Public bug reported:
Back in s2023.10.30 and 2024.01.08 I noticed that we're having some
timers:inconsistency-check failure in ubuntu_kernel_selftests with AWS /
Azure cloud instances (M-aws a1.medium, c3.xlarge, c5n.large. L-azure
Standard_A2_v2, Standard_D4_v4. J-azure Standard_D4_v4,
Standard_D4s_v3-gen2)
It appears to be flaky, retest can make them pass.
The 6th test case will fail, CLOCK_REALTIME_COARSE.
Test log:
Running 'make run_tests -C timers TEST_PROGS=inconsistency-check
TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
make: Entering directory
'/home/azure/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/timers'
TAP version 13
1..1
# selftests: timers: inconsistency-check
# Consistent CLOCK_REALTIME [OK]
# Consistent CLOCK_MONOTONIC [OK]
# Consistent CLOCK_PROCESS_CPUTIME_ID [OK]
# Consistent CLOCK_THREAD_CPUTIME_ID [OK]
# Consistent CLOCK_MONOTONIC_RAW [OK]
# Consistent CLOCK_REALTIME_COARSE Fri Mar 1 15:29:21 2024
#
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# --------------------
# 1709306969:543644941
# 1709306969:543644933
# --------------------
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# 1709306969:543644933
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# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# Delta: 8 ns
# Fri Mar 1 15:29:29 2024
#
# [FAILED]
# # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0
not ok 1 selftests: timers: inconsistency-check # exit=1
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Tags: 5.15 6.5 aws azure jammy mantic sru-20240108 sru-20240205
sru-s20231030 ubuntu-kernel-selftests
** Summary changed:
- timers:inconsistency-check from ubuntu_kernel_selftests flaky on Azure cloud
+ timers:inconsistency-check from ubuntu_kernel_selftests flaky on AWS / Azure
cloud
** Description changed:
Back in s2023.10.30 and 2024.01.08 I noticed that we're having some
timers:inconsistency-check failure in ubuntu_kernel_selftests with AWS /
Azure cloud instances (M-aws a1.medium, c3.xlarge, c5n.large. L-azure
Standard_A2_v2, Standard_D4_v4. J-azure Standard_D4_v4,
Standard_D4s_v3-gen2)
It appears to be flaky, retest can make them pass.
+ The 6th test case will fail, CLOCK_REALTIME_COARSE.
+
Test log:
- Running 'make run_tests -C timers TEST_PROGS=inconsistency-check
TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
- make: Entering directory
'/home/azure/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/timers'
- TAP version 13
- 1..1
- # selftests: timers: inconsistency-check
- # Consistent CLOCK_REALTIME [OK]
- # Consistent CLOCK_MONOTONIC [OK]
- # Consistent CLOCK_PROCESS_CPUTIME_ID [OK]
- # Consistent CLOCK_THREAD_CPUTIME_ID [OK]
- # Consistent CLOCK_MONOTONIC_RAW [OK]
- # Consistent CLOCK_REALTIME_COARSE Fri Mar 1 15:29:21 2024
- #
- # 1709306969:543644941
- # 1709306969:543644941
- # 1709306969:543644941
- # 1709306969:543644941
- # 1709306969:543644941
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- # 1709306969:543644941
- # 1709306969:543644941
- # 1709306969:543644941
- # 1709306969:543644941
- # --------------------
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- # --------------------
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- # 1709306969:543644933
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- # 1709306969:543644933
- # 1709306969:543644933
- # 1709306969:543644933
- # 1709306969:543644933
- # Delta: 8 ns
- # Fri Mar 1 15:29:29 2024
- #
- # [FAILED]
- # # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0
- not ok 1 selftests: timers: inconsistency-check # exit=1
+ Running 'make run_tests -C timers TEST_PROGS=inconsistency-check
TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
+ make: Entering directory
'/home/azure/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/timers'
+ TAP version 13
+ 1..1
+ # selftests: timers: inconsistency-check
+ # Consistent CLOCK_REALTIME [OK]
+ # Consistent CLOCK_MONOTONIC [OK]
+ # Consistent CLOCK_PROCESS_CPUTIME_ID [OK]
+ # Consistent CLOCK_THREAD_CPUTIME_ID [OK]
+ # Consistent CLOCK_MONOTONIC_RAW [OK]
+ # Consistent CLOCK_REALTIME_COARSE Fri Mar 1 15:29:21 2024
+ #
+ # 1709306969:543644941
+ # 1709306969:543644941
+ # 1709306969:543644941
+ # 1709306969:543644941
+ # 1709306969:543644941
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+ # 1709306969:543644941
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+ # 1709306969:543644941
+ # 1709306969:543644941
+ # --------------------
+ # 1709306969:543644941
+ # 1709306969:543644933
+ # --------------------
+ # 1709306969:543644933
+ # 1709306969:543644933
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+ # 1709306969:543644933
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+ # 1709306969:543644933
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+ # 1709306969:543644933
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+ # 1709306969:543644933
+ # 1709306969:543644933
+ # 1709306969:543644933
+ # 1709306969:543644933
+ # 1709306969:543644933
+ # 1709306969:543644933
+ # Delta: 8 ns
+ # Fri Mar 1 15:29:29 2024
+ #
+ # [FAILED]
+ # # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0
+ not ok 1 selftests: timers: inconsistency-check # exit=1
--
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https://bugs.launchpad.net/bugs/2055844
Title:
timers:inconsistency-check from ubuntu_kernel_selftests flaky on AWS /
Azure cloud
Status in ubuntu-kernel-tests:
New
Bug description:
Back in s2023.10.30 and 2024.01.08 I noticed that we're having some
timers:inconsistency-check failure in ubuntu_kernel_selftests with AWS
/ Azure cloud instances (M-aws a1.medium, c3.xlarge, c5n.large.
L-azure Standard_A2_v2, Standard_D4_v4. J-azure Standard_D4_v4,
Standard_D4s_v3-gen2)
It appears to be flaky, retest can make them pass.
The 6th test case will fail, CLOCK_REALTIME_COARSE.
Test log:
Running 'make run_tests -C timers TEST_PROGS=inconsistency-check
TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
make: Entering directory
'/home/azure/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/timers'
TAP version 13
1..1
# selftests: timers: inconsistency-check
# Consistent CLOCK_REALTIME [OK]
# Consistent CLOCK_MONOTONIC [OK]
# Consistent CLOCK_PROCESS_CPUTIME_ID [OK]
# Consistent CLOCK_THREAD_CPUTIME_ID [OK]
# Consistent CLOCK_MONOTONIC_RAW [OK]
# Consistent CLOCK_REALTIME_COARSE Fri Mar 1 15:29:21 2024
#
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# 1709306969:543644941
# --------------------
# 1709306969:543644941
# 1709306969:543644933
# --------------------
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# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# 1709306969:543644933
# Delta: 8 ns
# Fri Mar 1 15:29:29 2024
#
# [FAILED]
# # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0
not ok 1 selftests: timers: inconsistency-check # exit=1
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