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[Bug 1574211] Re: The "nolapic" boot option causes a kernel panic


Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

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

Once testing of the upstream kernel is complete, please mark this bug as

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-rc6-wily/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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

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  The "nolapic" boot option causes a kernel panic

Status in linux package in Ubuntu:

Bug description:
  The kernel parameter "nolapic" causes an unrecoverable kernel panic
  with the 4.4.0-21 kernel in Xenial (16.04). I've verified this on two
  different machines. The 4.2.0-36 kernel from 15.10 boots without
  problems, with the same options. The kernel-logs contain no
  information on the failed boot attempts.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-21-generic 4.4.0-21.37
  ProcVersionSignature: Ubuntu 4.2.0-36.41-generic 4.2.8-ckt8
  Uname: Linux 4.2.0-36-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
   /dev/snd/controlC1:  levien     2391 F.... pulseaudio
   /dev/snd/controlC0:  levien     2391 F.... pulseaudio
  CurrentDesktop: MATE
  Date: Sun Apr 24 11:54:14 2016
  HibernationDevice: RESUME=UUID=df18bec1-dd4a-4c76-bb15-065133e0ffd0
  InstallationDate: Installed on 2016-02-11 (72 days ago)
  InstallationMedia: Ubuntu-MATE 15.10 "Wily Werewolf" - Release amd64 (20151021)
   lo        no wireless extensions.
   enp0s10   no wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-36-generic root=UUID=c0232677-d281-4213-a6ec-682260728775 ro nolapic quiet splash
   linux-restricted-modules-4.2.0-36-generic N/A
   linux-backports-modules-4.2.0-36-generic  N/A
   linux-firmware                            1.157
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-04-23 (0 days ago)
  dmi.bios.date: 09/10/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1801
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M3N78-VM
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1801:bd09/10/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM3N78-VM:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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