[okular] [Bug 364676] Okular turns off/on HDMI external monitor

[Jarosław Staniek]

https://bugs.kde.org/show_bug.cgi?id=364676

Jarosław Staniek <staniek at kde.org> changed:

           What    |Removed                     |Added
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                 CC|                            |staniek at kde.org

--- Comment #1 from Jarosław Staniek <staniek at kde.org> ---
I can confirm it for openSUSE 42.1 and updated 42.2. Therefore the issue looks
like an universal trouble because my OS and hardware is different than the
above.

Steps to Reproduce: 
1. Open a PDF file.

Actual Results:  identical as above. It happens without even running the
presentation mode. No way to restore the display or detecting it again (which
is primary so the issue breaks the usage) even AFTER restart. The only way is
turning off, waiting 2 seconds and booting again.

It's a new behavior that started with KF5-based Okular for me. It has never
been the case for kdelibs-based Okular.

Possible workaround (may be handy for actual users that want their productivity
back): 
- harder: associate another PDF reader such as Evince
(harder because there's no universal way to associate applications with
extensions on Linux - all different for browsers, Plasma, mc...), optionally
enable PDF preview directly in the browser.
- simpler but radical: uninstall Okular completely, use other PDF readers until
the issue is fixed

-- More info on my software/hardware:

4.4.49-16-default #1 SMP Sun Feb 19 17:40:35 UTC 2017 (70e9954) x86_64 x86_64
x86_64 GNU/Linux

00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller [8086:0116] (rev 09)
        Subsystem: ASUSTeK Computer Inc. Device [1043:1d82]
        Kernel driver in use: i915
--
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Whistler LE [Radeon HD 6610M/7610M] [1002:6742] (rev ff)
        Kernel driver in use: radeon
        Kernel modules: radeon

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