[kde-linux] Re: KDE Flakey With Qt4 4.7.3

Mon Jun 27 02:30:16 UTC 2011

David Baron posted on Sun, 26 Jun 2011 17:10:45 +0300 as excerpted:

> Anybody having similar problems?
> 
> Plasma either does not come up or crashes, then does come up fine. Same
> with kmail, which crashed several times from kickoff but ran from a
> terminal. Had krunner crash but this happened occasionally before as
> well.
> 
> It is not possible to downgrade to testing (4.7.1).
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"
> "http://www.w3.org/TR/REC-html40/strict.dtd">
> <html><head><meta name="qrichtext" content="1" /><style type="text/css">
> p, li { white-space: pre-wrap; }
> </style></head><body style=" font-family:'Courier New'; font-size:8pt;
> 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;">Anybody having similar problems?</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;
> -qt-user-state:0;"><br /></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;">Plasma either does not come up or crashes, then does
> come up fine. Same with kmail, which crashed several times from kickoff
> but ran from a terminal. Had krunner crash but this happened
> occasionally before as well.</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;
> -qt-user-state:0;"><br /></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;">It is not possible to downgrade to testing
> (4.7.1).</p></body></html>

Please post in plain text only, not HTML.  I don't know if you can see 
what a mess it comes out as in the quote above or if your HTML based mail 
client hides that too, but it's UGLY and irritating to those of us who 
choose not to use an HTML parsing client for security or other reasons.  
If the message content is worth posting, it's worth posting in plain 
text.  If it's not, fancy HTML formatting isn't going to change that.

You mention the qt version but not the kde version...

FWIW, running kde 4.6.4 with qt-4.7.3 here, as I've run all the previous 
4.6.x series.  While I experienced bugs in the earlier 4.6 series, none 
of them were crashing bugs like you mention.  I'm running Gentoo.

For the krunner crashes, try disabling clicking its config icon (the 
spanner/wrench) and disabling the contacts and nepomuk desktop search 
runners.  It should be more stable after that.

Plasma... can bug out depending on what graphics hardware and drivers you 
run, sometimes.  It can also depend on what plasmoids you have configured 
to display, and possibly on the plasma theme you run.  You can try 
turning down X acceleration options for your graphics driver, if you know 
how.  That might help.

What version of kmail/kdepim are you running, the new akonadified kmail-2 
found in kdepim-4.6.0 (released out of sync with the rest of kde 4.6, at 
about the same time as 4.6.4), or the older kmail-1 from kdepim 
4.4.10/4.4.11 or so?  Or are you still on older kde entirely, perhaps 4.5 
or 4.4?

Meanwhile, as a general rule, kde works best if it's running on the qt 
version it was built against.  If you're using a distribution-built kde 
that was built against an older qt, perhaps 4.7.1, unfortunately you very 
likely have three choices:

1) Upgrade to a kde built against the new version, building it yourself 
if you have to. (Note that building it is a major project, taking a good 
part of a day even on a decent quad-core system on Gentoo, which is 
designed to build everything so doesn't split the devel bits off into 
separate packages.  It's even more major on normally binary distributions 
where you have to find and install the devel bits of various libraries, 
etc, first.  But it can be done.)

2) Downgrade back to the qt version your kde was built against.  (Yes, I 
know you said this wasn't possible.  But if it's a package manager 
telling you that, there's normally ways to override it and do it anyway, 
if you need to, tho it may then break other packages built against the 
new version, generally the reason the package manager won't permit it 
unless overridden.)

3) Deal with the instability until a kde upgrade built against the new qt 
is available.

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman