kernel-packages team mailing list archive

[juanmanuel <rockerito99@xxxxxxxxx>]

For those of you with a Samsung laptop showing this problem, please see
this issue:

           https://bugs.launchpad.net/ubuntu/+source/acpi/+bug/971061

in particular my last two posts.

I think a kernel patch can be made to flush the events (LID, AC
plug/unplug, etc) from the Embedded Controller, at resume, in the same
way that I do it with my C program that I attached to that issue for
Samsung laptops (and maybe others with the problem).

TL;DR: If the events don't get flushed (queried), the GPE of the EC is
never triggered again (chicken and egg situation), my little program
queries the events and "unstucks" the EC immediatly.

After that, LID and AC plugged events are reported normally.

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https://bugs.launchpad.net/bugs/1027368

Title:
  [Samsung NP530U3B-A01UK] Laptop does not suspend on lid close

Status in The Linux Kernel:
  Incomplete
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I've installed Ubuntu 12.04 on my wife's laptop, (a Samsung NP530U3B), all goes well except when I close the lid it does not suspend. I've checked the settings and it is set to suspend on lid close, though does not. Things I've noticed are:
  1 - Clicking suspend in the power menu works fine.
  2 - When I cat /proc/acpi/button/lid/LID0/state it always returns open, even when closed, (I ran a script that looped the cat then closed the lid)
  3 - Running the latest Ubuntu 12.10 alpha 2 does not work either.
  4 - The latest mainstream kernel 'linux-image-3.5.0-999-generic_3.5.0-999.201207190406_i386' does not work either.
  5 - One odd thing was that after installing the latest bios on the laptop using Windows 7, then restarting into Ubuntu worked once, then it never worked again. I tried booting in to Windows then rebooting back in to Ubuntu to see if that is what changed something but it did not work that time.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-26-generic-pae 3.2.0-26.41
  ProcVersionSignature: Ubuntu 3.2.0-26.41-generic-pae 3.2.19
  Uname: Linux 3.2.0-26-generic-pae i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  lou        2512 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf0700000 irq 50'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:10ec0269,144dc0c7,00100202 HDA:80862805,80860101,00100000'
     Controls      : 24
     Simple ctrls  : 11
  Date: Sat Jul 21 09:37:25 2012
  HibernationDevice: RESUME=UUID=3c27803e-5c58-4d5f-b649-d7357db99120
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-26-generic-pae root=UUID=36b0eced-301e-4fa8-a3e4-2c1466de4955 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-26-generic-pae N/A
   linux-backports-modules-3.2.0-26-generic-pae  N/A
   linux-firmware                                1.79
  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/11/2012
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: 08XK
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 530U3BI/530U4BI/530U4BH
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr08XK:bd07/11/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3BI/530U4BI/530U4BH:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn530U3BI/530U4BI/530U4BH:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 530U3BI/530U4BI/530U4BH
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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