Ubuntu19.04: valgrind does not properly handle the addex instruction (power9)

Bug #1811071 reported by bugproxy
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
The Ubuntu-power-systems project
Fix Released
High
Canonical Foundations Team
valgrind (Ubuntu)
Fix Released
High
Canonical Foundations Team
Bionic
New
Undecided
Unassigned

Bug Description

== Comment: #0 - William M. Schmidt <email address hidden> - 2019-01-07 16:26:49 ==

---Problem Description---
Valgrind addex instruction emulation broken

Contact Information = <email address hidden>

---uname output---
uname -a output

Machine Type = power9

---Debugger---
A debugger is not configured

---Steps to Reproduce---
 Run valgrind against an application built with power9 support. (GMP)

Userspace tool common name: valgrind

Userspace rpm: valgrind.rpm

The userspace tool has the following bit modes: both

Userspace tool obtained from project website: na

*Additional Instructions for <email address hidden>:
-Attach ltrace and strace of userspace application.

Request an upstream valgrind fix for this addex instruction issue be backported into the current distro release.

Associated upstream bugzilla is
https://bugs.kde.org/show_bug.cgi?id=402519

The valgrind commit containing the fix is

commit 2c1f016e634bf79faf45e81c14c955c711bc202f
Author: Mark Wielaard <email address hidden>
Date: Mon Dec 31 22:26:31 2018 +0100
    Bug 402519 - POWER 3.0 addex instruction incorrectly implemented

bugproxy (bugproxy)
tags: added: architecture-ppc64le bugnameltc-174461 severity-medium targetmilestone-inin1904
Changed in ubuntu:
assignee: nobody → Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
affects: ubuntu → valgrind (Ubuntu)
Changed in ubuntu-power-systems:
importance: Undecided → Medium
assignee: nobody → Canonical Foundations Team (canonical-foundations)
tags: added: id-5c37f10f2201c389f25b4c3d
Revision history for this message
bugproxy (bugproxy) wrote : Comment bridged from LTC Bugzilla

------- Comment From <email address hidden> 2019-01-24 06:34 EDT-------
Hello Canonical,

Any update on this ?

Manoj Iyer (manjo)
Changed in valgrind (Ubuntu):
assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) → Canonical Foundations Team (canonical-foundations)
importance: Undecided → Medium
Changed in ubuntu-power-systems:
importance: Medium → High
Changed in valgrind (Ubuntu):
importance: Medium → High
Changed in ubuntu-power-systems:
status: New → Triaged
Changed in valgrind (Ubuntu):
status: New → Fix Committed
Changed in ubuntu-power-systems:
status: Triaged → Fix Committed
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package valgrind - 1:3.14.0-2ubuntu5

---------------
valgrind (1:3.14.0-2ubuntu5) disco; urgency=medium

  * ppc64el fix POWER 3.0 addex instruction. LP: #1811071

 -- Dimitri John Ledkov <email address hidden> Mon, 28 Jan 2019 16:29:37 +0000

Changed in valgrind (Ubuntu):
status: Fix Committed → Fix Released
Changed in ubuntu-power-systems:
status: Fix Committed → Fix Released
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