kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

** Tags removed: kernel-bug-exists-upstream-3.13.0 kernel-bug-exists-upstream-3.13.0-rc1 kernel-bug-exists-upstream-3.13.11 kernel-bug-exists-upstream-3.14.1 kernel-bug-exists-upstream-4.2-rc3-unstable
** Tags added: kernel-bug-exists-upstream-4.2-rc3

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https://bugs.launchpad.net/bugs/1472293

Title:
  load >= 1 while idle for no obvious reason with ACPI

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  My idling server will stay at load >=1 if ACPI is active, for no
  obvious reason.

  Adding "acpi=off" to grub will resolve this and load falls to 0.0x as
  expected.

  But I use the power button to tell the box to shut down and without
  ACPI, systemd cannot respond to the power button's ACPI event.

  My server is an Acer Easystore H340, that's a small NAS box with four
  disk bays and an Atom 230 in it. That's standard x86 hardware capable
  of running x86_64 kernels.

  Recently, it was upgraded from 14.10 to 15.04 x86_64. Only after that
  upgrade did I notice the load >= 1 problem, although it may have been
  there in previous releases, already.

  No idea how to debug this.

  To resolve this, I either need
  - a way to fix load >= 1 with ACPI
  or
  - a way to respond to the power button without ACPI

  Thanks.
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jul   9 09:24 seq
   crw-rw---- 1 root audio 116, 33 Jul   9 09:24 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  DistroRelease: Ubuntu 15.04
  InstallationDate: Installed on 2015-03-16 (115 days ago)
  InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Acer Aspire easyStore H340
  Package: linux (not installed)
  PciMultimedia:
   
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-22-generic root=UUID=956a13ed-762e-4b00-8688-67f6339d5c37 ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw
  ProcVersionSignature: Ubuntu 3.19.0-22.22-generic 3.19.8-ckt1
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-22-generic N/A
   linux-backports-modules-3.19.0-22-generic  N/A
   linux-firmware                             1.143.1
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  vivid vivid
  Uname: Linux 3.19.0-22-generic x86_64
  UnreportableReason: The report belongs to a package that is not installed.
  UpgradeStatus: Upgraded to vivid on 2015-04-24 (76 days ago)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 02/03/2009
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: P03
  dmi.board.asset.tag: 0123456789
  dmi.board.name: WG945GCM
  dmi.board.vendor: Acer
  dmi.board.version: -1
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 1
  dmi.chassis.vendor: Acer
  dmi.chassis.version: A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrP03:bd02/03/2009:svnAcer:pnAspireeasyStoreH340:pvr-1:rvnAcer:rnWG945GCM:rvr-1:cvnAcer:ct1:cvrA:
  dmi.product.name: Aspire easyStore H340
  dmi.product.version: -1
  dmi.sys.vendor: Acer
  --- 
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  DistroRelease: Ubuntu 15.04
  InstallationDate: Installed on 2015-03-16 (125 days ago)
  InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  Package: linux (not installed)
  Tags:  vivid
  Uname: Linux 3.12.44-031244-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: Upgraded to vivid on 2015-04-24 (87 days ago)
  UserGroups:
   
  _MarkForUpload: True

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