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Date: Mon, 28 Apr 2008 21:46:30 +0200
From: Gabriel C <nix.or.die@googlemail.com>
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To: Yinghai Lu <yhlu.kernel@gmail.com>
CC: Mika Fischer <mika.fischer@zoopnet.de>, Ingo Molnar <mingo@elte.hu>,
       Andrew Morton <akpm@linux-foundation.org>,
       "H. Peter Anvin" <hpa@zytor.com>, LKML <linux-kernel@vger.kernel.org>,
       Jesse Barnes <jesse.barnes@intel.com>, balajirrao@gmail.com,
       Andi Kleen <andi@firstfloor.org>, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] x86_32: trim memory by updating e820 v3
References: <200801192045.17291.yinghai.lu@sun.com>	 <20080426035614.a30afb17.akpm@linux-foundation.org>	 <48132665.8050202@googlemail.com>	 <86802c440804272344yac6a9f0n40809169424247e6@mail.gmail.com>	 <48159668.5010808@googlemail.com>	 <86802c440804280234y5b38b4bds330fc1a6987202c5@mail.gmail.com>	 <48159ECF.9020004@googlemail.com> <20080428135351.GF3973@elte.hu>	 <4815DB15.4070908@zoopnet.de> <4815DE0C.6000802@googlemail.com> <86802c440804281208n7cb7a03cj1a06b49ea15afb7b@mail.gmail.com>
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Yinghai Lu wrote:
> On Mon, Apr 28, 2008 at 7:24 AM, Gabriel C <nix.or.die@googlemail.com> wrote:
>> Mika Fischer wrote:
>>  > Hi Ingo,
>>  >
>>  > I'm having the same problem.
>>  >
>>  > Ingo Molnar schrieb:
>>  >> excellent. So just to make sure: this box never had proper graphics
>>  >> under Linux (under no previous kernel), due to the way the BIOS has set
>>  >> up the MTRR's, right?
>>  >
>>  > Well, not quite. X still works fine, but since the video memory is
>>  > overlapped by two of the existing MTRRs, X cannot add a write-combining
>>  > range for the video memory. That makes X rather slow especially if you
>>  > use DRI for Compiz etc.
>>
>>  Well you are lucky then :)
>>
>>  Yeah X 'worked' but it worked as slow as with vesa video driver here.
>>
>>  Also starting something like supertuxkart made it crash or I got a black screen :(
>>
>>  The only game I managed to start ( without X to crash ) without that patch was supertux but is was slow as hell.
>>  However I'm not a gamer but I need X to work right.
>>
> or can you change graphics card memory in BIOS to some big like 256M
> instead of 64M?
> 

It is set to 256M , I cannot even set it to 64MB in BIOS.
I have options for 128/256 MB only and I think I can change the mode to fixed.

> YH
> 

Gabriel