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Date: Mon, 02 Apr 2007 19:09:06 +0200
From: Marco <marco4ever@libero.it>
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To: linux-kernel@vger.kernel.org
Subject: Re: MTRR Problem with 2.6.18-4
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Marco ha scritto:
> Hi everybody,
>
> Laptop: Sony VAIO VGN-SZ3VP/X
> Kernel: 2.6.18-4
>
> I have the following problem with mtrr:
>
> #cat /proc/mtrr
> reg00: base=0x00000000 (?? 0MB), size=2048MB: write-back, count=1
> reg01: base=0x7ff00000 (2047MB), size=?? 1MB: uncachable, count=1
>
> #lspci -v
> 01:00.0 VGA compatible controller: nVidia Corporation GeForce Go 7400 (rev a1) (prog-if 00 [VGA])
>  Subsystem: Sony Corporation Unknown device 81e6
>  Flags: bus master, fast devsel, latency 0, IRQ 5
>  Memory at dd000000 (32-bit, non-prefetchable) [size=16M]
>  Memory at c0000000 (64-bit, prefetchable) [size=256M]
>  Memory at dc000000 (64-bit, non-prefetchable) [size=16M]
>  Capabilities: [60] Power Management version 2
>  Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
>  Capabilities: [78] Express Endpoint IRQ 0
>  Capabilities: [100] Virtual Channel
>  Capabilities: [128] Power Budgeting
>
> Kernel boot option:
> kernel /vmlinuz-2.6.18-4-686 root=/dev/sda3 ro video=vesafb:mtrr,ywrap vga=792 acpi_sleep=s3_bios elevator=cfq resume2=swap:/dev/sda2 
>
> Can you help me to fix the "uncachable" reg?
> Thanks
>
> Marco
>   
Any idea? :'(
Regards

Marco