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List: kde-active
Subject: Re: Black screen problem
From: "Lamarque V. Souza" <Lamarque.Souza.ext () basyskom ! com>
Date: 2012-04-24 23:09:31
Message-ID: 201204242009.31326.Lamarque.Souza.ext () basyskom ! com
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Em Tuesday 24 April 2012, Lamarque V. Souza escreveu:
> Hi all,
>
> I have been trying to debug this problem and it is Powerdevil's kded
> module that is causing it. Doing "mv /usr/lib/kde4/kded_powerdevil.so
> /root" and rebooting workarounds the problem. Now we need to know why
> Powerdevil is doing that. I think it is trying to dimm the display, the
> backlight helper it uses to do that is failing according to
> ~/.xsession-errors, maybe that has something to do with the problem.
Moving only /usr/lib/kde4/libexec/backlighthelper also workarounds the
problem. I think one of the commits below from kde-workspace is affecting us:
b9ccb5c97718d17db255e51002d858d5f8fc36e3
38255bfe57458f961a4e913633ccccfe4d19c542
5257ff19aa3e779a9e07cc49ee82cca7a051b558
I tried to disable dimming using "kcmshell4 powerdevilprofilesconfig"
but it did not solved the problem.
--
Lamarque V. Souza
http://www.basyskom.com/
[Attachment #5 (text/html)]
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content="1" /><style type="text/css"> p, li { white-space: pre-wrap; }
</style></head><body style=" font-family:'Tahoma'; font-size:12pt; font-weight:400; \
font-style:normal;"> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Em Tuesday \
24 April 2012, Lamarque V. Souza escreveu:</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> Hi all,</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> </p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> I have been trying to debug this problem \
and it is Powerdevil's kded</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> module that is causing it. Doing "mv \
/usr/lib/kde4/kded_powerdevil.so</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> /root" and rebooting workarounds the problem. Now we \
need to know why</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> \
Powerdevil is doing that. I think it is trying to dimm the display, the</p> <p \
style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> backlight helper it uses \
to do that is failing according to</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> ~/.xsession-errors, maybe that has something to do with the \
problem.</p> <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p> \
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;"> Moving only \
/usr/lib/kde4/libexec/backlighthelper also workarounds the problem. I think one of \
the commits below from kde-workspace is affecting us:</p> <p \
style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">b9ccb5c97718d17db255e51002d858d5f8fc36e3 \
38255bfe57458f961a4e913633ccccfe4d19c542</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">5257ff19aa3e779a9e07cc49ee82cca7a051b558</p> <p \
style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;"> I tried to disable dimming \
using "kcmshell4 powerdevilprofilesconfig" but it did not solved the \
problem.</p> <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p> \
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">-- </p> <p style=" \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Lamarque V. Souza</p> <p \
style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">http://www.basyskom.com/</p></body></html>
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