_linux_Personal_testList_1/3 - cent7-x64-2
MathLoadTest_autosimd_special_5m_9
-Xaggressive -Xgcpolicy:gencon -Xjit -Xnocompressedrefs

https://openj9-artifactory.osuosl.org/artifactory/ci-openj9/Test/Test_openjdk23_j9_special.system_x86-64_linux_Personal_testList_1/3/system_test_output.tar.gz

01:59:47  MLT 01:59:45.163 - Completed 86.8%. Number of tests started=5324132 (+434193)
02:00:02  STF 02:00:00.341 - **FAILED** Process MLT has timed out

https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_x86-64_linux_Personal_testList_3/3/ - ub16x64j98
DaaLoadTest_daa3_special_5m_24
-Xgcpolicy:optthruput -Xdebug -Xrunjdwp:transport=dt_socket,address=8888,server=y,onthrow=no.pkg.foo,launch=echo -Xjit:enableOSR,enableOSROnGuardFailure,count=1,disableAsyncCompilation

https://openj9-artifactory.osuosl.org/artifactory/ci-openj9/Test/Test_openjdk23_j9_special.system_x86-64_linux_Personal_testList_3/3/system_test_output.tar.gz

02:02:34  DLT 02:02:31.654 - Completed 87.5%. Number of tests started=749 (+58)
02:02:42  STF 02:02:41.459 - Heartbeat: Process DLT is still running
02:02:44  STF 02:02:43.465 - **FAILED** Process DLT has timed out

https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_x86-64_linux_Personal_testList_4/3 - cent7-x64-4
DaaLoadTest_all_special_5m_18
-XX:+UseCompressedOops -Xgcpolicy:balanced -Xdebug -Xrunjdwp:transport=dt_socket,address=8888,server=y,onthrow=no.pkg.foo,launch=echo -Xjit:count=0

https://openj9-artifactory.osuosl.org/artifactory/ci-openj9/Test/Test_openjdk23_j9_special.system_x86-64_linux_Personal_testList_4/3/system_test_output.tar.gz

01:03:49  DLT 02:03:49.024 - Completed 80.8%. Number of tests started=805 (+32)
01:04:07  STF 02:04:05.378 - Heartbeat: Process DLT is still running
01:04:08  STF 02:04:07.385 - **FAILED** Process DLT has timed out

More hangs on xmac

https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_x86-64_mac_Personal_testList_0/3/
LambdaLoadTest_special_J9_5m_23
-Xcompressedrefs -Xjit:count=0 -Xgcpolicy:gencon -Xaggressive -Xconcurrentlevel0

https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_x86-64_mac_Personal_testList_1/3/
MiniMix_3h_0

https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_x86-64_mac_Personal_testList_2/3/
DaaLoadTest_all_special_5m_12
-Xjit -Xgcpolicy:balanced -Xnocompressedrefs

https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_x86-64_mac_Personal_testList_3/3/
ParallelStreamsLoadTest_special_J9_15
-XX:+UseCompressedOops -Xgcpolicy:balanced -Xjit:counts=- - - - - - 1 1 1 1000 250 250 - - - 10000 100000 10000,gcOnResolve,rtResolve,sampleInterval=2,scorchingSampleThreshold=10000,quickProfile -Xcheck:gc:vmthreads:all:quiet

and zlinux
https://openj9-jenkins.osuosl.org/job/Test_openjdk23_j9_special.system_s390x_linux_Personal_testList_0/3

02:03:03  DLT 02:03:00.674 - Completed 87.4%. Number of tests started=24587 (+2367)
02:03:16  STF 02:03:16.146 - Heartbeat: Process DLT is still running
02:03:17  STF 02:03:17.147 - **FAILED** Process DLT has timed out

[github-actions]

Issue Number: 20502
Status: Open
Recommended Components: comp:gc, comp:test, comp:vm
Recommended Assignees: pshipton, babsingh, llxia

[pshipton]

@0xdaryl is this related to #20431 ?

[pshipton]

I suspect this is related to the DST change.

[github-actions]

Issue Number: 20502
Status: Closed
Actual Components: test failure
Actual Assignees: No one :(
PR Assignees: No one :(

[0xdaryl]

I admit the name sounds suspicious, but I think this is unlikely to cause hangs. Unless there was some pre-existing race condition where more a more efficient spin loop changed the timing and exposed problems.