group.of.nepali.translators team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

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

** Tags added: kernel-da-key

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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

** Changed in: linux (Ubuntu Xenial)
       Status: New => Triaged

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

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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1649292

Title:
  NFS client : permission denied when trying to access subshare, since
  kernel 4.4.0-31

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Xenial:
  Triaged

Bug description:
  Similar like Bug #1603719 or Bug #1604396 i got a "Permission denied"
  when trying to access a NFS subshare from our NFSv4 Server.

  I tried this under (K)ubuntu Trusty and Xenial and also with the
  ubuntu based Mint Versions 17.3 Rosa an 18 Sarah.

  Kernel Versions higher than 4.4.0-31 from offical Ubuntu Repository has the problem.
  Before 4.4.0-31 not. For safety reasons i used the linux-generic-lts-wily meta package

  The 4.4 mainline kernel also works without problem currently
  (4.4.37-040437-generic)

  Our NFS server runs under FreeBSD 11, but same problems to the clients
  with FreeBSD 10.3 and OmniOS r151018.

  All NFS servers use ZFS as the filesystem and NFSv4 with kerberos for
  sharing. For the basic structure we use  also ZFS filesystems.

  So my homefolder is located on the server under
  /apool/AIS/share/home/staff/fili/linux ... each level is a ZFS
  filesystem. On the client nfs share /apool/AIS/share/home is mounted
  under /home/VI

  My posix homedirectory path is /home/VI/staff/fili/linux

  When i try to login i got access to /home/VI/staff/fili ... but when i
  try to access the linux directory / zfs filesystem i got the
  permission denied.

  The fstab options for /home/VI are
  _netdev,rw,sync,sec=krb5,nfsvers=4,clientaddr=w.x.y.z

  I tried also autofs but with the same result.

  ---
  ApportVersion: 2.20.1-0ubuntu2.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  system     1812 F.... pulseaudio
   /dev/snd/controlC0:  system     1812 F.... pulseaudio
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=85a1880e-b78e-49d6-888c-342e47405712
  InstallationDate: Installed on 2016-10-17 (56 days ago)
  InstallationMedia: Kubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  IwConfig:
   enp7s0    no wireless extensions.

   lo        no wireless extensions.
  MachineType: System manufacturer System Product Name
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  Package: linux (not installed)
  ProcFB:

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-57-generic root=UUID=db11df78-a07d-44b5-8fe3-0f67e7a5ff51 ro
  ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-57-generic N/A
   linux-backports-modules-4.4.0-57-generic  N/A
   linux-firmware                            1.157.5
  RfKill:

  Tags:  xenial
  Uname: Linux 4.4.0-57-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 09/24/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1205
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P6T WS PRO
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1205:bd09/24/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6TWSPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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