No, it's not in a seperate thread, it's a function that gets called
asynchronously by the kernel.  But that function *does* then make GTK
calls.  Would it be safer to tie my serial port routines to one of those
GDK IO callbacks, that way I know it's safe to muck around when I get
called?

- Nate

> It sounds like lightening the load merely reduces the chance of hitting
> some race condition.  You say your app makes heavy use of the serial
> port.  Are you doing this in a separate thread?  If so, is that thread
> also making gtk calls (in addition to the main thread)?
>
>
>   // Wally
>
> On Thu, 2006-06-15 at 14:41 -0400, [EMAIL PROTECTED] wrote:
>> I'm writing an application that makes fairly heavy use of the serial
>> port.
>>  While testing this app, things seem to be running fine, until I wiggle
>> the mouse quickly over a treeview (a list) or over a few checkboxes in
>> the
>> window.  Sometimes I have to wiggle for a minute, sometimes just 5
>> seconds
>> will do, but the app crashes, with either a segfault, or GLib reporting
>> a
>> corrupted doubly linked list.
>>
>> Some thoughts:
>> 1.  Wiggling the mouse anywhere besides over the treeview or the
>> checkboxes causes no problems.
>>
>> 2.  Processor usage goes up significantly when wiggling the mouse over
>> the
>> treeview or the checkboxes.
>>
>> 3.  The problem can be completely avoided by making the offending
>> widgets
>> non-sensitive (dimmed out).
>>
>> 4.  I'm running on an old computer, a Celeron, at around 400Mhz or so :(
>>
>> Could number 4 be the culprit?  Perhaps wiggling the mouse over some
>> widgets (and thus causing GTK to redraw them, presumably) slows down the
>> system so much (70% processor usage at the time of death sometimes) that
>> some routines or signals interrupt themselves and do something naughty?
>>
>> When I modify the program (skipping key routines) to drastically lower
>> the
>> processor usage, the problem goes away.
>>
>> I would like to chalk this up to a weak computer... but it seems
>> unlikely
>> to me that GTK simply blows up on old computers (with very busy apps).
>>
>> For reference:
>>   400 Mhz Celeron
>>   128 Megs ram
>>   Debian Linux
>>   GTK 2.6
>>
>> Any advice is appreciated!
>>
>> _______________________________________________
>> gtk-app-devel-list mailing list
>> gtk-app-devel-list@gnome.org
>> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
> --
> Your eyes are weary from staring at the CRT.  You feel sleepy.  Notice
> how restful it is to watch the cursor blink.  Close your eyes.  The
> opinions stated above are yours.  You cannot imagine why you ever felt
> otherwise.
>


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