Public bug reported:
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 Similar 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. But the problem occur also for shares without kerberos. 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.
I will add apport after getting the BUG-ID
---
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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-collected xenial
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1649292
Title:
NFS client : permission denied when trying to access subshare, since
kernel 4.4.0-31
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1649292/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
