** Also affects: ubuntu-z-systems
   Importance: Undecided
       Status: New

** Changed in: ubuntu-z-systems
   Importance: Undecided => High

** Changed in: ubuntu-z-systems
     Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)

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https://bugs.launchpad.net/bugs/1824101

Title:
  [Ubuntu] RDMA/smc: Replace ib_query_gid with rdma_get_gid_attr

Status in Ubuntu on IBM z Systems:
  New
Status in linux package in Ubuntu:
  New

Bug description:
  If commit bf399c2cadfa66d399d01d5a92a7bb0a112f1568 (RDMA) is applied, 
  the corresponding SMC patch also have to be applied.

  
  Problem Description:
  RDMA/smc: Replace ib_query_gid with rdma_get_gid_attr 

  Symptom: 
  An SMC-R connection cannot be established. The GID value transferred in the 
confirm_link message is empty (i.e. binary zero).

  Problem:
  A change in the RDMA subsystem requires to update the way  to retrieve the 
GID of an RDMA device.

  Upstream-ID:   b4c296f9c96420b8e7e92466ea5960f10ee20aae
  Component  :  kernel

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