On Mon, Apr 16, 2018 at 5:31 PM, Joseph Salisbury
<joseph.salisb...@canonical.com> wrote:
> On 04/13/2018 05:34 PM, Rafael J. Wysocki wrote:
>> On Fri, Apr 13, 2018 at 7:56 PM, Joseph Salisbury
>> <joseph.salisb...@canonical.com> wrote:
>>> Hi Rafael,
>>> A kernel bug report was opened against Ubuntu [0].  After a kernel
>>> bisect, it was found that reverting the following two commits resolved
>>> this bug:
>>> 0ce3fcaff929 ("PCI / PM: Restore PME Enable after config space restoration")
>>> 0847684cfc5f("PCI / PM: Simplify device wakeup settings code")
>>> This is a regression introduced in v4.13-rc1 and still exists in
>>> mainline.  The bug causes the battery to drain when the system is
>>> powered down and unplugged, which does not happed prior to these two
>>> commits.
>> What system and what do you mean by "powered down"?  How much time
>> does it take for the battery to drain now?
> By powered down, the bug reporter is saying physically powered off and
> unplugged.  The system is a HP laptop:
> dmi.chassis.vendor: HP
> dmi.product.family: 103C_5335KV HP Notebook
> dmi.product.name: HP Notebook
> vendor_id    : GenuineIntel
> cpu family    : 6
>>> The bisect actually pointed to commit de3ef1e, but reverting
>>> these two commits fixes the issue.
>>> I was hoping to get your feedback, since you are the patch author.  Do
>>> you think gathering any additional data will help diagnose this issue,
>>> or would it be best to submit a revert request?
>> First, reverting these is not an option or you will break systems
>> relying on them now.  4.13 is three releases back at this point.
>> Second, your issue appears to be related to the suspend/shutdown path
>> whereas commit 0ce3fcaff929 is mostly about resume, so presumably the
>> change in pci_enable_wake() causes the problem to happen.  Can you try
>> to revert this one alone and see if that helps?
> A test kernel with commits 0ce3fcaff929 and de3ef1eb1cd0 reverted was
> tested.  However, the test kernel still exhibited the bug.

So essentially the bisection result cannot be trusted.

You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.

  Battery drains when laptop is off  (shutdown)

Status in Linux:
Status in acpi package in Ubuntu:
Status in linux package in Ubuntu:
  In Progress
Status in acpi source package in Artful:
Status in linux source package in Artful:
  In Progress

Bug description:
  I am using hp AY008tx laptop , and many other laptop users (HP) are also 
facing the same issue . The problem don't occur when i install windows 10 . 
Now, only ubuntu is installed.
  i am using latest bios insyde20 rev 5.(latest)
  WOL disabled and no usb device connected
  checked my battery .
  it don't happen when i remove battery and plug it again after shutdown.
  tried laptop_mode_tools and tpl too

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.13.0-31-generic 4.13.0-31.34~16.04.1
  ProcVersionSignature: Ubuntu 4.13.0-31.34~16.04.1-generic 4.13.13
  Uname: Linux 4.13.0-31-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Jan 26 22:50:53 2018
  InstallationDate: Installed on 2018-01-25 (1 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
  SourcePackage: linux-hwe
  UpgradeStatus: No upgrade log present (probably fresh install)
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
   /dev/snd/controlC0:  gopal      2391 F.... pulseaudio
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=0bf03973-049c-480e-9e14-7596bf68d994
  InstallationDate: Installed on 2018-01-25 (1 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 04f2:b56c Chicony Electronics Co., Ltd
   Bus 001 Device 002: ID 0a5c:216d Broadcom Corp.
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: HP HP Notebook
  NonfreeKernelModules: wl
  Package: linux (not installed)
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-31-generic.efi.signed 
root=UUID=3a4ef59e-130a-4ce0-92d3-2fc42f5c9f59 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.13.0-31.34~16.04.1-generic 4.13.13
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
   linux-restricted-modules-4.13.0-31-generic N/A
   linux-backports-modules-4.13.0-31-generic  N/A
   linux-firmware                             1.157.15
  Tags:  xenial
  Uname: Linux 4.13.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)

  _MarkForUpload: True
  dmi.bios.date: 11/01/2017
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.40
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 81EC
  dmi.board.vendor: HP
  dmi.board.version: 61.58
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.product.family: 103C_5335KV HP Notebook
  dmi.product.name: HP Notebook
  dmi.product.version: Type1ProductConfigId
  dmi.sys.vendor: HP

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