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[Bug 1511041] [NEW] initramfs-tools btrfs hook warning: /sbin/fsck.btrfs doesn't exist

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: fmaste <1511041@xxxxxxxxxxxxxxxxxx>
Date: Wed, 28 Oct 2015 16:49:51 -0000
Reply-to: Bug 1511041 <1511041@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

New warning after upgrade from 15.04 to 15.10
It appears that no script is using the binary, just there to repair a damaged btrfs drive if something fails while booting 

$ sudo update-initramfs -u -k all
update-initramfs: Generating /boot/initrd.img-4.2.0-16-generic
Warning: /sbin/fsck.btrfs doesn't exist, can't install to initramfs, ignoring.
update-initramfs: Generating /boot/initrd.img-3.19.0-31-generic
Warning: /sbin/fsck.btrfs doesn't exist, can't install to initramfs, ignoring.
$ sudo rgrep fsck.btrfs /etc/initramfs-tools/
$ sudo rgrep fsck.btrfs /usr/lib/initramfs-tools/
$ sudo rgrep fsck.btrfs /usr/share/initramfs-tools/
/usr/share/initramfs-tools/hooks/btrfs:	    copy_exec /bin/fsck.btrfs /bin

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-16-generic 4.2.0-16.19
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.2.0-16-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/hwC0D2', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
Date: Wed Oct 28 16:40:31 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-07-08 (111 days ago)
InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Release amd64 (20150422)
IwConfig:
 p1p1      no wireless extensions.
 
 lo        no wireless extensions.
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 04f3:0103 Elan Microelectronics Corp. ActiveJet K-2024 Multimedia Keyboard
 Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/vmlinuz-4.2.0-16-generic.efi.signed root=UUID=fb39de06-cf03-43a0-a736-ac681cf65dcb ro rootflags=subvol=@
RelatedPackageVersions:
 linux-restricted-modules-4.2.0-16-generic N/A
 linux-backports-modules-4.2.0-16-generic  N/A
 linux-firmware                            1.149
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: Upgraded to wily on 2015-10-27 (1 days ago)
dmi.bios.date: 11/04/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.70
dmi.board.name: Q1900B-ITX
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.70:bd11/04/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnQ1900B-ITX:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.

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


** Tags: amd64 apport-bug wily

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https://bugs.launchpad.net/bugs/1511041

Title:
  initramfs-tools btrfs hook warning: /sbin/fsck.btrfs doesn't exist

Status in linux package in Ubuntu:
  New

Bug description:
  New warning after upgrade from 15.04 to 15.10
  It appears that no script is using the binary, just there to repair a damaged btrfs drive if something fails while booting 

  $ sudo update-initramfs -u -k all
  update-initramfs: Generating /boot/initrd.img-4.2.0-16-generic
  Warning: /sbin/fsck.btrfs doesn't exist, can't install to initramfs, ignoring.
  update-initramfs: Generating /boot/initrd.img-3.19.0-31-generic
  Warning: /sbin/fsck.btrfs doesn't exist, can't install to initramfs, ignoring.
  $ sudo rgrep fsck.btrfs /etc/initramfs-tools/
  $ sudo rgrep fsck.btrfs /usr/lib/initramfs-tools/
  $ sudo rgrep fsck.btrfs /usr/share/initramfs-tools/
  /usr/share/initramfs-tools/hooks/btrfs:	    copy_exec /bin/fsck.btrfs /bin

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-16-generic 4.2.0-16.19
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.2.0-16-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/hwC0D2', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  Date: Wed Oct 28 16:40:31 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-07-08 (111 days ago)
  InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Release amd64 (20150422)
  IwConfig:
   p1p1      no wireless extensions.
   
   lo        no wireless extensions.
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 04f3:0103 Elan Microelectronics Corp. ActiveJet K-2024 Multimedia Keyboard
   Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/vmlinuz-4.2.0-16-generic.efi.signed root=UUID=fb39de06-cf03-43a0-a736-ac681cf65dcb ro rootflags=subvol=@
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-16-generic N/A
   linux-backports-modules-4.2.0-16-generic  N/A
   linux-firmware                            1.149
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: Upgraded to wily on 2015-10-27 (1 days ago)
  dmi.bios.date: 11/04/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.70
  dmi.board.name: Q1900B-ITX
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.70:bd11/04/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnQ1900B-ITX:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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Follow ups

[Bug 1511041] Re: initramfs-tools btrfs hook warning: /sbin/fsck.btrfs doesn't exist
From: Alberto Salvia Novella, 2015-12-11
[Bug 1511041] Status changed to Confirmed
From: Brad Figg, 2015-10-28