Would it be possible for you to test the latest upstream stable kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.4 stable kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.23 ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Tags added: kernel-da-key needs-bisect xenial -- 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: Incomplete 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
