Sorry, the second half of my post was from the NFS server (running 16.04) where the file system is local.
This here is a a 14.04 NFS *CLIENT* [10:26] harenber@whep-web:~ $ ls /common/home/ aquota.user ernis hamacher lehmann riegel tepel arwa errenst harenber lenz roggel thartmann becks fausten harenberg link sahu tsang bergenth Finanzen hartbrich lisa sandhoff ugrin bocprod fischer hirsch lost+found sanny umesh boerner fleischm ilc maettig schick volkmer christina flick israeli moeller scholz wagner cmwagner fp jaekel mvogel schuelerp weiss dcs fstroth jem neumann schuh wensing debus getsimple kathrin ofir schulz wwwhome drees ggilles kersten partimag seema yarr duda glitza kind pataraia sekretariat yildirim duelsen goetze kuechler physik2 springer zeitnitz elkhalii grollius lang pro_ttbar_s sweber elli haeusling lapitckii puellen tcorneli [10:26] harenber@whep-web:~ $ uname -a Linux whep-web 3.13.0-77-generic #121-Ubuntu SMP Wed Jan 20 10:50:42 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux [10:26] harenber@whep-web:~ $ klist Ticket cache: FILE:/tmp/krb5cc_1548_UcLLWT Default principal: haren...@pleiades.uni-wuppertal.de Valid starting Expires Service principal 10/06/2016 10:26:31 10/07/2016 10:26:31 krbtgt/pleiades.uni-wuppertal...@pleiades.uni-wuppertal.de [10:26] harenber@whep-web:~ $ mount | grep nfs whep-nfs.pleiades.uni-wuppertal.de:/home on /common/home type nfs4 (rw,sec=krb5i,soft,addr=132.195.125.8,clientaddr=132.195.124.14) [10:27] harenber@whep-web:~ $ So 14.04 client: works, 16.04 client does not work, neither with 4.4.0 nor with 4.4.23 kernel. Best regards, Torsten -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1604396 Title: Kernel 4.4.0-31 cd into NFS4 directory: Operation not permitted Status in linux package in Ubuntu: Triaged Status in linux source package in Xenial: Triaged Bug description: Since apt-upgrading my Ubuntu 16.04 PC to kernel 4.4.0-31 I can't cd into NFS4 subvolumes any more: zierke@rzpc100$ uname -a Linux rzpc100 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux zierke@rzpc100$ kinit Password for zie...@informatik.uni-hamburg.de: zierke@rzpc100$ cd /informatik2 zierke@rzpc100$ cd rz -bash: cd: /informatik2/rz: Operation not permitted When I reboot my PC with the previous kernel 4.4.0-28 this works fine. This problem has also been mentioned in https://www.kubuntuforums.net/showthread.php?70499-Latest-16-04-bug-NFS-problem-no-access-unless-I-use-root-first-strange https://ubuntuforums.org/showthread.php?t=2331137 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1604396/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
