[Bug 1808498] Re: opal-prd occ reset causes hardlockup

[Dimitri John Ledkov]

Disco has skiboot 6.2 and should have this patch in.

Cosmic & Bionic do not, and will need SRU.

** Also affects: skiboot (Ubuntu Disco)
   Importance: High
     Assignee: Canonical Foundations Team (canonical-foundations)
       Status: New

** Also affects: skiboot (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: skiboot (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

** Changed in: skiboot (Ubuntu Disco)
       Status: New => Fix Released

** Changed in: skiboot (Ubuntu Cosmic)
       Status: New => Confirmed

** Changed in: skiboot (Ubuntu Bionic)
       Status: New => Triaged

** Changed in: skiboot (Ubuntu Bionic)
       Status: Triaged => Invalid

** Changed in: skiboot (Ubuntu Bionic)
       Status: Invalid => Confirmed

** Description changed:

+ [Impact]
+ 
+  * HWE enablement
+  * This patch enables HBRT to use HYP special wakeup register in openBMC which until now was only used in FSP based machines.
+ 
+ [Test Case]
+ 
+  * TODO
+ 
+ [Regression Potential]
+ 
+  * TODO
+ 
+  * discussion of how regressions are most likely to manifest as a result
+ of this change.
+ 
+  * It is assumed that any SRU candidate patch is well-tested before
+    upload and has a low overall risk of regression, but it's important
+    to make the effort to think about what ''could'' happen in the
+    event of a regression.
+ 
+  * This both shows the SRU team that the risks have been considered,
+    and provides guidance to testers in regression-testing the SRU.
+ 
+ [Other Info]
+  
+  * Original bug report.
+ 
+ 
  == Comment: #0 - Shilpasri G. Bhat <shigbhat at in.ibm.com> - 2018-12-14 00:14:51 ==
  On upstream hostboot with NMI enabled, opal-prd occ reset crashes. The following upstream patch needs to be backported to the package to avoid the error.
  
  commit 05dc67bf4f3d85fc6212d1644d46ce6d8bd71140
  opal-prd: hservice: Enable hservice->wakeup() in BMC
  
-  
  Contact Information = shigbhat at in.ibm.com

** Changed in: skiboot (Ubuntu Cosmic)
     Assignee: (unassigned) => Manoj Iyer (manjo)

** Changed in: skiboot (Ubuntu Bionic)
     Assignee: (unassigned) => Manoj Iyer (manjo)

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https://bugs.launchpad.net/bugs/1808498

Title:
  opal-prd occ reset causes hardlockup

Status in The Ubuntu-power-systems project:
  Triaged
Status in skiboot package in Ubuntu:
  Fix Released
Status in skiboot source package in Bionic:
  Confirmed
Status in skiboot source package in Cosmic:
  Confirmed
Status in skiboot source package in Disco:
  Fix Released

Bug description:
  [Impact]

   * HWE enablement
   * This patch enables HBRT to use HYP special wakeup register in openBMC which until now was only used in FSP based machines.

  [Test Case]

   * TODO

  [Regression Potential]

   * TODO

   * discussion of how regressions are most likely to manifest as a
  result of this change.

   * It is assumed that any SRU candidate patch is well-tested before
     upload and has a low overall risk of regression, but it's important
     to make the effort to think about what ''could'' happen in the
     event of a regression.

   * This both shows the SRU team that the risks have been considered,
     and provides guidance to testers in regression-testing the SRU.

  [Other Info]
   
   * Original bug report.

  
  == Comment: #0 - Shilpasri G. Bhat <shigbhat at in.ibm.com> - 2018-12-14 00:14:51 ==
  On upstream hostboot with NMI enabled, opal-prd occ reset crashes. The following upstream patch needs to be backported to the package to avoid the error.

  commit 05dc67bf4f3d85fc6212d1644d46ce6d8bd71140
  opal-prd: hservice: Enable hservice->wakeup() in BMC

  Contact Information = shigbhat at in.ibm.com

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