| Re: [AD] [LNX] Mode-X and threads and mouse |
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> A segfault occurs under Linux console when using mode-X and the mouse
> and the mouse pointer is visible and threads are in use. The problem
> is that input is now handled in a thread, so when the mouse moves we
> end up calling mode-X drawing from that thread.
Not rather from the timer thread ?
> Can someone take a look at modexgfx.s? In particular, the functions
> that need to be usable in this situation are _x_draw_sprite,
> _x_blit_from_memory, _x_blit_to_memory. As confirmation, no segfault
> occurs if those three functions are made to return directly or aren't
> called (from mouse.c:~203).
The problem comes from selecting the Mode-X planes in the asm code,
specifically lines 773, 899 and 1631 in src/misc/modexgfx.s: if they are
commented out, there is no more segfault.
--
Eric Botcazou
ebotcazou@xxxxxxxxxx