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Re: PCBNEW + Gnome 3 = random lock up problem


On 04/12/2011 02:24 PM, Marco Mattila wrote:
> On Tue, Apr 12, 2011 at 10:21 AM, Phinitnan Chanasabaeng
> <phinitnan_c@xxxxxxxx> wrote:
>> Hello,
>> I just upgraded my workstation to Gnome 3 and try out its new UI. The
>> problem I have now is my computer locks up randomly when working with
>> PCBNEW. I'm quite sure this is not PCBNEW problem because I never had this
>> problem prior the upgrade.
>> Most of the locks up happen during zooming with mouse's wheel. So, I would
>> like to ask (if possible) what could be the cause of this. I'm going to post
>> a bug report in Gnome's bug tracker.
> I noticed this the other day (using Gnome 2 and Ubuntu Maverick), too.
> Pcbnew (not the whole computer) stops responding/redrawing the window
> after zooming around for a while. However, it seems that this doesn't
> happen when pcbnew is run directly from a console (thus I was unable
> to reproduce this while running pcbnew under gdb). I thought that this
> may have something to do with the debug build writing a lot of stuff
> into stdout filling a buffer or something and freezing pcbnew when
> there's no console open (?). I didn't test this theory, though.

Correct, the debug build will write to stdout, which if run as a child process
under Kicad, will eventually lock up.

This is a known problem.  So if you want to use a debug build, run it from the

The pipe going back into the parent process is never read by the parent, i.e.
Kicad program, the project manager.