[okular] [Bug 506416] New: Pages are being rendered very small and side by side 3 times on a single page

Kalcifer bugzilla_noreply at kde.org
Tue Jul 1 01:47:17 BST 2025


https://bugs.kde.org/show_bug.cgi?id=506416

            Bug ID: 506416
           Summary: Pages are being rendered very small and side by side 3
                    times on a single page
    Classification: Applications
           Product: okular
      Version First 25.04.2
       Reported In:
          Platform: Flatpak
                OS: Linux
            Status: REPORTED
          Severity: critical
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: izerpizer at gmail.com
  Target Milestone: ---

Created attachment 182817
  --> https://bugs.kde.org/attachment.cgi?id=182817&action=edit
Bad rendering example

SUMMARY

Some pages in a specific PDF are being incorrectly rendered. A single page is
being copied 3 times onto one page side by side. Zooming in doesn't make the
text legible. It appears that the text highlighting location isn't lined up
with anything real either.

STEPS TO REPRODUCE

Unknown how to reproduce this in general. However there are many examples in
the PDF in question at various page numbers by simply viewing them.

OBSERVED RESULT

Rendering broken for a PDF


EXPECTED RESULT

I would expect it to render properly


SOFTWARE/OS VERSIONS
Windows: Untested
macOS: Untested
Linux/KDE Plasma: Arch Linux, Kernel v6.12.35-1-lts
KDE Plasma Version: 6.4.1
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1

ADDITIONAL INFORMATION

This was also observed in GNOME Evince. This issue was *not* observed in
Firefox's PDF viewer (pdf.js).

If you would like to test using the PDF where the issue was obsereved, please
use the following method to acquire it (but NOTE: This may be copyright in your
region. Please be careful.) :

1. Copy this link:
`https://www.scribd.com/document/666821453/TAC-Geometric-Design-Guide-for-Canadian-Roads-2017`
2. Paste it into this tool: https://scribd.vdownloaders.com/
3. Download the PDF (it should be about 123.1 MB).

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