[PD] [hid] Segmentation fault (errata c.)

Hans-Christoph Steiner hans at eds.org
Sat Apr 2 18:15:16 CEST 2005

Hmm, I can't think of anything immediately.  Have you tried using the  
joystick with any other program?  Do other devices work, like the  

It would also be helpful if you used a version with the debug messages  
on.  You can do that in hid.c by swapping these two:

#define DEBUG(x)
//#define DEBUG(x) x


//#define DEBUG(x)
#define DEBUG(x) x

and recompiling.  If you aren't set up to compile pd objects, I'll try  
to compile one for you when I get a chance.


On Mar 31, 2005, at 4:04 AM, Lazzaro Nicolò Ciccolella wrote:

> Hi,
> apologize, I have inverted the outputs in the original post.
> Here the message formulated correctly:
> I try to use the joystick in a patch.
> The joystick is a hid peripheral and the relative driver comes loaded  
> in the system, this is dmesg:
> input: USB HID v1.10 Joystick [Mega World Inter.  USB GAME DEVICE  
> CONTROLLER    ] on usb-0000:03:0b.0-1
> When I insert the "hid" object in the patch all is OK in fact the pd  
> output print:
> [hid] 0.4, written by Hans-Christoph Steiner <hans at eds.org>
> [hid] opened device 0 (/dev/input/event0): Mega World Inter.  USB GAME  
> But when I touch the joystick, pd prints: "Segmentation fault" and  
> quit itself.
> pd-0.38-4
> slackware with kernel
> Thanks for every aid
> --  
> Lazzaro
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