Matrox framebuffer

From: Daniel Podlejski (
Date: Tue Oct 10 2000 - 08:33:53 EST

I have problem with Matrox G400 framebuffer. After turn
on computer, kernel freez durning boot with snow on my monitor.
When I start it with options video=matrox:disbled, and run XFree86
4.0.1 with official drivers from Matrox web page, and reboot my
computer again - everything works fine.

>From dmesg:

matroxfb: Matrox unknown G400 (AGP) detected
matroxfb: MTRR's turned on
matroxfb: cannot set xres to 800, rounded up to 832
matroxfb: cannot set xres to 800, rounded up to 832
matroxfb: 800x600x8bpp (virtual: 832x20160)
matroxfb: framebuffer at 0x42000000, mapped to 0xc8805000, size 16777216
Console: switching to colour frame buffer device 100x37
fb0: MATROX VGA frame buffer device

And lspci -v:

01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04) (prog-if 00 [VGA])
        Subsystem: Matrox Graphics, Inc. Millennium G400 16Mb SGRAM
        Flags: medium devsel, IRQ 11
        Memory at 42000000 (32-bit, prefetchable) [size=32M]
        Memory at 40800000 (32-bit, non-prefetchable) [size=16K]
        Memory at 40000000 (32-bit, non-prefetchable) [size=8M]
        Expansion ROM at <unassigned> [disabled] [size=64K]
        Capabilities: [dc] Power Management version 2
        Capabilities: [f0] AGP version 2.0

uname -a
Linux random 2.4.0-test9 #1 Tue Oct 10 15:05:22 CEST 2000 i686 unknown

Daniel Podlejski <>
   ... When you're through with life and all hope is lost,
   Hold out your hand cos right till the end - friends will be friends ...
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