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[Bug 1839450] Re: ubuntu_ftrace_smoke_test failed on D-aws a1.medium arm64 instance

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Po-Hsu Lin <1839450@xxxxxxxxxxxxxxxxxx>
Date: Fri, 24 Nov 2023 16:39:04 -0000
Reply-to: Bug 1839450 <1839450@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx

Disco EOL.

** Changed in: linux-aws (Ubuntu)
       Status: New => Invalid

** Changed in: ubuntu-kernel-tests
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/1839450

Title:
  ubuntu_ftrace_smoke_test failed on D-aws a1.medium arm64 instance

Status in ubuntu-kernel-tests:
  Won't Fix
Status in linux-aws package in Ubuntu:
  Invalid
Status in linux-aws source package in Disco:
  Won't Fix

Bug description:
  Issue found on AWS ARM64 instance a1.medium, passed on the other 2
  (a1.2xlarge / a1.large)

  Test failed with:
     FAILED (irq traces found must be > 32, got 18)

  PASSED (CONFIG_FUNCTION_TRACER=y in /boot/config-5.0.0-1011-aws)
  PASSED (CONFIG_FUNCTION_GRAPH_TRACER=y in /boot/config-5.0.0-1011-aws)
  PASSED (CONFIG_STACK_TRACER=y in /boot/config-5.0.0-1011-aws)
  PASSED (CONFIG_DYNAMIC_FTRACE=y in /boot/config-5.0.0-1011-aws)
  PASSED all expected /sys/kernel/debug/tracing files exist
  PASSED (function_graph in /sys/kernel/debug/tracing/available_tracers)
  PASSED (function in /sys/kernel/debug/tracing/available_tracers)
  PASSED (nop in /sys/kernel/debug/tracing/available_tracers)
  PASSED (function can be enabled)
  FAILED (irq traces found must be > 32, got 18)
  PASSED (function_graph can be enabled)
  PASSED (irq traces found must be > 32, got 9279)
  PASSED (tracer hwlat can be enabled (got 12 lines of tracing output))
  PASSED (tracer blk can be enabled (got 2 lines of tracing output))
  PASSED (tracer function_graph can be enabled (got 1374 lines of tracing output))
  PASSED (tracer wakeup_dl can be enabled (got 2 lines of tracing output))
  PASSED (tracer wakeup_rt can be enabled (got 66 lines of tracing output))
  PASSED (tracer wakeup can be enabled (got 64 lines of tracing output))
  PASSED (tracer function can be enabled (got 757 lines of tracing output))
  Summary: 18 passed, 1 failed

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: linux-image-5.0.0-1011-aws 5.0.0-1011.12
  ProcVersionSignature: User Name 5.0.0-1011.12-aws 5.0.15
  Uname: Linux 5.0.0-1011-aws aarch64
  ApportVersion: 2.20.10-0ubuntu27.1
  Architecture: arm64
  Date: Thu Aug  8 10:56:19 2019
  Ec2AMI: ami-0ac1a3bc4f5c85238
  Ec2AMIManifest: (unknown)
  Ec2AvailabilityZone: us-west-2c
  Ec2InstanceType: a1.medium
  Ec2Kernel: unavailable
  Ec2Ramdisk: unavailable
  SourcePackage: linux-aws
  UpgradeStatus: No upgrade log present (probably fresh install)

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