[Xorg] Strange crashes caused by radeon pagesize cleanup/update?

[Tarmo Tänav]

Sorry, the correct link for radeon_dri.c is actually:
http://freedesktop.org/cgi-bin/viewcvs.cgi/xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_dri.c?r1=1.4&r2=1.5&root=xorg

> The latest X.org (from CVS date:2004-07-13) seems to crash while opening
> or resizing some gtk windows, I didn't investigate it much, but server
> crashes (Fatal server error: Caught signal 11.  Server aborting) were
> caused by opening xfce4-mixer, evolution-1.5, gtk file save dialog,
> rhythmbox (all of those, including gtk are also latest CVS versions,
> but I don't think gtk could cause this).
>
> Anyway, I tried Xorg from 2004-07-09 and it worked fine, then I applied
> the updates to radeon_dri.c and r128_dri.c and got the same problem as
> with 2004-07-13.
>
> I'm also using the latest radeon drm driver from Xorg cvs, radeon 9000
> pro 64MB, gcc-3.4.1 (also tried 3.3.3), linux-2.6.7-rc3,
> glibc-2.3.4.20040619.
>
> (btw. I made a small test program and getpagesize() did return 4096.)
>
> -- This seem to be the cause of the problem:
> http://freedesktop.org/cgi-bin/viewcvs.cgi/xc/programs/Xserver/hw/xfree86/drivers/ati/r128_dri.c?r1=1.3&r2=1.4&root=xorg
>
> It's also possible that the problem occurs on r128 but I can't test that.
> Strange thing is that the patch is very simple and doesn't look like it
> could cause the server to crash, but maybe I'm missing something.
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