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[Bug 1093528] Re: new mainline kernel suffered regression - ubuntu stuck at "initial ramdisk"


Tommy_CZ, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:

where VERSION-NUMBER is the version number of the kernel you tested. For example:

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:

If the mainline kernel does not fix this bug, please add the following tags:

As well, please remove the tag:

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your

** This bug is no longer a duplicate of bug 1093217
   8086:0166 [Lenovo IdeaPad Z580] 12.04-13.10 10-20min boot delay (From>3.12-rc2)

** Tags added: latest-bios-5fcn34ww needs-upstream-testing regression-

** Tags removed: regression-release
** Tags added: regression-update

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

** Summary changed:

- new mainline kernel suffered regression - ubuntu stuck at "initial ramdisk"
+ [Lenovo IdeaPad Z580] new mainline kernel suffered regression - ubuntu stuck at "initial ramdisk"

** Summary changed:

- [Lenovo IdeaPad Z580] new mainline kernel suffered regression - ubuntu stuck at "initial ramdisk"
+ [Lenovo IdeaPad Z580] ubuntu kernel regression - stuck at "initial ramdisk"

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  [Lenovo IdeaPad Z580] ubuntu kernel regression - stuck at "initial

Status in “linux” package in Ubuntu:

Bug description:
  Hi, I upgraded my Ubuntu 12.10 after installation (so kernel was upgraded from 3.5.0-17 to 3.5.0-21) and rebooted. 
  Results: Ubuntu cannot boot, it freezes at "initial ramdisk". If I switch to kernel 3.5.0-17 ubuntu boots without problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-headers-3.5.0-21-generic 3.5.0-21.32
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
   /dev/snd/controlC0:  barca      1995 F.... pulseaudio
  Date: Mon Dec 24 22:50:12 2012
  HibernationDevice: RESUME=UUID=723c713e-fcf8-42a8-8fa7-e8ccf57610db
  InstallationDate: Installed on 2012-12-24 (0 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: LENOVO IdeaPad Z580
  MarkForUpload: True
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-17-generic root=/dev/mapper/ubuntu-root ro quiet splash
   linux-restricted-modules-3.5.0-17-generic N/A
   linux-backports-modules-3.5.0-17-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  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

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