[Okular-devel] [Bug 271869] New: okular hangs X or whole system

[Dmitry]

https://bugs.kde.org/show_bug.cgi?id=271869

           Summary: okular hangs X or whole system
           Product: okular
           Version: 0.12.2
          Platform: Archlinux Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: general
        AssignedTo: okular-devel at kde.org
        ReportedBy: veprbl at gmail.com


Version:           0.12.2 (using KDE 4.6.2) 
OS:                Linux

I'm experiencing very unpleasant bug in okular which leads to X11 session hang
up in response to attempt of scrolling pdf or djvu document.

Reproducible: Sometimes

Steps to Reproduce:
I have no exact recepie to reproduce this. It happens with variety of djvu
documents (which i probably shouldn't post here due to copyright laws). The
only regularity i have found is that freeze happens in the moment i'm pressing
page up/down to scroll the page.

Actual Results:  
X11 hang ups or working extremely slowly. The disk usage led is blinking
constantly. I've tried to login in text mode, but couldn't wait till my zsh
session is loaded after I login/password is finally typed in. Ctrl-Alt-Backpase
is the only thing helping me this case.


The last accident impelled me to post this bug is that this time okular freezed
my system completely (capslock indicator stopped to switch).
This is the file i was browsing that moment
http://mmcs.sfedu.ru/~ulysses/IT/Haskell/papers/why-haskell-censored.pdf
it was opened in presentation mode (not like all previous documents).

Also incidentally faced exactly the same bug while using another computer with
KDE4. I'm not shure, but i think it was running Fedora.

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