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Bug#1123598: plasma-workspace-data: Bar chart issue in the Memory Usage widget



Package: plasma-workspace-data
Version: 4:6.3.6-2
Severity: normal

Dear Maintainer,

I would like to report a bug in the Memory Usage widget for KDE
Plasma. The widget appears to be defined in
/usr/share/plasma/plasmoids/org.kde.plasma.systemmonitor.memory/,
which belongs to this package.

Sometimes, after logging in, the widget's chart is not displayed
correctly. (I use the bar-chart mode; I don't know if other modes are
affected.) While the numbers under the chart ("Used RAM", "Used Swap",
"Total RAM") are correct, the chart itself is shown as if there was no
memory or swap. The bars in the chart are shown as if the memory was
full, and the Y-axis labels are all "0 B".

I have the following settings in the "Bar Chart Details" section of
the widget configuration (the window that shows up after pressing
"Configure Memory Usage..." in the widget's context menu):
- General: Show legend
- Bar orientation: Vertical
- Axis: Show Y axis labels, Show grid lines, Automatic data range

Opening the widget configuration makes the buggy behavior disappear,
as if it re-rendered the chart.

Regards,
Samuel Plavec


-- System Information:
Debian Release: 13.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.12.57+deb13-amd64 (SMP w/2 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

-- no debconf information

Attachment: Screenshot_20251215_160440.png
Description: PNG image


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