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[Bug 2110482] [NEW] plucky: ubuntu_ftrace_smoke_test missing ubuntu_ftrace_smoke_test.sentinel file on aws:c3.xlarge

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Public bug reported:

ubuntu_ftrace_smoke_test:ftrace-smoke-test has been failing for plucky
since (6.14.0-11.11 - 6.14.0-17.17) on aws:c3.xlarge instance
exclusively.

06:41:12 INFO | START ubuntu_ftrace_smoke_test.ftrace-smoke-test ubuntu_ftrace_smoke_test.ftrace-smoke-test timeout=900 timestamp=1742280072 localtime=Mar 18 06:41:12
06:41:12 DEBUG| Persistent state client._record_indent now set to 2
06:41:12 DEBUG| Persistent state client.unexpected_reboot now set to ('ubuntu_ftrace_smoke_test.ftrace-smoke-test', 'ubuntu_ftrace_smoke_test.ftrace-smoke-test')
06:41:12 DEBUG| Waiting for pid 2211 for 900 seconds
06:41:12 WARNI| System python is too old, crash handling disabled
06:41:12 DEBUG| Running '/home/ubuntu/autotest/client/tests/ubuntu_ftrace_smoke_test/ubuntu_ftrace_smoke_test.sh'
06:41:12 DEBUG| [stdout] PASSED (CONFIG_FUNCTION_TRACER=y in /boot/config-6.14.0-11-generic)
06:41:12 DEBUG| [stdout] PASSED (CONFIG_FUNCTION_GRAPH_TRACER=y in /boot/config-6.14.0-11-generic)
06:41:12 DEBUG| [stdout] PASSED (CONFIG_STACK_TRACER=y in /boot/config-6.14.0-11-generic)
06:41:12 DEBUG| [stdout] PASSED (CONFIG_DYNAMIC_FTRACE=y in /boot/config-6.14.0-11-generic)
06:41:14 DEBUG| [stdout] PASSED all expected /sys/kernel/debug/tracing files exist
06:41:14 DEBUG| [stdout] PASSED (function_graph in /sys/kernel/debug/tracing/available_tracers)
06:41:14 DEBUG| [stdout] PASSED (function in /sys/kernel/debug/tracing/available_tracers)
06:41:14 DEBUG| [stdout] PASSED (nop in /sys/kernel/debug/tracing/available_tracers)
06:41:16 DEBUG| [stdout] PASSED (tracer function can be enabled)
06:41:20 DEBUG| [stdout] PASSED (tracer function_graph can be enabled)
06:41:20 ERROR| [stderr] grep: /tmp/ftrace-kernel-trace-2215.tmp.log: binary file matches
06:41:20 DEBUG| [stdout] - tracer function_graph got enough data
06:41:20 DEBUG| [stdout] - tracer function_graph completed
06:41:20 DEBUG| [stdout] - tracer function_graph being turned off
06:41:20 ERROR| [stderr] grep: /tmp/ftrace-kernel-trace-2215.tmp.log: binary file matches
06:41:20 DEBUG| [stdout] - tracer got 1710 irq events
06:41:23 DEBUG| [stdout] - tracer timerlat got enough data
06:41:23 DEBUG| [stdout] - tracer timerlat completed
06:41:23 DEBUG| [stdout] - tracer timerlat being turned off
06:41:23 DEBUG| [stdout] - tracer nop being set as current tracer
06:41:25 DEBUG| [stdout] PASSED (tracer timerlat can be enabled (got 105 lines of tracing output))
06:41:27 DEBUG| [stdout] - tracer osnoise got enough data
06:41:27 DEBUG| [stdout] - tracer osnoise completed
06:41:27 DEBUG| [stdout] - tracer osnoise being turned off
06:41:27 DEBUG| [stdout] - tracer nop being set as current tracer
06:41:29 DEBUG| [stdout] PASSED (tracer osnoise can be enabled (got 11 lines of tracing output))
06:41:30 DEBUG| [stdout] - tracer hwlat got enough data
06:41:30 DEBUG| [stdout] - tracer hwlat completed
06:41:30 DEBUG| [stdout] - tracer hwlat being turned off
06:41:30 DEBUG| [stdout] - tracer nop being set as current tracer
06:41:32 DEBUG| [stdout] PASSED (tracer hwlat can be enabled (got 13 lines of tracing output))
06:41:33 DEBUG| [stdout] - tracer blk got enough data
06:41:33 DEBUG| [stdout] - tracer blk completed
06:41:33 DEBUG| [stdout] - tracer blk being turned off
06:41:33 DEBUG| [stdout] - tracer nop being set as current tracer
06:41:35 DEBUG| [stdout] PASSED (tracer blk can be enabled (got 2 lines of tracing output))
06:41:36 DEBUG| [stdout] - tracer mmiotrace got enough data
06:41:36 DEBUG| [stdout] - tracer mmiotrace completed
06:41:36 DEBUG| [stdout] - tracer mmiotrace being turned off
06:41:36 DEBUG| [stdout] - tracer nop being set as current tracer
scp: /tmp/ubuntu_ftrace_smoke_test.sentinel: No such file or directory

TEST SYSTEM FAILURE DETECTED
A failure of the system under test has been detected.
Please review log files for a potential panic, hang or unexpected reboot

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

** Description changed:

  ubuntu_ftrace_smoke_test:ftrace-smoke-test has been failing for plucky
  since (6.14.0-11.11 - 6.14.0-17.17) on aws:c3.xlarge instance
- exclusively. This is probably not a regression.
+ exclusively.
  
  06:41:12 INFO | START ubuntu_ftrace_smoke_test.ftrace-smoke-test ubuntu_ftrace_smoke_test.ftrace-smoke-test timeout=900 timestamp=1742280072 localtime=Mar 18 06:41:12
  06:41:12 DEBUG| Persistent state client._record_indent now set to 2
  06:41:12 DEBUG| Persistent state client.unexpected_reboot now set to ('ubuntu_ftrace_smoke_test.ftrace-smoke-test', 'ubuntu_ftrace_smoke_test.ftrace-smoke-test')
  06:41:12 DEBUG| Waiting for pid 2211 for 900 seconds
  06:41:12 WARNI| System python is too old, crash handling disabled
  06:41:12 DEBUG| Running '/home/ubuntu/autotest/client/tests/ubuntu_ftrace_smoke_test/ubuntu_ftrace_smoke_test.sh'
  06:41:12 DEBUG| [stdout] PASSED (CONFIG_FUNCTION_TRACER=y in /boot/config-6.14.0-11-generic)
  06:41:12 DEBUG| [stdout] PASSED (CONFIG_FUNCTION_GRAPH_TRACER=y in /boot/config-6.14.0-11-generic)
  06:41:12 DEBUG| [stdout] PASSED (CONFIG_STACK_TRACER=y in /boot/config-6.14.0-11-generic)
  06:41:12 DEBUG| [stdout] PASSED (CONFIG_DYNAMIC_FTRACE=y in /boot/config-6.14.0-11-generic)
  06:41:14 DEBUG| [stdout] PASSED all expected /sys/kernel/debug/tracing files exist
  06:41:14 DEBUG| [stdout] PASSED (function_graph in /sys/kernel/debug/tracing/available_tracers)
  06:41:14 DEBUG| [stdout] PASSED (function in /sys/kernel/debug/tracing/available_tracers)
  06:41:14 DEBUG| [stdout] PASSED (nop in /sys/kernel/debug/tracing/available_tracers)
  06:41:16 DEBUG| [stdout] PASSED (tracer function can be enabled)
  06:41:20 DEBUG| [stdout] PASSED (tracer function_graph can be enabled)
  06:41:20 ERROR| [stderr] grep: /tmp/ftrace-kernel-trace-2215.tmp.log: binary file matches
  06:41:20 DEBUG| [stdout] - tracer function_graph got enough data
  06:41:20 DEBUG| [stdout] - tracer function_graph completed
  06:41:20 DEBUG| [stdout] - tracer function_graph being turned off
  06:41:20 ERROR| [stderr] grep: /tmp/ftrace-kernel-trace-2215.tmp.log: binary file matches
  06:41:20 DEBUG| [stdout] - tracer got 1710 irq events
  06:41:23 DEBUG| [stdout] - tracer timerlat got enough data
  06:41:23 DEBUG| [stdout] - tracer timerlat completed
  06:41:23 DEBUG| [stdout] - tracer timerlat being turned off
  06:41:23 DEBUG| [stdout] - tracer nop being set as current tracer
  06:41:25 DEBUG| [stdout] PASSED (tracer timerlat can be enabled (got 105 lines of tracing output))
  06:41:27 DEBUG| [stdout] - tracer osnoise got enough data
  06:41:27 DEBUG| [stdout] - tracer osnoise completed
  06:41:27 DEBUG| [stdout] - tracer osnoise being turned off
  06:41:27 DEBUG| [stdout] - tracer nop being set as current tracer
  06:41:29 DEBUG| [stdout] PASSED (tracer osnoise can be enabled (got 11 lines of tracing output))
  06:41:30 DEBUG| [stdout] - tracer hwlat got enough data
  06:41:30 DEBUG| [stdout] - tracer hwlat completed
  06:41:30 DEBUG| [stdout] - tracer hwlat being turned off
  06:41:30 DEBUG| [stdout] - tracer nop being set as current tracer
  06:41:32 DEBUG| [stdout] PASSED (tracer hwlat can be enabled (got 13 lines of tracing output))
  06:41:33 DEBUG| [stdout] - tracer blk got enough data
  06:41:33 DEBUG| [stdout] - tracer blk completed
  06:41:33 DEBUG| [stdout] - tracer blk being turned off
  06:41:33 DEBUG| [stdout] - tracer nop being set as current tracer
  06:41:35 DEBUG| [stdout] PASSED (tracer blk can be enabled (got 2 lines of tracing output))
  06:41:36 DEBUG| [stdout] - tracer mmiotrace got enough data
  06:41:36 DEBUG| [stdout] - tracer mmiotrace completed
  06:41:36 DEBUG| [stdout] - tracer mmiotrace being turned off
  06:41:36 DEBUG| [stdout] - tracer nop being set as current tracer
  scp: /tmp/ubuntu_ftrace_smoke_test.sentinel: No such file or directory
  
  TEST SYSTEM FAILURE DETECTED
  A failure of the system under test has been detected.
  Please review log files for a potential panic, hang or unexpected reboot

** Summary changed:

- plucky: ubuntu_ftrace_smoke_test missing ubuntu_ftrace_smoke_test.sentinel on aws:c3.xlarge
+ plucky: ubuntu_ftrace_smoke_test missing ubuntu_ftrace_smoke_test.sentinel file on aws:c3.xlarge

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https://bugs.launchpad.net/bugs/2110482

Title:
  plucky: ubuntu_ftrace_smoke_test missing
  ubuntu_ftrace_smoke_test.sentinel file on aws:c3.xlarge

Status in ubuntu-kernel-tests:
  New

Bug description:
  ubuntu_ftrace_smoke_test:ftrace-smoke-test has been failing for plucky
  since (6.14.0-11.11 - 6.14.0-17.17) on aws:c3.xlarge instance
  exclusively.

  06:41:12 INFO | START ubuntu_ftrace_smoke_test.ftrace-smoke-test ubuntu_ftrace_smoke_test.ftrace-smoke-test timeout=900 timestamp=1742280072 localtime=Mar 18 06:41:12
  06:41:12 DEBUG| Persistent state client._record_indent now set to 2
  06:41:12 DEBUG| Persistent state client.unexpected_reboot now set to ('ubuntu_ftrace_smoke_test.ftrace-smoke-test', 'ubuntu_ftrace_smoke_test.ftrace-smoke-test')
  06:41:12 DEBUG| Waiting for pid 2211 for 900 seconds
  06:41:12 WARNI| System python is too old, crash handling disabled
  06:41:12 DEBUG| Running '/home/ubuntu/autotest/client/tests/ubuntu_ftrace_smoke_test/ubuntu_ftrace_smoke_test.sh'
  06:41:12 DEBUG| [stdout] PASSED (CONFIG_FUNCTION_TRACER=y in /boot/config-6.14.0-11-generic)
  06:41:12 DEBUG| [stdout] PASSED (CONFIG_FUNCTION_GRAPH_TRACER=y in /boot/config-6.14.0-11-generic)
  06:41:12 DEBUG| [stdout] PASSED (CONFIG_STACK_TRACER=y in /boot/config-6.14.0-11-generic)
  06:41:12 DEBUG| [stdout] PASSED (CONFIG_DYNAMIC_FTRACE=y in /boot/config-6.14.0-11-generic)
  06:41:14 DEBUG| [stdout] PASSED all expected /sys/kernel/debug/tracing files exist
  06:41:14 DEBUG| [stdout] PASSED (function_graph in /sys/kernel/debug/tracing/available_tracers)
  06:41:14 DEBUG| [stdout] PASSED (function in /sys/kernel/debug/tracing/available_tracers)
  06:41:14 DEBUG| [stdout] PASSED (nop in /sys/kernel/debug/tracing/available_tracers)
  06:41:16 DEBUG| [stdout] PASSED (tracer function can be enabled)
  06:41:20 DEBUG| [stdout] PASSED (tracer function_graph can be enabled)
  06:41:20 ERROR| [stderr] grep: /tmp/ftrace-kernel-trace-2215.tmp.log: binary file matches
  06:41:20 DEBUG| [stdout] - tracer function_graph got enough data
  06:41:20 DEBUG| [stdout] - tracer function_graph completed
  06:41:20 DEBUG| [stdout] - tracer function_graph being turned off
  06:41:20 ERROR| [stderr] grep: /tmp/ftrace-kernel-trace-2215.tmp.log: binary file matches
  06:41:20 DEBUG| [stdout] - tracer got 1710 irq events
  06:41:23 DEBUG| [stdout] - tracer timerlat got enough data
  06:41:23 DEBUG| [stdout] - tracer timerlat completed
  06:41:23 DEBUG| [stdout] - tracer timerlat being turned off
  06:41:23 DEBUG| [stdout] - tracer nop being set as current tracer
  06:41:25 DEBUG| [stdout] PASSED (tracer timerlat can be enabled (got 105 lines of tracing output))
  06:41:27 DEBUG| [stdout] - tracer osnoise got enough data
  06:41:27 DEBUG| [stdout] - tracer osnoise completed
  06:41:27 DEBUG| [stdout] - tracer osnoise being turned off
  06:41:27 DEBUG| [stdout] - tracer nop being set as current tracer
  06:41:29 DEBUG| [stdout] PASSED (tracer osnoise can be enabled (got 11 lines of tracing output))
  06:41:30 DEBUG| [stdout] - tracer hwlat got enough data
  06:41:30 DEBUG| [stdout] - tracer hwlat completed
  06:41:30 DEBUG| [stdout] - tracer hwlat being turned off
  06:41:30 DEBUG| [stdout] - tracer nop being set as current tracer
  06:41:32 DEBUG| [stdout] PASSED (tracer hwlat can be enabled (got 13 lines of tracing output))
  06:41:33 DEBUG| [stdout] - tracer blk got enough data
  06:41:33 DEBUG| [stdout] - tracer blk completed
  06:41:33 DEBUG| [stdout] - tracer blk being turned off
  06:41:33 DEBUG| [stdout] - tracer nop being set as current tracer
  06:41:35 DEBUG| [stdout] PASSED (tracer blk can be enabled (got 2 lines of tracing output))
  06:41:36 DEBUG| [stdout] - tracer mmiotrace got enough data
  06:41:36 DEBUG| [stdout] - tracer mmiotrace completed
  06:41:36 DEBUG| [stdout] - tracer mmiotrace being turned off
  06:41:36 DEBUG| [stdout] - tracer nop being set as current tracer
  scp: /tmp/ubuntu_ftrace_smoke_test.sentinel: No such file or directory

  TEST SYSTEM FAILURE DETECTED
  A failure of the system under test has been detected.
  Please review log files for a potential panic, hang or unexpected reboot

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