** Tags added: oem-priority originate-from-1969446 pygmy-possum

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https://bugs.launchpad.net/bugs/1942624

Title:
  NVMe devices fail to probe due to ACPI power state change

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Fix Released
Status in linux-oem-5.14 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Invalid
Status in linux-oem-5.14 source package in Focal:
  Fix Committed
Status in linux source package in Impish:
  Fix Committed
Status in linux-oem-5.14 source package in Impish:
  Invalid

Bug description:
  [Impact]
  * Specific NVMe devices fail to probe and become unusable after boot
  * Caused by an ACPI regression that doesn't correctly handle power states
  * Upstream regression commit:
    7e4fdeafa61f ACPI: power: Turn off unused power resources unconditionally
  * Regression window for Ubuntu kernels includes 5.13 and 5.14

  [Test Plan]
  * Boot affected kernel and validate whether NVMe device is usable
  * Check kernel logs for failed probe message:
    "can't change power state from D3Cold to D0 (config space inaccessible)"

  [Fix]
  * Fixed by not turning off power resources in unknown state
  * Fix was introduced by commit:
    bc2836859643 ACPI: PM: Do not turn off power resources in unknown state
  * Kernels starting with 5.15 (e.g. Jammy) not affected, as they already 
contain the fix above

  [Regression Potential]
  * NVMe devices continue failing to probe
  * Other devices become unusable after power state changes
  * Further regressions would affect power state of devices, possibly after boot

  --
  [Original Description]
  NVME "can't change power state from D3Cold to D0 (config space inaccessible)"

  Bug with kernels after version 5.11.0-18 on Lenovo Ideapad 330-15ICH.
  The NVME drive with my root partition cannot be mounted at boot with
  an error "can't change power state from D3Cold to D0 (config space
  inaccessible)". I'm willing to help find a root cause if I don't need
  to spent too many hours. All Ubuntu kernels after 5.11.0-18 exhibit
  this bug, but I could boot properly with the official linux kernel
  5.13.0. Thanks a lot for your help

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: linux-image-5.11.0-18-generic 5.11.0-18.19
  ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17
  Uname: Linux 5.11.0-18-generic x86_64
  ApportVersion: 2.20.11-0ubuntu65.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  chris      7503 F.... pulseaudio
   /dev/snd/pcmC0D0p:   chris      7503 F...m pulseaudio
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Sep  3 18:46:35 2021
  InstallationDate: Installed on 2019-07-17 (779 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 5986:210e Acer, Inc EasyCamera
   Bus 001 Device 004: ID 8087:0a2a Intel Corp. Bluetooth wireless interface
   Bus 001 Device 007: ID 1050:0407 Yubico.com Yubikey 4/5 OTP+U2F+CCID
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 81FK
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-18-generic 
root=UUID=9d963312-3a16-428d-8efd-f1323c6528f1 ro quiet nosplash 
crashkernel=512M-:192M
  RelatedPackageVersions:
   linux-restricted-modules-5.11.0-18-generic N/A
   linux-backports-modules-5.11.0-18-generic  N/A
   linux-firmware                             1.197.3
  SourcePackage: linux
  UpgradeStatus: Upgraded to hirsute on 2021-06-03 (92 days ago)
  dmi.bios.date: 10/24/2018
  dmi.bios.release: 1.29
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7ZCN29WW
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40709 WIN
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo ideapad 330-15ICH
  dmi.ec.firmware.release: 1.29
  dmi.modalias: 
dmi:bvnLENOVO:bvr7ZCN29WW:bd10/24/2018:br1.29:efr1.29:svnLENOVO:pn81FK:pvrLenovoideapad330-15ICH:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoideapad330-15ICH:
  dmi.product.family: ideapad 330-15ICH
  dmi.product.name: 81FK
  dmi.product.sku: LENOVO_MT_81FK_BU_idea_FM_ideapad 330-15ICH
  dmi.product.version: Lenovo ideapad 330-15ICH
  dmi.sys.vendor: LENOVO

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