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Bug#609750: /usr/bin/Xorg: crash (SIGSEGV) in DGAProcessPointerEvent()



Hi,

Xavier Bestel <xavier.bestel@free.fr> (12/01/2011):
> each time I press a "mouse button" on my MCE remote (in keyboard
> mode), X segfaults:
> 
> Program received signal SIGSEGV, Segmentation fault.
> DGAProcessPointerEvent (pScreen=<value optimized out>, event=0xff9ea380, mouse=0x8aceb88)
>     at ../../../../hw/xfree86/common/xf86DGA.c:1097
> 1097	../../../../hw/xfree86/common/xf86DGA.c: Aucun fichier ou dossier de ce type.
> 	in ../../../../hw/xfree86/common/xf86DGA.c
> (gdb) bt
> #0  DGAProcessPointerEvent (pScreen=<value optimized out>, event=0xff9ea380, mouse=0x8aceb88)
>     at ../../../../hw/xfree86/common/xf86DGA.c:1097
> #1  0x080e6e0a in mieqProcessDeviceEvent (dev=0x8c0c918, event=0x8be8260, screen=0x8a24f50) at ../../mi/mieq.c:408
> #2  0x080e6f5c in mieqProcessInputEvents () at ../../mi/mieq.c:471
> #3  0x080b43e7 in ProcessInputEvents () at ../../../../hw/xfree86/common/xf86Events.c:165
> #4  0x08072d90 in Dispatch () at ../../dix/dispatch.c:371
> #5  0x080669aa in main (argc=6, argv=0xff9eac84, envp=0xff9eaca0) at ../../dix/main.c:283

thanks for the backtrace. Can you attach “bt full”'s output, or
confirm that buts is NULL in frame #0?

KiBi.

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