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manul
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Post subject: Plasma stopped working after d-u (fixed by libqt5xcbqpa5)
 Posted: 23.10.2015, 17:57
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Joined: 2010-09-13
Posts: 111
Status: Offline
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After d-u today, plasma stopped working entirely.
I found it is missing libqt5xcbqpa5 (do not ask me how).
So manual apt-get install of libqt5xcbqpa5 fixed it.
The reason: I found libqt5xcbqpa5 is merely "recommended" by libqt5gui5 and not a dependency (and I have set apt to not automatically install recommends).
Not sure whether I should report a bug in Debian for that...?
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Barlafuss
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Post subject: RE: Plasma stopped working after d-u (fixed by libqt5xcbqpa5
Posted: 24.10.2015, 16:53
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Joined: 2010-09-14
Posts: 65
Status: Offline
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Thanks manul for sharing your experience, You saved my days 
+1 for manul
Barlafuss |
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manul
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Post subject: Re: RE: Plasma stopped working after d-u (fixed by libqt5xcb
Posted: 24.10.2015, 20:01
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Joined: 2010-09-13
Posts: 111
Status: Offline
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Barlafuss wrote:
Thanks manul for sharing your experience, You saved my days
+1 for manul
Barlafuss
You are very welcome!
This is the very reason why I reported it here - to save others the nightmare I went through when plasma stopped working without any hint in the logs what the reason could be (I thought about firwmare/drivers, xorg, etc packages which updated at the same time - but it was neither of these!).
I was able to actually determine the core of the issue only after I gave up KDE/plasma and installed other DE (xfce) - and then noticing not only kf5 apps were not working there; but also apps like vlc, exo-launch etc.
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vinur
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Post subject: RE: Re: RE: Plasma stopped working after d-u (fixed by libqt
Posted: 25.10.2015, 05:00
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Joined: 2010-09-11
Posts: 83
Location: Lake Oswego
Status: Offline
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Hello All, and manul
Yes Plasma went away after a D-U just the other day - I saw your message and went looking for its cause - I noticed that I had libqt5xcbqpa5 but no Plasma - I tried to apt-get to reinstall but something else seemed wrong with what it wanted to remove if I was to reinstall it. just remove permenently...
Lots of things kde5 related. So after a day, I got brave again and went to apt-get after apt update was completed.
I typed in apt-get install kde-full and a lot of applications wanted to both get removed and installed, all seemingly related to KDE.
only 4 new applications other that the large list and nothing about removal without a replacement. it was a matching list.
so i did it - after a complete reboot KDE plasma was back and at this time all seems as it was before.
Plasma 5 is back... don't quite know what it meant but there it is.
all works as far as I can see. |
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snvv
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Post subject: RE: Re: RE: Plasma stopped working after d-u (fixed by libqt
Posted: 26.10.2015, 14:40
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Joined: 2010-09-13
Posts: 331
Status: Offline
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I just dist upgrades my 64 bit system and plasma will not lunch
I still can login in fluxbox.
The problem may be that I DU but I had forgotten systemsetting on hold.
After the du i unhold the systemsettings and DU again but still not luck.
Is something that I can do?
ps. libqt5xcbqpa5 is installed |
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manul
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Post subject: RE: Re: RE: Plasma stopped working after d-u (fixed by libqt
Posted: 26.10.2015, 18:09
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Joined: 2010-09-13
Posts: 111
Status: Offline
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snvv:
It is hard to say what the reason could be.
A good start would be to look into the changes introduced by the last d-u you did (the one after which plasma stopped working): which packages have been installed/upgraded/removed? (you can check this in apt logs) |
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snvv
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Post subject: RE: Re: RE: Plasma stopped working after d-u (fixed by libqt
Posted: 26.10.2015, 20:58
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Joined: 2010-09-13
Posts: 331
Status: Offline
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plasma-desktop was not installed.
Now I can get into KDE but i think it is misbehave compared with 386 installation. Probably many KDE4 left behind.
Is there a way to check and remove unnecessary kde components? |
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manul
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Post subject: Re: RE: Re: RE: Plasma stopped working after d-u (fixed by l
Posted: 27.10.2015, 15:03
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Joined: 2010-09-13
Posts: 111
Status: Offline
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snvv wrote:
plasma-desktop was not installed.
Now I can get into KDE but i think it is misbehave compared with 386 installation. Probably many KDE4 left behind.
Is there a way to check and remove unnecessary kde components?
First you may want to assure you have the following lines into your some of your apt conf files (I have these in /etc/apt/apt.conf.d/80no-recommends-suggests )
APT::Get::AutomaticRemove "0";
and assure if such line exists it is commented (or set to 0)
#// APT::Get::HideAutoRemove "1";
This way apt will let you know which packages can be removed (but not remove them automatically - i.e. you still have to manually run "apt-get autoremove" to clear these).
Plasma fixes for various issues are scattered around....
At the time I found useful the following link which summarizes the plasma issues & fixes (it matches my experience; though some dependency issues may have been fixed meanwhile upstream): http://forum.ubuntu.ru/index.php?topic=260447.0
It is in russian but you can use google translate; it is clear enough. |
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