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From: "Marco" <marco4ever@libero.it>
To: "linux-kernel" <linux-kernel@vger.kernel.org>
Subject: MTRR Problem with 2.6.18-4
Date: Mon,  2 Apr 2007 13:44:05 +0200	[thread overview]
Message-ID: <JFVCLH$F3BAE0357982714B025306FB8CF4A0C1@libero.it> (raw)

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


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             reply	other threads:[~2007-04-02 11:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-02 11:44 Marco [this message]
2007-04-02 17:09 ` MTRR Problem with 2.6.18-4 Marco
2007-04-03  6:13   ` Antonino A. Daplas

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