** Also affects: dell-poweredge
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1811660
Title:
Unable to modify/create-namespace over NVDIMM-N
Status in The Dell-poweredge project:
New
Status in linux package in Ubuntu:
Incomplete
Bug description:
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.
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