Private bug reported: 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 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. ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Information type changed from Public to Private -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1811660 Title: Unable to modify/create-namespace over NVDIMM-N To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1811660/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
