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[Bug 881172] [NEW] Graphical errors on charts in resources tab (faded bands)

 

Public bug reported:

On my system, the charts on the system monitor resources tab are
displayed with some graphical errors.

The most obvious manifestation seems to be faded bands along the charted
lines, though there is also extra white around the chart area (rather
than the grey of the window background). The chart labels also end up
quite blurry and hard to read. Sometimes the pink line for memory usage
seems to hover horizontally right in one of the faded areas, and becomes
nearly invisible.

Bizarrely, the problem is sometimes only present on one of my monitors.
The screenshot I have attached was taken straddling the two monitors;
the zone on the left appears normal, while the zone on the right is
noticeably affected. Dragging the system monitor between the two
monitors causes the issue to appear and disappear. However, other times
there is no difference and the system monitor is affected equally no
matter which monitor it is on.

Ubuntu release: Oneiric 11.10, x86_64
gnome-system-monitor: 3.2.0-0ubuntu1

** Affects: gnome-system-monitor (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/881172

Title:
  Graphical errors on charts in resources tab (faded bands)

Status in “gnome-system-monitor” package in Ubuntu:
  New

Bug description:
  On my system, the charts on the system monitor resources tab are
  displayed with some graphical errors.

  The most obvious manifestation seems to be faded bands along the
  charted lines, though there is also extra white around the chart area
  (rather than the grey of the window background). The chart labels also
  end up quite blurry and hard to read. Sometimes the pink line for
  memory usage seems to hover horizontally right in one of the faded
  areas, and becomes nearly invisible.

  Bizarrely, the problem is sometimes only present on one of my
  monitors. The screenshot I have attached was taken straddling the two
  monitors; the zone on the left appears normal, while the zone on the
  right is noticeably affected. Dragging the system monitor between the
  two monitors causes the issue to appear and disappear. However, other
  times there is no difference and the system monitor is affected
  equally no matter which monitor it is on.

  Ubuntu release: Oneiric 11.10, x86_64
  gnome-system-monitor: 3.2.0-0ubuntu1

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