linux-kernel - Re: Radeon DRI, mtrr overlaps, wrong RAM value

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Date:	Tue, 24 Oct 2006 19:01:04 +0200
From:	Sebastian Kärgel <mailing@...kahexe.de>
To:	Sebastian Kemper <sebastian_ml@....net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Radeon DRI, mtrr overlaps, wrong RAM value

Hi,

> I get the following warnings once my X server starts:
> 
> mtrr: 0xd0000000,0x10000000 overlaps existing 0xd0000000,0x8000000
> mtrr: 0xd0000000,0x10000000 overlaps existing 0xd0000000,0x8000000
> mtrr: 0xd0000000,0x10000000 overlaps existing 0xd0000000,0x8000000
> mtrr: 0xd0000000,0x10000000 overlaps existing 0xd0000000,0x8000000
> mtrr: 0xd0000000,0x10000000 overlaps existing 0xd0000000,0x8000000

Same here:

mtrr: 0xd0000000,0x8000000 overlaps existing 0xd0000000,0x4000000
mtrr: 0xd0000000,0x8000000 overlaps existing 0xd0000000,0x4000000
mtrr: 0xd0000000,0x8000000 overlaps existing 0xd0000000,0x4000000

> In Xorg.0.log I get these warnings:
> 
> (WW) RADEON(0): DRI init changed memory map, adjusting ...
> (WW) RADEON(0):   MC_FB_LOCATION  was: 0xd7ffd000 is: 0xd7ffd000
> (WW) RADEON(0):   MC_AGP_LOCATION was: 0xffffffc0 is: 0xe07fe000
> (**) RADEON(0): GRPH_BUFFER_CNTL from 20205c5c to 203e5c5c

XOrg Version: 6.8.2: No such messages here.

> /proc/mtrr holds these values:
> reg00: base=0x00000000 (   0MB), size= 512MB: write-back, count=1
> reg01: base=0xe0000000 (3584MB), size=  32MB: write-combining, count=2
> reg02: base=0xd0000000 (3328MB), size= 128MB: write-combining, count=1

reg00: base=0x00000000 (   0MB), size=1024MB: write-back, count=1
reg01: base=0xd0000000 (3328MB), size=  64MB: write-combining, count=1
reg05: base=0xe0000000 (3584MB), size= 128MB: write-combining, count=2

Kernel: 2.6.18.1

take care,
sebastian
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