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

[Dimitri John Ledkov]

Upload was rejected from the unapproved queue

Rejected:
Rejected by Brian Murray: Missing SRU information in the description

skiboot (6.1-2ubuntu0.1) cosmic; urgency=medium

  * Enable HBRT to use HYP special wakeup register in openBMC. LP:
    #1808498

Date: Thu, 21 Feb 2019 12:20:21 +0100
Changed-By: Dimitri John Ledkov <xnox at ubuntu.com>
Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>

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

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

** Changed in: ubuntu-power-systems
       Status: Triaged => Incomplete

** Changed in: ubuntu-power-systems
     Assignee: Canonical Foundations Team (canonical-foundations) => (unassigned)

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

Title:
  opal-prd occ reset causes hardlockup

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