We still see random fails on Azure instances, it does not appear to be
isolated to a particular instance
03:19:44 DEBUG| Running
'/home/azure/autotest/client/tmp/monotonic_time/src/time_test --duration 300
tsc_lfence'
03:24:44 INFO | Time test command exit status: 1
03:24:44 ERROR| Exception escaping from test:
Traceback (most recent call last):
File "/home/azure/autotest/client/shared/test.py", line 411, in _exec
_call_test_function(self.execute, *p_args, **p_dargs)
File "/home/azure/autotest/client/shared/test.py", line 823, in
_call_test_function
return func(*args, **dargs)
File "/home/azure/autotest/client/shared/test.py", line 291, in execute
postprocess_profiled_run, args, dargs)
File "/home/azure/autotest/client/shared/test.py", line 212, in _call_run_once
self.run_once(*args, **dargs)
File "/home/azure/autotest/client/tests/monotonic_time/monotonic_time.py",
line 54, in run_once
raise error.TestFail(line)
TestFail: FAIL: tsc_lfence-worst-warp=-30
** Changed in: ubuntu-kernel-tests
Status: New => Confirmed
** Changed in: linux-azure (Ubuntu)
Status: New => Confirmed
** Description changed:
Among all of the Azure node, this test only failed on these two nodes:
+ Seen on the following instances:
+
+ Basic_A2
+ Standard_D2_v3
+ Standard_D2s_v3
+ Standard_E4s_v3
+ Standard_E64-16s
+ Standard_F2s_v2
+
+
+
Steps to reproduce:
- 1. git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest-client-tests
- 2. make -C autotest-client-tests/monotonic_time/src
- 3. sudo autotest-client-tests/monotonic_time/src/time_test --duration 300 tsc
+ 1. git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest-client-tests
+ 2. make -C autotest-client-tests/monotonic_time/src
+ 3. sudo autotest-client-tests/monotonic_time/src/time_test --duration 300 tsc
Results:
$ sudo autotest-client-tests/monotonic_time/src/time_test --duration 300 tsc
- Running 'make '
- cc -O -std=gnu99 -Wall -c -o time_test.o time_test.c
- cc -O -std=gnu99 -Wall -c -o cpuset.o cpuset.c
- cc -O -std=gnu99 -Wall -c -o threads.o threads.c
- cc -O -std=gnu99 -Wall -c -o logging.o logging.c
- cc -o time_test time_test.o cpuset.o threads.o logging.o -lpthread -lrt
- Running '/home/azure/autotest/client/tmp/monotonic_time/src/time_test
--duration 300 clock'
- Time test command exit status: 1
- Exception escaping from test:
- Traceback (most recent call last):
- File "/home/azure/autotest/client/shared/test.py", line 411, in
- _exec_call_test_function(self.execute, *p_args, **p_dargs)
- File "/home/azure/autotest/client/shared/test.py", line 823, in
_call_test_function
- return func(*args, **dargs)
- File "/home/azure/autotest/client/shared/test.py", line 291, in execute
- postprocess_profiled_run, args, dargs)
- File "/home/azure/autotest/client/shared/test.py", line 212, in
_call_run_once
- self.run_once(*args, **dargs)
- File "/home/azure/autotest/client/tests/monotonic_time/monotonic_time.py",
line 53, in run_once
- raise error.TestFail(line)
- TestFail: FAIL: clock-worst-warp=-100
+ Running 'make '
+ cc -O -std=gnu99 -Wall -c -o time_test.o time_test.c
+ cc -O -std=gnu99 -Wall -c -o cpuset.o cpuset.c
+ cc -O -std=gnu99 -Wall -c -o threads.o threads.c
+ cc -O -std=gnu99 -Wall -c -o logging.o logging.c
+ cc -o time_test time_test.o cpuset.o threads.o logging.o -lpthread -lrt
+ Running '/home/azure/autotest/client/tmp/monotonic_time/src/time_test
--duration 300 clock'
+ Time test command exit status: 1
+ Exception escaping from test:
+ Traceback (most recent call last):
+ File "/home/azure/autotest/client/shared/test.py", line 411, in
+ _exec_call_test_function(self.execute, *p_args, **p_dargs)
+ File "/home/azure/autotest/client/shared/test.py", line 823, in
_call_test_function
+ return func(*args, **dargs)
+ File "/home/azure/autotest/client/shared/test.py", line 291, in execute
+ postprocess_profiled_run, args, dargs)
+ File "/home/azure/autotest/client/shared/test.py", line 212, in
_call_run_once
+ self.run_once(*args, **dargs)
+ File "/home/azure/autotest/client/tests/monotonic_time/monotonic_time.py",
line 53, in run_once
+ raise error.TestFail(line)
+ TestFail: FAIL: clock-worst-warp=-100
** Summary changed:
- clock test in monotonic_time will fail on Azure Standard_E4s_v3 /
Standard_E64-16s / AWS m5a.large
+ clock test in monotonic_time will fail on Azure Instances
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1774959
Title:
clock test in monotonic_time will fail on Azure Instances
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