[Qt-interest] Qt 4.6.3 QApplication constructor (Windows 7) EXTREMELY slow?

[David Cleland]

I would suggest getting the Sysinternals Process Monitor,

http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx

and running that on the affected machines. This should show if the machines
are trying to access any un-expected network paths as part of the QApplication
construction.


-----Original Message-----
From: qt-interest-bounces at trolltech.com [mailto:qt-interest-bounces at trolltech.com] On Behalf Of Paul Miller
Sent: 07 October 2010 14:44
To: qt-interest at trolltech.com
Subject: Re: [Qt-interest] Qt 4.6.3 QApplication constructor (Windows 7) EXTREMELY slow?

On 10/7/2010 2:47 AM, Kai Koehne wrote:
> On 10/7/2010 9:23 AM, ext Harri Pasanen wrote:
>> Have you ruled out network problems?    I've often seem similar "inexplicable"
>> behavior when some network path (remote share) is being accessed.
>>
>> For instance python startup from a network share is often a no-no, as it
>> crawls through the python path.  Qt plugin paths could well trigger the same
>> symptoms.
>
> http://bugreports.qt.nokia.com/browse/QTBUG-10106 might also be the
> issue if network access is involved.

Interesting, but my code itself is not doing any network stuff. It's the 
QApplication() constructor that is taking this long.

Does QApplication() in 4.6.x do some basic network junk during 
initialization that 4.5.x didn't? 4.5 appears to be unaffected.

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