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[Bug 1951595] Re: ubuntu_ltp_kernel_misc:cpufreq_boost: cpufreq_boost.c:178: Failed to close FILE '/sys/devices/system/cpu/cpufreq/boost'

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Benjamin Wheeler <1951595@xxxxxxxxxxxxxxxxxx>
Date: Tue, 28 Jan 2025 14:05:45 -0000
Reply-to: Bug 1951595 <1951595@xxxxxxxxxxxxxxxxxx>
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Issue also found on jammy/linux-realtime kernel version 5.15.0-1078.86.

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https://bugs.launchpad.net/bugs/1951595

Title:
  ubuntu_ltp_kernel_misc:cpufreq_boost: cpufreq_boost.c:178: Failed to
  close FILE '/sys/devices/system/cpu/cpufreq/boost'

Status in ubuntu-kernel-tests:
  New

Bug description:
  On scobee-kernel(arm64) with focal:linux-
  hwe-5.13(5.13.0-22.22~20.04.1) on sru-20211108 this test fails with
  the following messages:

  Running tests.......
  cpufreq_boost    0  TINFO  :  found 'acpi_cpufreq' driver, sysfs knob '/sys/devices/system/cpu/cpufreq/boost'
  cpufreq_boost    0  TINFO  :  maximum speed is 2600000 KHz
  cpufreq_boost    1  TBROK  :  cpufreq_boost.c:178: Failed to close FILE '/sys/devices/system/cpu/cpufreq/boost': errno=EINVAL(22): Invalid argument
  cpufreq_boost    2  TBROK  :  cpufreq_boost.c:178: Remaining cases broken
  INFO: ltp-pan reported some tests FAIL
  LTP Version: 20210927
  INFO: Test end time: Thu Nov 11 01:55:09 UTC 202101:55:11 INFO |     END ERROR    ubuntu_ltp_kernel_misc.cpufreq_boost    ubuntu_ltp_kernel_misc.cpufreq_boost    timestamp=1636595711    localtime=Nov 11 01:55:11

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