[gameprogrammer] Re: weird error when running project
- From: Alan Wolfe <alan.wolfe@xxxxxxxxx>
- To: gameprogrammer@xxxxxxxxxxxxx
- Date: Fri, 11 Mar 2011 12:12:06 -0800
I've been finding lately (as i've grown as a game programmer) that
many errors i usually attribute to memory corruption end up being
uninitialized values.
Uninitialized values can also cause regular old memory corruption, so
i wanted to bring this up as something else to look for in your code.
On Fri, Mar 11, 2011 at 10:45 AM, Robbert de Groot <zekaric@xxxxxxxx> wrote:
> Bugs like this sound like memory corruption to me. Somewhere you are writing
> outside of a buffer, writing to memory of an uninitialized pointer, writing
> to already free memory or something like that. You will often get a totally
> bogus stack trace with memory corruption errors.
>
> Time to do some old school debugging. Sprinkle your code with print
> statements (to a file or to the debugger message window) and see how far you
> get and when things start to get wonky. The problem is, often the place
> where you start to notice things getting wonky could be far from where the
> problem actually exists.
>
> It may not show on the machines of your buddies but that just means they
> haven't seen the effects yet. If they are lucky they may never. It really
> depends on what is happening.
>
> Robbert de Groot
>
>
> --- On Fri, 3/11/11, luo_hei@xxxxxxxx <luo_hei@xxxxxxxx> wrote:
>
>> From: luo_hei@xxxxxxxx <luo_hei@xxxxxxxx>
>
>> El 10/03/11 18:40, Alan Wolfe
>> escribió:
>> > wow no...
>> >
>> > what's the error look like, can you give a
>> screenshot?
>> I will take one tonight (here I just have Linux).
>> >
>> > I'm curious if it's a dialog box, or if it shows in
>> your compiler or what.
>> Yes, it is a dialog box, shows when I run the
>> program. Also, it is just in my PC, the other 2 developers
>> use Visual c too but the dont get it.
>> >
>> > what libararies are you using in your program and what
>> does it do?
>> > (probably not important but you never know)
>> Ogre, Lua, Openal and zlib. Have to check if the windows
>> project still uses Bullet/Ogrebullet because I removed it
>> from my Linux port, couldnt make it work and the forums were
>> totally useless.
>
>
>
>
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