Re: G400 vs. DRM
* Eugene Tyurin (eugene_tyurin@yahoo.com) wrote:
>
>
> Hello,
>
> I'm having trouble with this strange error message from bzflag (.deb
> 1.7e2-1) and GL in general:
>
> gene@daBox:~$ bzflag
> libGL error: failed to open DRM: Operation not permitted
> libGL error: reverting to (slow) indirect rendering
> loading fixedbr...
> loading panel...
>
> At the same time, log file for X (.deb 4.1.0-9 ) shows:
>
> (II) LoadModule: "drm"
> (II) Loading /usr/X11R6/lib/modules/linux/libdrm.a
> (II) Module drm: vendor="The XFree86 Project"
> compiled for 4.1.0.1, module version = 1.0.0
> (II) MGA(0): [drm] bpp: 32 depth: 24
> (II) MGA(0): [drm] Sarea 2200+664: 2864
> (II) MGA(0): [drm] created "mga" driver at busid "PCI:1:5:0"
> (II) MGA(0): [drm] added 4096 byte SAREA at 0xc99ef000
> (II) MGA(0): [drm] mapped SAREA 0xc99ef000 to 0x4001a000
> (II) MGA(0): [drm] framebuffer handle = 0xdc000000
> (II) MGA(0): [drm] added 1 reserved context for kernel
> (II) MGA(0): [drm] Added 128 65536 byte DMA buffers
> (II) MGA(0): [drm] Registers handle = 0xd8000000
> (II) MGA(0): [drm] Status handle = 0xca9fb000
> (II) MGA(0): [drm] installed DRM signal handler
> (II) MGA(0): [drm] Mapped 128 DMA buffers
>
> I am running up-to-date woody with custom kernel 2.4.15-pre1:
>
> CONFIG_DRM=y
> CONFIG_DRM_MGA=y
>
> If I run X as '-depth 16', I don't get libGL error, but bzflag still
> uses indirect rendering.
>
> Any suggestions on how to fix this?
>
> --ET.
Eugene,
To my untrained eye this log doesn't really show if dri was loaded. I
had the same log, but dri didn't work on my G400. I apologize if I
needlesly reiterate what you've already done, but I believe that in
addition to the kernel compile options you mentioned I had the
following:
CONFIG_AGP=y
CONFIG_AGP_INTEL=y (since I have a 440BX chipset)
CONFIG_DRM=y
CONFIG_DRM_MGA=y
also, look for this part in the XFree86.log:
(==) MGA(0): Silken mouse enabled
(**) Option "dpms"
(**) MGA(0): DPMS enabled
(II) MGA(0): Using overlay video
(II) MGA(0): X context handle = 0x00000001
(II) MGA(0): [drm] installed DRM signal handler
(II) MGA(0): [DRI] installation complete
(II) MGA(0): [drm] Mapped 128 DMA buffers
(==) MGA(0): Direct rendering enabled
You really want to se the last line above. I╢m attaching my XF86Config-4 if that will help any.
Alex.
# XF86Config-4 (XFree86 server configuration file) generated by Dexconf, the
# Debian X Configuration tool, using values from the debconf database.
#
# Edit this file with caution, and see the XF86Config manual page.
# (Type "man XF86Config" at the shell prompt.)
Section "Files"
# FontPath "unix/:7100" # local font server
# FontPath "unix/:7110" # xfs-xtt true type font server
# if the local font server has problems, we can fall back on these
FontPath "/usr/lib/X11/fonts/TrueType"
FontPath "/usr/lib/X11/fonts/cyrillic/:unscaled"
FontPath "/usr/lib/X11/fonts/100dpi/:unscaled"
FontPath "/usr/lib/X11/fonts/75dpi/:unscaled"
FontPath "/usr/lib/X11/fonts/misc/:unscaled"
FontPath "/usr/lib/X11/fonts/cyrillic"
FontPath "/usr/lib/X11/fonts/misc"
FontPath "/usr/lib/X11/fonts/Type1"
FontPath "/usr/lib/X11/fonts/Speedo"
FontPath "/usr/lib/X11/fonts/100dpi"
FontPath "/usr/lib/X11/fonts/75dpi"
EndSection
Section "ServerFlags"
EndSection
Section "Module"
Load "ddc"
Load "dri"
Load "GLcore"
Load "dbe"
Load "extmod"
Load "glx"
Load "pex5"
Load "record"
Load "xie"
Load "bitmap"
Load "freetype"
Load "speedo"
Load "type1"
Load "vbe"
Load "int10"
EndSection
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "keyboard"
Option "CoreKeyboard"
Option "Protocol" "Standard"
Option "AutoRepeat" "500 30"
Option "XkbKeycodes" "xfree86"
Option "XkbTypes" "default"
Option "XkbCompat" "default"
Option "XkbGeometry" "pc"
Option "XkbRules" "xfree86"
Option "XkbModel" "microsoft"
Option "XkbLayout" "rums(basic)"
Option "XkbOptions" "grp:toggle"
EndSection
Section "InputDevice"
Identifier "Generic Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/psaux"
Option "Protocol" "PS/2"
Option "Emulate3Buttons" "yes"
Option "Emulate3Timeout" "150"
Option "ZAxisMapping" "4 5"
EndSection
Section "Device"
Identifier "Matrox G400"
Driver "mga"
Option "AGPMode" "2"
# ChipSet "mgag400"
# BusID "PCI:1:0:0"
EndSection
Section "Monitor"
Identifier "Hitachi CM 751"
HorizSync 31-93
VertRefresh 50-160
Option "DPMS"
EndSection
Section "Screen"
Identifier "Default Screen"
Device "Matrox G400"
Monitor "Hitachi CM 751"
DefaultDepth 16
SubSection "Display"
Depth 1
Modes "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 32
Modes "1280x960" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Generic Mouse"
EndSection
Section "DRI"
Group "dri"
# Mode 0666
Mode 0660
EndSection
# end of XF86Config
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