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[Bug 1529666] Re: Random NX requests failed under heavy load testing

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>
Date: Mon, 04 Jan 2016 22:42:39 -0000
Reply-to: Bug 1529666 <1529666@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

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

** Changed in: linux (Ubuntu)
     Assignee: Taco Screen team (taco-screen-team) => Canonical Kernel Team (canonical-kernel-team)

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https://bugs.launchpad.net/bugs/1529666

Title:
  Random NX requests failed under heavy load testing

Status in linux package in Ubuntu:
  Triaged

Bug description:
  == Comment: #0 - Haren Myneni <hbabu@xxxxxxxxxx> - 2015-12-23 19:27:08
  ==

  ---Problem Description---
  Under heavy load, some NX requests failed with "Invalid ICSWX return code". NX hardware sets return first bit to XER[S0] which is not handled in the driver.
   
  Contact Information = hbabu@xxxxxxxxxx 
   
  ---uname output---
  Ubuntu 15.10 kernel
   
  Machine Type = P8 system 
   
  ---Steps to Reproduce---
   Happens randomly under NX heavy load testing. 

  == Comment: #1 - Haren Myneni <hbabu@xxxxxxxxxx> - 2015-12-23 19:28:07 ==
  Fix is accepted in maintainers tree 

  https://git.kernel.org/cgit/linux/kernel/git/herbert/cryptodev-2.6.git/commit/?id=6333ed8f26cf77311088d2e2b7cf16d8480bcbb2

  Customers can see failures with NX compression with this bug.

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