linux-kernel - Re: [Bug 11388] New: 2.6.27-rc3 warns about MTRR range; only 3 of 16gb of memory is usable

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Message-ID: <86802c440808211855h50ea65faudc169e48f83e18e2@mail.gmail.com>
Date:	Thu, 21 Aug 2008 18:55:58 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Joshua Hoblitt" <josh@...litt.com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	bugme-daemon@...zilla.kernel.org, linux-kernel@...r.kernel.org,
	j_kernel@...litt.com
Subject: Re: [Bug 11388] New: 2.6.27-rc3 warns about MTRR range; only 3 of 16gb of memory is usable

On Thu, Aug 21, 2008 at 6:10 PM, Joshua Hoblitt <josh@...litt.com> wrote:
> Ugh - I just realized I forgot to type "-dirty" into grub after
> rebuilding the kernel.  Here is the new dmesg with the msr trace.
>
> -J
>
> --
> On Thu, Aug 21, 2008 at 03:00:14PM -1000, Joshua Hoblitt wrote:
>> I have applied your patch to the tip tree and rebuilt.  Still no msr
>> dump.
>>
>> -J
>>
>> --
>> On Thu, Aug 21, 2008 at 02:29:52PM -1000, Joshua Hoblitt wrote:
>> > Lol.  No - I thought you implied it was in the tip tree.  Sigh.  I'll
>> > try again.
>> >
[    0.429971]  MSR00000200: 00000000d0000000
[    0.433305]  MSR00000201: 0000000ff0000800

==> base: 0xd0000000 size: 0x10000000 UC

[    0.436638]  MSR00000202: 00000000e0000000
[    0.439971]  MSR00000203: 0000000fe0000800
==> base: 0xe000000 size: 0x2000000 UC

[    0.443304]  MSR00000204: 0000000000000006
[    0.446637]  MSR00000205: 0000000c00000800

==> base: 0 size 16G WB

[    0.449970]  MSR00000206: 0000000400000006
[    0.453303]  MSR00000207: 0000000fe0000800

==> base: 16G, size: 128M WB

[    0.456636]  MSR00000208: 0000000420000006
[    0.459970]  MSR00000209: 0000000ff0000800
==> base: 16g+128M, size 64M WB

[    0.463303]  MSR0000020a: 0000000000000000
[    0.466636]  MSR0000020b: 0000000000000000

[    0.469969]  MSR0000020c: 0000000000000000
[    0.473302]  MSR0000020d: 0000000000000000

it seems right.

can you send out /proc/cpuinfo

YH
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