Tested latest ndctl version 66 with ubuntu 4.15.0-60-generic Still the same issue. Do I need a kernel fix?
root@srl-mds2:~# module load ndctl/66 root@srl-mds2:~# which ndctl /cm/shared/apps/ndctl/66/bin/ndctl root@srl-mds2:~# ldd /cm/shared/apps/ndctl/66/bin/ndctl linux-vdso.so.1 (0x00007ffff7ffa000) libndctl.so.6 => /cm/shared/apps/ndctl/66/usr/lib/libndctl.so.6 (0x00007ffff7985000) libdaxctl.so.1 => /cm/shared/apps/ndctl/66/usr/lib/libdaxctl.so.1 (0x00007ffff777d000) libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007ffff7576000) libjson-c.so.3 => /lib/x86_64-linux-gnu/libjson-c.so.3 (0x00007ffff736b000) libkeyutils.so.1 => /lib/x86_64-linux-gnu/libkeyutils.so.1 (0x00007ffff7167000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007ffff6d76000) libudev.so.1 => /lib/x86_64-linux-gnu/libudev.so.1 (0x00007ffff6b58000) libkmod.so.2 => /lib/x86_64-linux-gnu/libkmod.so.2 (0x00007ffff6941000) /lib64/ld-linux-x86-64.so.2 (0x00007ffff7dd5000) librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007ffff6739000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007ffff651a000) root@srl-mds2:~# ndctl create-namespace --mode fsdax --map dev -e namespace0.0 -f -vvv enable_labels:1029: region0: failed to initialize labels namespace_reconfig:1061: region0: no idle namespace seed failed to reconfigure namespace: No such device -- 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/1811660 Title: [SRU] Unable to modify/create-namespace over NVDIMM-N Status in The Dell-poweredge project: New Status in linux package in Ubuntu: Incomplete Bug description: [Impact] Users are unable to modify or create namespaces over NVDIMM-N [Test Case] Steps to Reproduce: 1. Setup a Dell EMC 14G server R740xd server with NVDIMM-N, update BIOS & NVDIMM firmware to latest available to customers. 2. Install and boot to Ubuntu 18.04 3. Notice that no pmems are enumerated. 4. Try #ndctl create-namespace -> Failure with device or resource busy. Actual results: No pmems are enumerated, cannot create namespaces. If pmems are already present, then cannot modify the namespaces. Expected results: namespace creation should be possible [Regression Potential] The Regression Risk is low, Intel not impacted but Dell is. [Other Info] Additional Info: * Seen with upstream linux-4.20.2 also. * Upstream bug report - https://github.com/pmem/ndctl/issues/78 * Upstream kernel patch: https://lists.01.org/pipermail/linux-nvdimm/2019-January/019435.html Request you to incorporate it in bionic and xenial kernels. To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1811660/+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