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[Bug 1237394] Re: pps_core: module verification failed: signature and/or required key missing - tainting kernel

 

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

** Tags removed: kernel-key

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Title:
  pps_core: module verification failed: signature and/or required key
  missing - tainting kernel

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  pps_core taints the kernel:

  # dmesg|grep -i4 taint
  [    1.370203] Write protecting the kernel text: 6356k
  [    1.370257] Write protecting the kernel read-only data: 2644k
  [    1.370260] NX-protecting the kernel data: 5932k
  [    1.388264] systemd-udevd[90]: starting version 204
  [    1.441543] pps_core: module verification failed: signature and/or required key missing - tainting kernel
  [    1.441754] pps_core: LinuxPPS API ver. 1 registered
  [    1.441759] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx>
  [    1.441991] PTP clock support registered
  [    1.458240] ahci 0000:00:1f.2: version 3.0

  Can this be corrected?

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-12-generic 3.11.0-12.18
  ProcVersionSignature: Ubuntu 3.11.0-12.18-generic 3.11.3
  Uname: Linux 3.11.0-12-generic i686
  ApportVersion: 2.12.5-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  lightdm    1522 F.... pulseaudio
  Date: Wed Oct  9 15:01:03 2013
  HibernationDevice: RESUME=UUID=765ea940-a006-4825-a979-c4ec48d81572
  InstallationDate: Installed on 2013-10-08 (0 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
  MachineType: Acer Extensa 5230
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=5a5a0960-705c-4925-88fa-bcb05eb87c12 ro crashkernel=384M-2G:64M,2G-:128M noquiet nosplash
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  SourcePackage: linux
  UpgradeStatus: Upgraded to saucy on 2013-10-09 (0 days ago)
  dmi.bios.date: 10/30/2009
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: V1.36
  dmi.board.name: Homa
  dmi.board.vendor: Acer
  dmi.board.version: Rev
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.36:bd10/30/2009:svnAcer:pnExtensa5230:pvr0100:rvnAcer:rnHoma:rvrRev:cvnAcer:ct10:cvrN/A:
  dmi.product.name: Extensa 5230
  dmi.product.version: 0100
  dmi.sys.vendor: Acer

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