** Description changed:

+ [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: 
+ * 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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https://bugs.launchpad.net/bugs/1811660

Title:
  [SRU] Unable to modify/create-namespace over NVDIMM-N

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