Issues with Solid from trunk and qtcreator 2.0.1...

[Alexis Ménard]

It's a supposed threading issue in dbus that has been fixed in the
latest version 1.4.0

I'm running Archlinux and I got the upgrades some weeks ago. The
problem disappeared since then...

On Mon, Nov 1, 2010 at 10:25 AM, Dawit A <adawit at kde.org> wrote:
> On Mon, Nov 1, 2010 at 10:19 AM, Lukáš Tinkl <ltinkl at redhat.com> wrote:
>> Dne Ne 31. října 2010 03:32:52 Dawit A napsal(a):
>>> On Wed, Oct 27, 2010 at 12:24 PM, Dawit A <adawit at kde.org> wrote:
>>> > On Wed, Oct 27, 2010 at 7:48 AM, Lukáš Tinkl <ltinkl at redhat.com> wrote:
>>> >> Dne St 27. října 2010 00:57:27 Christophe Giboudeaux napsal(a):
>>> >>> Hi,
>>> >>>
>>> >>> Le 27/10/2010 00:20, Dawit A a écrit :
>>> >>> > Does anyone have a problem opening project files (CTRL+O) in
>>> >>> > qtcreator 2.0.1 (Qt 4.7) with the current trunk version of kdelibs ?
>>> >>> >
>>> >>> > For me the minute I try to open a project, the screen flashes as if
>>> >>> > to paint the file dialog and then qtcreator completely freezes.
>>> >>> > Using gdb (backtrace) I see that the issue seems to occur when the
>>> >>> > file dialog attempts to find Places information through Solid. Solid
>>> >>> > in turn queries udisks (no hal on my system) through dbus to
>>> >>> > retrieve information about each of the several devices available on
>>> >>> > my machine and takes a very very very long time (many minutes) to do
>>> >>> > it. Any insight I can get into this would be helpful before I waste
>>> >>> > even more time to try and find out what could possibly be causing
>>> >>> > this issue for me...
>>> >>>
>>> >>> See https://bugs.kde.org/show_bug.cgi?id=253039
>>> >>
>>> >> Strangely enough it happens only in non-KDE aplications anb i can't
>>> >> reproduce it... (not running HAL on my Fedora either); for me the open
>>> >> dialog in eg. Qt Creator shows immediately.
>>> >
>>> > I am not running HAL on my system either. In fact hal is not even
>>> > installed at all. And the freeze happens for non-KDE apps only as
>>> > mentioned above. I was able to reproduce the problem with QtCreator
>>> > and VLC so far. I have added a comment on the bug report given above
>>> > with backtrace information from QtCreator...
>>>
>>> On my system commenting out the attempt to prefill the cache in
>>> UDisksManager's ctor solves the problem. I really do not see the
>>> beneift of doing that in the ctor anyhow...
>>>
>>> Regards,
>>> Dawit A.
>>
>> You are probably right, this was made in an attempt to speed up things but it
>> turned out the problem had been somewhere else (in the device properties
>> cache). I will remove it, please retest as I am not getting those problems you
>> mentioned.
>
> You reverted back your commit though... Did it break something ?
> Anyhow, for me it solved the noticeble lags in KDE apps and the very
> very long delays in QtCreator. However, the issue of the very very
> long delays in VLC still persist even after removing that line...
>