[PATCH] randr: Beware the driver switching root pixmaps

[Julien Cristau]

On Mon, Aug 30, 2010 at 14:52:15 +0100, Chris Wilson wrote:

> Program received signal SIGSEGV, Segmentation fault.
> 0x080d4a2d in xf86RandR12ScreenSetSize (pScreen=0x8dca3a0, width=800,
>     height=600, mmWidth=210, mmHeight=157)
>     at ../../../../hw/xfree86/modes/xf86RandR12.c:731
> 731     ../../../../hw/xfree86/modes/xf86RandR12.c: No such file or directory.
>         in ../../../../hw/xfree86/modes/xf86RandR12.c
> (gdb) bt full
>     height=600, mmWidth=210, mmHeight=157)
>     at ../../../../hw/xfree86/modes/xf86RandR12.c:731
>         randrp = 0x8dcae68
>         pScrn = 0x8dbeb28
>         config = <value optimized out>
>         pRoot = 0x8e08e30
>         pScrnPix = 0xb6d12008
>         ret = 1
>         c = <value optimized out>
>     mmWidth=210, mmHeight=157) at ../../randr/rrscreen.c:185
> No locals.
>     at ../../randr/rrscreen.c:307
>         pWin = 0x8e08e30
>         pScreen = 0x8dca3a0
>         i = <value optimized out>
>         rc = 0
> ../../randr/randr.c:485
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Tested-by: Julien Cristau <jcristau at debian.org>

Cheers,
Julien