Bug 516017 - PDF rendered catastrophically
Summary: PDF rendered catastrophically
Status: REPORTED
Alias: None
Product: okular
Classification: Applications
Component: PDF backend (other bugs)
Version First Reported In: unspecified
Platform: Fedora RPMs Linux
: NOR normal
Target Milestone: ---
Assignee: Okular developers
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2026-02-15 03:51 UTC by B
Modified: 2026-02-15 03:51 UTC (History)
0 users

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Description B 2026-02-15 03:51:10 UTC 
SUMMARY
Okular is unable to properly display RISC-V specifications pdf. 

STEPS TO REPRODUCE
1.  Download RISC-V ratified specs document from https://docs.riscv.org/reference/isa/_attachments/riscv-unprivileged.pdf
2. Open in okular

OBSERVED RESULT
Bizarre blank pages, sometimes words written at random locations but mostly blank.

EXPECTED RESULT
Normal pdf view like in firefox [opened from file:/// not https://]. Document viewer on KDE also works fine with this pdf.

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 43
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.1
Kernel Version: 6.18.9-200.fc43.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × 13th Gen Intel® Core™ i7-1355U
Memory: 16 GiB of RAM (15.3 GiB usable)
Graphics Processor: Intel® Iris® Xe Graphics

ADDITIONAL INFORMATION
Tried deleting and re-downloading [the pdf]. Restarted machine, no help. 
❯ okular -v
okular 25.12.2
QThreadStorage: entry 2 destroyed before end of thread 0x555f0893b440
QThreadStorage: entry 1 destroyed before end of thread 0x555f0893b440