kernel-packages team mailing list archive

[Siddu <1093217@xxxxxxxxxxxxxxxxxx>]

I may have come across a workaround. After diff-ing the Arch and Ubuntu
kernel configs (the only true difference as the Ubuntu mainline series
is impacted as well), I found that Arch compiles ACPI battery support as
a module, while Ubuntu has it built-in. The difference seems to manifest
in the time at which ACPI battery support is loaded. Since Arch has it
as a module and not in the initramfs, it loads the battery module after
the root filesystem comes up, long after the danger of a hang.
Recompiling the Ubuntu kernel using the kernel source package with
battery support as a module, adding a blacklist entry in /etc/modprobe.d
to prevent battery support from coming up too early, and adding a system
service in /etc/init to bring up the battery after filesystems are
mounted has worked so far for me and a friend with the same machine. The
only downside is that the kernel must be recompiled each time it is
released, unless Ubuntu adopts a change to their configs.

I made a PPA with current kernel packages (13.10 Saucy only) and a
"linux-z580" package with the two config/script files. It is offered
here, of course, without any warranty of any kind. Find it here:
https://launchpad.net/~sduddikunta/+archive/z580.

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https://bugs.launchpad.net/bugs/1093217

Title:
  8086:0166 [Lenovo IdeaPad Z580] 12.04-13.10 10-20min boot delay (From
  3.2.0.29->3.12-rc2)

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

Bug description:
  On updating the kernel from 3.2.0.29 to any later version (3.2.0.30)
  and above, Ubuntu will not boot. I see a blank screen with a cursor
  but nothing happens after that.

  Trying to boot into recovery mode is not useful either.

  Booting into an older version of the kernel (3.2.0.29) is successful.

  I have seen this issue with all kernels after 3.2.0.29 till date :
  3.2.0.31, 3.2.0.32, 3.2.0.33, 3.2.0.34, 3.2.0.35

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu15.1
  Architecture: i386, AMD64
  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:  abhishek   2104 F.... pulseaudio
   /dev/snd/pcmC0D0p:   abhishek   2104 F...m pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf0610000 irq 46'
     Mixer name	: 'Intel PantherPoint HDMI'
     Components	: 'HDA:10ec0269,17aa4022,00100202 HDA:80862806,80860101,00100000'
     Controls      : 26
     Simple ctrls  : 12
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=4b3dd96d-8b88-4dbf-97d4-e2d78e5ad0fc
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3)
  MachineType: LENOVO IdeaPad Z580
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic-pae root=UUID=a24e74a5-a245-4b37-b63c-96869939bf5c ro quiet splash
  ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-29-generic-pae N/A
   linux-backports-modules-3.2.0-29-generic-pae  N/A
   linux-firmware                                1.79.1
  StagingDrivers: rts5139 mei
  Tags:  precise running-unity staging
  Uname: Linux 3.2.0-29-generic-pae i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin netdev plugdev sambashare sudo
  dmi.bios.date: 06/11/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 5FCN34WW
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Lenovo
  dmi.board.vendor: LENOVO
  dmi.board.version: Lenovo Z580
  dmi.chassis.asset.tag: Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: Intel Corporation
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnLENOVO:bvr5FCN34WW:bd06/11/2012:svnLENOVO:pnIdeaPadZ580:pvrLenovoZ580:rvnLENOVO:rnLenovo:rvrLenovoZ580:cvnIntelCorporation:ct9:cvr0.1:
  dmi.product.name: IdeaPad Z580
  dmi.product.version: Lenovo Z580
  dmi.sys.vendor: LENOVO

  These logs were collected from 3.2.0.29 version which boots
  successfully

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