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[Bug 1271742] [NEW] CONFIG_PREEMPT is not set. Why?

 

Public bug reported:

Since the generic kernel is for generic desktop use CONFIG_PREEMPT
should be set. CONFIG_NO_HZ is already there so it seems strange to me
that preempt is not especially because recommendations for desktop
system usually includes building a preemptible kernel.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-tools-3.13.0-5-generic (not installed)
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
Uname: Linux 3.13.0-5-generic i686
ApportVersion: 2.13.1-0ubuntu1
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  sgh        2201 F.... pulseaudio
CurrentDesktop: KDE
Date: Wed Jan 22 23:12:08 2014
InstallationDate: Installed on 2013-12-24 (29 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha i386 (20131224)
MachineType: LENOVO 2356GCG
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic root=UUID=6376d4d7-bb9e-4488-bb5f-798e6c41f3fc ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-5-generic N/A
 linux-backports-modules-3.13.0-5-generic  N/A
 linux-firmware                            1.122
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/02/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: G7ET31WW (1.13 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2356GCG
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrG7ET31WW(1.13):bd07/02/2012:svnLENOVO:pn2356GCG:pvrThinkPadT430s:rvnLENOVO:rn2356GCG:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2356GCG
dmi.product.version: ThinkPad T430s
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 trusty

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https://bugs.launchpad.net/bugs/1271742

Title:
  CONFIG_PREEMPT is not set. Why?

Status in “linux” package in Ubuntu:
  New

Bug description:
  Since the generic kernel is for generic desktop use CONFIG_PREEMPT
  should be set. CONFIG_NO_HZ is already there so it seems strange to me
  that preempt is not especially because recommendations for desktop
  system usually includes building a preemptible kernel.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-tools-3.13.0-5-generic (not installed)
  ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
  Uname: Linux 3.13.0-5-generic i686
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sgh        2201 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Wed Jan 22 23:12:08 2014
  InstallationDate: Installed on 2013-12-24 (29 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha i386 (20131224)
  MachineType: LENOVO 2356GCG
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-5-generic root=UUID=6376d4d7-bb9e-4488-bb5f-798e6c41f3fc ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-5-generic N/A
   linux-backports-modules-3.13.0-5-generic  N/A
   linux-firmware                            1.122
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/02/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G7ET31WW (1.13 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 2356GCG
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG7ET31WW(1.13):bd07/02/2012:svnLENOVO:pn2356GCG:pvrThinkPadT430s:rvnLENOVO:rn2356GCG:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2356GCG
  dmi.product.version: ThinkPad T430s
  dmi.sys.vendor: LENOVO

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