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Bug#506666: Can't reproduce here...



I tried the simple SDL_Init/SDL_Quit example from [1] and it doesn't crash. I 
also tried running tuxpaint, not crashing my machine either. The system is a 
current testing system, also on a Mac Mini G4.

Attached is the xorg.conf file, notable differences are:
 - The whole "Module" section.
 - In the "Device" section the "MacModel" option, I'm not sure if this is 
important though.
 - In the "Device" section the "IgnoreEDID" option. My monitor actually 
reports more (60Hz) than it is really capable of (58Hz), so I have to program 
the timing manually.
 - I'm running at a display depth of 16 bit instead of 8.

Actually, what depth are you running? I assumed it would use the first one, 
i.e. 8BPP in your case, is that true? However, I think this is mostly a mode 
for legacy code, as all others now use some kind of RGB encoding. I would 
definitely suggest trying 15/16/24 bits, too, that might already fix your 
problem.

Uli

[1] http://lazyfoo.net/SDL_tutorials/lesson01/linux/cli/index.php
Section "Files"
	FontPath	"/usr/share/fonts/X11/misc"
	FontPath	"/usr/X11R6/lib/X11/fonts/misc"
	FontPath	"/usr/share/fonts/X11/cyrillic"
	FontPath	"/usr/X11R6/lib/X11/fonts/cyrillic"
	FontPath	"/usr/share/fonts/X11/100dpi/:unscaled"
	FontPath	"/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
	FontPath	"/usr/share/fonts/X11/75dpi/:unscaled"
	FontPath	"/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
	FontPath	"/usr/share/fonts/X11/Type1"
	FontPath	"/usr/X11R6/lib/X11/fonts/Type1"
	FontPath	"/usr/share/fonts/X11/100dpi"
	FontPath	"/usr/X11R6/lib/X11/fonts/100dpi"
	FontPath	"/usr/share/fonts/X11/75dpi"
	FontPath	"/usr/X11R6/lib/X11/fonts/75dpi"
	# path to defoma fonts
	FontPath	"/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
	Load	"bitmap"
	Load	"dbe"
	Load	"ddc"
	Load	"dri"
	Load	"extmod"
	Load	"glx"
	Load	"int10"
	Load	"vbe"
EndSection

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc104"
	Option		"XkbLayout"	"dvorak"
	Option		"XkbVariant"	"dvorak"
	Option      "XkbOptions"    "lv3:ralt_switch"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
EndSection

Section "Device"
	Identifier	"Builtin Radeon"
	Driver		"radeon"
	# select model with integrated DVI adapter
	Option      "MacModel" "mini-internal"
	# ignore monitor mode lines received via DDC but use DDC to detect the monitor itself
	Option      "IgnoreEDID"  "true"
	Option "AccelMethod" "XAA"
EndSection

Section "Monitor"
	Identifier	"SyncMaster 225BW on VGA"
	Option		"DPMS"
EndSection

Section "Monitor"
        Identifier "SyncMaster 225BW on DVI"
        ModelName "SyncMaster"

	# 1680x1050 57.96 Hz (CVT) hsync: 63.06 kHz; pclk: 141.25 MHz
	Modeline "1680x1050@58"  141.25  1680 1784 1960 2240  1050 1053 1059 1088 -hsync +vsync
	Modeline "1680x1050@57"  140.25  1680 1784 1960 2240  1050 1053 1059 1088 -hsync +vsync

	Option  "PreferredMode" "1680x1050@57"
EndSection


Section "Screen"
	Identifier	"Default Screen"
	Device		"Builtin Radeon"
	Monitor		"SyncMaster 225BW on DVI"
	DefaultDepth	16
	SubSection "Display"
		Depth		1
		Modes		"1680x1050" "1280x1024" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		4
		Modes		"1680x1050" "1280x1024" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		8
		Modes		"1680x1050" "1280x1024" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		15
		Modes		"1680x1050" "1280x1024" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		16
		Modes		"1680x1050" "1280x1024" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Depth		24
		Modes		"1680x1050" "1280x1024" "1024x768" "800x600" "640x480"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
	InputDevice	"Generic Keyboard"
	InputDevice	"Configured Mouse"
EndSection

Section "DRI"
	Mode	0666
EndSection

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