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Date: Wed, 6 Jun 2007 18:35:01 -0400 (EDT)
From: Justin Piszcz <jpiszcz@...idpixels.com>
To: Jesse Barnes <jesse.barnes@...el.com>
cc: Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] trim memory not covered by WB MTRRs
On Wed, 6 Jun 2007, Jesse Barnes wrote:
> On Wednesday, June 6, 2007 3:26 pm Justin Piszcz wrote:
>> Nope, I booted with only netconsole= options. I have a lot of HW in
>> the box and I guess the buffer is too small. Not sure where to
>> change it in the kernel. Looking..
>
> It's called "kernel log buffer size" and it's in "General setup".
>
> Jesse
>
Here ya go (and full dmesg attached)
[ 0.000000] Linux version 2.6.22-rc4 (root@....internal.lan) (gcc
version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) #3 SMP Wed Jun 6
18:30:43 EDT 2007
[ 0.000000] Command line: auto BOOT_IMAGE=2.6.22-rc4-3 ro root=902
netconsole=4444@....168.168.253/eth0,514@....168.168.254/00:50:8D:ED:3C:E7
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: 0000000000000000 - 000000000008f000 (usable)
[ 0.000000] BIOS-e820: 000000000008f000 - 00000000000a0000
(reserved)
[ 0.000000] BIOS-e820: 00000000000e0000 - 0000000000100000
(reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 00000000cf58f000 (usable)
[ 0.000000] BIOS-e820: 00000000cf58f000 - 00000000cf59c000
(reserved)
[ 0.000000] BIOS-e820: 00000000cf59c000 - 00000000cf653000 (usable)
[ 0.000000] BIOS-e820: 00000000cf653000 - 00000000cf6a5000 (ACPI
NVS)
[ 0.000000] BIOS-e820: 00000000cf6a5000 - 00000000cf6a8000 (ACPI
data)
[ 0.000000] BIOS-e820: 00000000cf6a8000 - 00000000cf6ef000 (ACPI
NVS)
[ 0.000000] BIOS-e820: 00000000cf6ef000 - 00000000cf6f1000 (ACPI
data)
[ 0.000000] BIOS-e820: 00000000cf6f1000 - 00000000cf6f2000 (usable)
[ 0.000000] BIOS-e820: 00000000cf6f2000 - 00000000cf6ff000 (ACPI
data)
[ 0.000000] BIOS-e820: 00000000cf6ff000 - 00000000cf700000 (usable)
[ 0.000000] BIOS-e820: 00000000cf700000 - 00000000d0000000
(reserved)
[ 0.000000] BIOS-e820: 00000000fff00000 - 0000000100000000
(reserved)
[ 0.000000] BIOS-e820: 0000000100000000 - 000000022c000000 (usable)
[ 0.000000] Entering add_active_range(0, 0, 143) 0 entries of 256
used
[ 0.000000] Entering add_active_range(0, 256, 849295) 1 entries of
256 used
[ 0.000000] Entering add_active_range(0, 849308, 849491) 2 entries of
256 used
[ 0.000000] Entering add_active_range(0, 849649, 849650) 3 entries of
256 used
[ 0.000000] Entering add_active_range(0, 849663, 849664) 4 entries of
256 used
[ 0.000000] Entering add_active_range(0, 1048576, 2277376) 5 entries
of 256 used
[ 0.000000] end_pfn_map = 2277376
[ 0.000000] ***************
[ 0.000000] **** WARNING: likely BIOS bug
[ 0.000000] **** MTRRs don't cover all of memory, trimmed 16384 pages
[ 0.000000] ***************
[ 0.000000] DMI 2.4 present.
[ 0.000000] ACPI: RSDP 000FE020, 0014 (r0 INTEL )
[ 0.000000] ACPI: RSDT CF6FD038, 0050 (r1 INTEL DG965WH 64C
1000013)
[ 0.000000] ACPI: FACP CF6FC000, 0074 (r1 INTEL DG965WH 64C
MSFT 1000013)
[ 0.000000] ACPI: DSDT CF6F7000, 40E9 (r1 INTEL DG965WH 64C
MSFT 1000013)
[ 0.000000] ACPI: FACS CF6A8000, 0040
[ 0.000000] ACPI: APIC CF6F6000, 0078 (r1 INTEL DG965WH 64C
MSFT 1000013)
[ 0.000000] ACPI: WDDT CF6F5000, 0040 (r1 INTEL DG965WH 64C
MSFT 1000013)
[ 0.000000] ACPI: MCFG CF6F4000, 003C (r1 INTEL DG965WH 64C
MSFT 1000013)
[ 0.000000] ACPI: ASF! CF6F3000, 00A6 (r32 INTEL DG965WH 64C
MSFT 1000013)
[ 0.000000] ACPI: HPET CF6F2000, 0038 (r1 INTEL DG965WH 64C
MSFT 1000013)
[ 0.000000] ACPI: SSDT CF6F0000, 01BC (r1 INTEL CpuPm 64C
MSFT 1000013)
[ 0.000000] ACPI: SSDT CF6EF000, 0175 (r1 INTEL Cpu0Ist 64C
MSFT 1000013)
[ 0.000000] ACPI: SSDT CF6A7000, 0175 (r1 INTEL Cpu1Ist 64C
MSFT 1000013)
[ 0.000000] ACPI: SSDT CF6A6000, 0175 (r1 INTEL Cpu2Ist 64C
MSFT 1000013)
[ 0.000000] ACPI: SSDT CF6A5000, 0175 (r1 INTEL Cpu3Ist 64C
MSFT 1000013)
[ 0.000000] Entering add_active_range(0, 0, 143) 0 entries of 256
used
[ 0.000000] Entering add_active_range(0, 256, 849295) 1 entries of
256 used
[ 0.000000] Entering add_active_range(0, 849308, 849491) 2 entries of
256 used
[ 0.000000] Entering add_active_range(0, 849649, 849650) 3 entries of
256 used
[ 0.000000] Entering add_active_range(0, 849663, 849664) 4 entries of
256 used
[ 0.000000] Entering add_active_range(0, 1048576, 2260992) 5 entries
of 256 used
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0 -> 4096
[ 0.000000] DMA32 4096 -> 1048576
[ 0.000000] Normal 1048576 -> 2260992
[ 0.000000] early_node_map[6] active PFN ranges
[ 0.000000] 0: 0 -> 143
[ 0.000000] 0: 256 -> 849295
[ 0.000000] 0: 849308 -> 849491
[ 0.000000] 0: 849649 -> 849650
[ 0.000000] 0: 849663 -> 849664
[ 0.000000] 0: 1048576 -> 2260992
[ 0.000000] On node 0 totalpages: 2061783
[ 0.000000] DMA zone: 56 pages used for memmap
[ 0.000000] DMA zone: 1395 pages reserved
[ 0.000000] DMA zone: 2532 pages, LIFO batch:0
[ 0.000000] DMA32 zone: 14280 pages used for memmap
[ 0.000000] DMA32 zone: 831104 pages, LIFO batch:31
[ 0.000000] Normal zone: 16576 pages used for memmap
[ 0.000000] Normal zone: 1195840 pages, LIFO batch:31
[ 0.000000] ACPI: PM-Timer IO Port: 0x408
[ 0.000000] ACPI: Local APIC address 0xfee00000
View attachment "dmesg-full.txt" of type "TEXT/plain" (49579 bytes)
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