mate-system-monitor shows one CPU too much (16.10, ppc)

Bug #1615846 reported by ernsteiswuerfel on 2016-08-22
14
This bug affects 3 people
Affects Status Importance Assigned to Milestone
libgtop2 (Ubuntu)
Undecided
Unassigned

Bug Description

Tested Yakketys daily iso on my PowerMac G5, 7,3. This is a dual-cpu machine but 3 cpus are shown (see screenshot). The superfluous cpu always shows 0 % activity.
Seems to be a general problem as on my PowerBook 5,6 two CPUs are shown instead of one.

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: mate-system-monitor 1.14.0-2
ProcVersionSignature: Ubuntu 4.4.0-9134.53-powerpc64-smp 4.4.15
Uname: Linux 4.4.0-9134-powerpc64-smp ppc64
ApportVersion: 2.20.3-0ubuntu7
Architecture: powerpc
CasperVersion: 1.377
CurrentDesktop: MATE
Date: Mon Aug 22 22:37:33 2016
ExecutablePath: /usr/bin/mate-system-monitor
LiveMediaBuild: Ubuntu-MATE 16.10 "Yakkety Yak" - Alpha powerpc (20160822)
ProcEnviron:
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: mate-system-monitor
UpgradeStatus: No upgrade log present (probably fresh install)

ernsteiswuerfel (erhard-f) wrote :
Ubuntu QA Website (ubuntuqa) wrote :

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1615846

tags: added: iso-testing
Martin Wimpress (flexiondotorg) wrote :

Please post the output of 'cat /proc/cpuinfo'

ernsteiswuerfel (erhard-f) wrote :

ef@T800:~$ cat /proc/cpuinfo
processor : 0
cpu : PPC970FX, altivec supported
clock : 1800.000000MHz
revision : 3.0 (pvr 003c 0300)

processor : 1
cpu : PPC970FX, altivec supported
clock : 1800.000000MHz
revision : 3.0 (pvr 003c 0300)

timebase : 33333333
platform : PowerMac
model : PowerMac7,3
machine : PowerMac7,3
motherboard : PowerMac7,3 MacRISC4 Power Macintosh
detected as : 336 (PowerMac G5)
pmac flags : 00000000
L2 cache : 512K unified
pmac-generation : NewWorld

ernsteiswuerfel (erhard-f) wrote :

Seems a PPC-specific problem. My amd64 box does not get hit by this bug.

ernsteiswuerfel (erhard-f) wrote :

Functionality works flawlessly in MATE 12.1 (Xenial daily iso), mate-system-monitor shows the correct number of CPUs. Bug must have been introduced afterwards.

ernsteiswuerfel (erhard-f) wrote :

Turned out to be related to a bug in GNOME libtop which got fixed upstream. see: https://github.com/mate-desktop/mate-system-monitor/issues/89

Will mark as 'fix commited' as the fix will be in the next stable upstream release.

Changed in mate-system-monitor (Ubuntu):
status: New → Fix Committed
Changed in mate-desktop:
status: Unknown → New
Vlad Orlov (monsta) on 2017-01-31
affects: mate-system-monitor (Ubuntu) → libgtop (Ubuntu)
affects: libgtop (Ubuntu) → libgtop2 (Ubuntu)
Changed in mate-desktop:
status: New → Fix Released
no longer affects: mate-desktop
no longer affects: ubuntu-mate
Changed in libgtop2 (Ubuntu):
status: Fix Committed → Fix Released
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