[Interest] Constructor of QPrinter takes 25-50 seconds to execute
Thiago Macieira
thiago.macieira at intel.com
Fri Nov 27 08:13:06 CET 2015
On Wednesday 25 November 2015 12:33:45 william.crocker at analog.com wrote:
> On 11/25/2015 12:32 PM, william.crocker at analog.com wrote:
> >> I am wondering if this problem can happen again. What can possibly cause
> >> QPrinter constructor to get stuck for such a long time?
> >
> > For me Qt was scanning the network, building up the list of
> > available printers. On a campus of 6 buildings and umpteen printers,
> > that took a noticeable amount of time. But, I think was only once
> > per run of the app. That was also on older releases. I use 4.8.7
> > and I think that has been fixed. If you are using a newer version
> > it would not surprise me if the problem has returned.
>
> Run it in the debugger and interrupt,
> It should be obvious what it is doing.
25 seconds is the exact time of a D-Bus method call timeout. 50 seconds would
be two, back-to-back.
--
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel Open Source Technology Center
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