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[Launchpad Bug Tracker <1431214@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: unattended-upgrades (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1431214

Title:
  Unattended-upgrades triggers kernel taint when rebuilding initrd

Status in unattended-upgrades package in Ubuntu:
  Confirmed

Bug description:
  Kernel logs from unattended-upgrades doing mkinitrd resemble Bug
  #1253155 symptoms.

  Mar 12 06:31:51 network kernel: [213747.796032] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213747.867554] xfs: module verification failed: signature and/or  required key missing - tainting kernel
  Mar 12 06:31:51 network kernel: [213747.958590] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled
  Mar 12 06:31:51 network kernel: [213748.044351] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.055870] JFS: nTxBlock = 8192, nTxLock = 65536
  Mar 12 06:31:51 network kernel: [213748.082768] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.085263] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.090305] NTFS driver 2.1.30 [Flags: R/O MODULE].
  Mar 12 06:31:51 network kernel: [213748.092232] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.094614] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.096672] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.118238] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.119378] QNX4 filesystem 0.2.3 registered.
  Mar 12 06:31:51 network kernel: [213748.120663] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.123118] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.144586] xor: automatically using best checksumming function:
  Mar 12 06:31:51 network kernel: [213748.184004]    avx       : 35873.000 MB/sec
  Mar 12 06:31:51 network kernel: [213748.184139] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.252009] raid6: sse2x1   11454 MB/s
  Mar 12 06:31:51 network kernel: [213748.320008] raid6: sse2x2   14362 MB/s
  Mar 12 06:31:51 network kernel: [213748.388007] raid6: sse2x4   16577 MB/s
  Mar 12 06:31:51 network kernel: [213748.456004] raid6: avx2x1   22081 MB/s
  Mar 12 06:31:51 network kernel: [213748.524006] raid6: avx2x2   25473 MB/s
  Mar 12 06:31:51 network kernel: [213748.592005] raid6: avx2x4   29788 MB/s
  Mar 12 06:31:51 network kernel: [213748.592006] raid6: using algorithm avx2x4 (29788 MB/s)
  Mar 12 06:31:51 network kernel: [213748.592006] raid6: using avx2x2 recovery algorithm
  Mar 12 06:31:51 network kernel: [213748.609455] Request for unknown module key 'Magrathea: Glacier signing key: c7613364bc2aa19d70bf0c6e59bf8acaff65c879' err -11
  Mar 12 06:31:51 network kernel: [213748.626343] bio: create slab <bio-1> at 1
  Mar 12 06:31:51 network kernel: [213748.660695] Btrfs loaded

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unattended-upgrades 0.82.1ubuntu2.1
  ProcVersionSignature: Ubuntu 3.13.0-46.77-generic 3.13.11-ckt15
  Uname: Linux 3.13.0-46-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  Date: Thu Mar 12 10:32:26 2015
  InstallationDate: Installed on 2014-12-20 (81 days ago)
  InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3)
  PackageArchitecture: all
  SourcePackage: unattended-upgrades
  UpgradeStatus: No upgrade log present (probably fresh install)

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