Hi, I cannot verify that the new upstream kernel fixes that.
Also suffering from not being able to log into an NFS4/Kerberoized directory with 16.04 anymore while the same works fine on 14.04. idmapd are configured identically. Ubuntu 16.04 (with new upstream kernel) ------------ Could not chdir to home directory /common/home/harenber: Permission denied groups: cannot find name for group ID 50094 -bash: /common/home/harenber/.bash_profile: Permission denied harenber@bene:/$ mount | grep nfs whep-nfs.pleiades.uni-wuppertal.de:/home on /common/home type nfs4 (rw,relatime,vers=4.0,rsize=8192,wsize=8192,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=krb5i,clientaddr=132.195.104.97,local_lock=none,addr=132.195.125.8) harenber@bene:/$ cd /common harenber@bene:/common$ ls -l total 4 drwxr-xr-x 88 root users 4096 Sep 30 13:08 home harenber@bene:/common$ cd home -bash: cd: home: Permission denied harenber@bene:/common$ klist Ticket cache: KEYRING:persistent:1548:krb_ccache_JGqN6o8 Default principal: haren...@pleiades.uni-wuppertal.de Valid starting Expires Service principal 06.10.2016 10:08:11 07.10.2016 10:08:11 krbtgt/pleiades.uni-wuppertal...@pleiades.uni-wuppertal.de harenber@bene:/common$ kinit -f Password for haren...@pleiades.uni-wuppertal.de: harenber@bene:/common$ klist Ticket cache: KEYRING:persistent:1548:krb_ccache_JGqN6o8 Default principal: haren...@pleiades.uni-wuppertal.de Valid starting Expires Service principal 06.10.2016 10:09:10 07.10.2016 10:09:07 krbtgt/pleiades.uni-wuppertal...@pleiades.uni-wuppertal.de harenber@bene:/common$ ls -l ls: cannot access 'home': Permission denied total 0 d????????? ? ? ? ? ? home harenber@bene:/common$ uname -a Linux bene.physik.uni-wuppertal.de 4.4.23-040423-generic #201609300709 SMP Fri Sep 30 11:11:23 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux harenber@bene:/common$ whereas on 14.04: [10:10] harenber@whep-nfs:~ $ klist Ticket cache: FILE:/tmp/krb5cc_1548_S3S8IP Default principal: haren...@pleiades.uni-wuppertal.de Valid starting Expires Service principal 10/06/2016 10:10:07 10/07/2016 10:10:07 krbtgt/pleiades.uni-wuppertal...@pleiades.uni-wuppertal.de [10:10] harenber@whep-nfs:~ $ cd /common [10:10] harenber@whep-nfs:/common $ ls home [10:10] harenber@whep-nfs:/common $ cd home [10:10] harenber@whep-nfs:/common/home $ uname -a Linux whep-nfs 4.4.0-38-generic #57-Ubuntu SMP Tue Sep 6 15:42:33 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux [10:10] harenber@whep-nfs:/common/home $ 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
