Re: 3.10-rc4: mtrr_cleanup: can not find optimal value, pleasespecify mtrr_gran_size/mtrr_chunk_size

From: Sergey Meirovich
Date: Mon Jun 10 2013 - 14:00:53 EST

Next message: Mark Brown: "Re: [RFC PATCH 1/4] regulator: Introduce OMAP regulator to controlPMIC over VC/VP"
Previous message: Waiman Long: "[PATCH 1/2 v5] SELinux: Reduce overhead of mls_level_isvalid() function call"
In reply to: Matt: "Re: 3.10-rc4: mtrr_cleanup: can not find optimal value, pleasespecify mtrr_gran_size/mtrr_chunk_size"
Next in thread: Yinghai Lu: "Re: 3.10-rc4: mtrr_cleanup: can not find optimal value, pleasespecify mtrr_gran_size/mtrr_chunk_size"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Hi Matt,

On 10 June 2013 18:41, Matt <jackdachef@xxxxxxxxx> wrote:
> Hi Sergey,
>
> Hi List, Hi Yinghai Lu,
>
>
> the following patches
>
> http://marc.info/?l=linux-kernel&m=137080807327118&w=2
> http://marc.info/?l=linux-kernel&m=137080805927115&w=2
>
> "fixed" it for me and it works again
>
> meanwhile I also tried out 3.9.5 & 3.8.13 and I got the same "BAD"
> result on 3.9.5 whereas with 3.8.13 it worked fine
>
>
> result of 3.10-rc5 + patches:

3.10-rc5 with patches has curred error messages in dmesg but MTRRs
still do not cover my entire memory (7748Mb) or anything close to it
("total RAM covered: 2936M").Unfortunately, I don't have anything
other to compare to because this system started straight with 3.9.X

rathamahata@piledriver ~ $ free -m
total used free shared buffers cached
Mem: 7748 1264 6483 0 56 513
-/+ buffers/cache: 695 7053
Swap: 3659 0 3659
rathamahata@piledriver ~ $

...
[ 0.000000] e820: last_pfn = 0x23f000 max_arch_pfn = 0x400000000
[ 0.000000] MTRR default type: uncachable
[ 0.000000] MTRR fixed ranges enabled:
[ 0.000000] 00000-9FFFF write-back
[ 0.000000] A0000-BFFFF write-through
[ 0.000000] C0000-D2FFF write-protect
[ 0.000000] D3000-DFFFF uncachable
[ 0.000000] E0000-FFFFF write-protect
[ 0.000000] MTRR variable ranges enabled:
[ 0.000000] 0 base 000000000000 mask FFFF80000000 write-back
[ 0.000000] 1 base 000080000000 mask FFFFC0000000 write-back
[ 0.000000] 2 base 0000B7800000 mask FFFFFF800000 uncachable
[ 0.000000] 3 base 0000B8000000 mask FFFFF8000000 uncachable
[ 0.000000] 4 disabled
[ 0.000000] 5 disabled
[ 0.000000] 6 disabled
[ 0.000000] 7 disabled
[ 0.000000] TOM2: 000000023f000000 aka 9200M
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] original variable MTRRs
[ 0.000000] reg 0, base: 0GB, range: 2GB, type WB
[ 0.000000] reg 1, base: 2GB, range: 1GB, type WB
[ 0.000000] reg 2, base: 2936MB, range: 8MB, type UC
[ 0.000000] reg 3, base: 2944MB, range: 128MB, type UC
[ 0.000000] total RAM covered: 2936M
[ 0.000000] Found optimal setting for mtrr clean up
[ 0.000000] gran_size: 64K chunk_size: 256M num_reg: 4
lose cover RAM: 0G
[ 0.000000] New variable MTRRs
[ 0.000000] reg 0, base: 0GB, range: 2GB, type WB
[ 0.000000] reg 1, base: 2GB, range: 1GB, type WB
[ 0.000000] reg 2, base: 2936MB, range: 8MB, type UC
[ 0.000000] reg 3, base: 2944MB, range: 128MB, type UC
[ 0.000000] e820: update [mem 0xb7800000-0xffffffff] usable ==> reserved
[ 0.000000] e820: last_pfn = 0xb7800 max_arch_pfn = 0x400000000
[ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]20:
last_pfn = 0x23f000 max_arch_pfn = 0x400000000
[ 0.000000] MTRR default type: uncachable
[ 0.000000] MTRR fixed ranges enabled:
[ 0.000000] 00000-9FFFF write-back
[ 0.000000] A0000-BFFFF write-through
[ 0.000000] C0000-D2FFF write-protect
[ 0.000000] D3000-DFFFF uncachable
[ 0.000000] E0000-FFFFF write-protect
[ 0.000000] MTRR variable ranges enabled:
[ 0.000000] 0 base 000000000000 mask FFFF80000000 write-back
[ 0.000000] 1 base 000080000000 mask FFFFC0000000 write-back
[ 0.000000] 2 base 0000B7800000 mask FFFFFF800000 uncachable
[ 0.000000] 3 base 0000B8000000 mask FFFFF8000000 uncachable
[ 0.000000] 4 disabled
[ 0.000000] 5 disabled
[ 0.000000] 6 disabled
[ 0.000000] 7 disabled
[ 0.000000] TOM2: 000000023f000000 aka 9200M
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] original variable MTRRs
[ 0.000000] reg 0, base: 0GB, range: 2GB, type WB
[ 0.000000] reg 1, base: 2GB, range: 1GB, type WB
[ 0.000000] reg 2, base: 2936MB, range: 8MB, type UC
[ 0.000000] reg 3, base: 2944MB, range: 128MB, type UC
[ 0.000000] total RAM covered: 2936M
[ 0.000000] Found optimal setting for mtrr clean up
[ 0.000000] gran_size: 64K chunk_size: 256M num_reg: 4
lose cover RAM: 0G
[ 0.000000] New variable MTRRs
[ 0.000000] reg 0, base: 0GB, range: 2GB, type WB
[ 0.000000] reg 1, base: 2GB, range: 1GB, type WB
[ 0.000000] reg 2, base: 2936MB, range: 8MB, type UC
[ 0.000000] reg 3, base: 2944MB, range: 128MB, type UC
[ 0.000000] e820: update [mem 0xb7800000-0xffffffff] usable ==> reserved
[ 0.000000] e820: last_pfn = 0xb7800 max_arch_pfn = 0x400000000
[ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576
[ 0.000000] Using GB pages for direct mapping
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
...

>
> [ 0.000000] MTRR default type: uncachable
> [ 0.000000] MTRR fixed ranges enabled:
> [ 0.000000] 00000-9FFFF write-back
> [ 0.000000] A0000-BFFFF uncachable
> [ 0.000000] C0000-D3FFF write-protect
> [ 0.000000] D4000-DFFFF uncachable
> [ 0.000000] E0000-E3FFF write-protect
> [ 0.000000] E4000-E7FFF write-through
> [ 0.000000] E8000-EBFFF write-protect
> [ 0.000000] EC000-EFFFF write-through
> [ 0.000000] F0000-FFFFF write-protect
> [ 0.000000] MTRR variable ranges enabled:
> [ 0.000000] 0 base 000000000 mask E00000000 write-back
> [ 0.000000] 1 base 200000000 mask FC0000000 write-back
> [ 0.000000] 2 base 0C0000000 mask FC0000000 uncachable
> [ 0.000000] 3 disabled
> [ 0.000000] 4 disabled
> [ 0.000000] 5 disabled
> [ 0.000000] 6 disabled
> [ 0.000000] 7 disabled
> [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
> [ 0.000000] original variable MTRRs
> [ 0.000000] reg 0, base: 0GB, range: 8GB, type WB
> [ 0.000000] reg 1, base: 8GB, range: 1GB, type WB
> [ 0.000000] reg 2, base: 3GB, range: 1GB, type UC
> [ 0.000000] total RAM covered: 8192M
> [ 0.000000] Found optimal setting for mtrr clean up
> [ 0.000000] gran_size: 64K chunk_size: 64K num_reg: 4 lose cover RAM: 0G
> [ 0.000000] New variable MTRRs
> [ 0.000000] reg 0, base: 0GB, range: 2GB, type WB
> [ 0.000000] reg 1, base: 2GB, range: 1GB, type WB
> [ 0.000000] reg 2, base: 4GB, range: 4GB, type WB
> [ 0.000000] reg 3, base: 8GB, range: 1GB, type WB
>
> cat /proc/mtrr
> reg00: base=0x000000000 ( 0MB), size= 2048MB, count=1: write-back
> reg01: base=0x080000000 ( 2048MB), size= 1024MB, count=1: write-back
> reg02: base=0x100000000 ( 4096MB), size= 4096MB, count=1: write-back
> reg03: base=0x200000000 ( 8192MB), size= 1024MB, count=1: write-back
> reg04: base=0x0d0000000 ( 3328MB), size= 256MB, count=1: write-combining
>
> which is the same like on 3.8.13
>
>
> Thanks !
>
> Matt
>
> On Mon, Jun 10, 2013 at 12:01 PM, Sergey Meirovich
> <rathamahata@xxxxxxxxx> wrote:
>> Hi,
>>
>> On 5 June 2013 02:08, Matt <jackdachef@xxxxxxxxx> wrote:
>>> Hi everyone,
>>>
>>>
>>> I noticed today the following error messages in /var/log/kern.log :
>>>
>>>
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] MTRR default type: uncachable
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] MTRR fixed ranges enabled:
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 00000-9FFFF write-back
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] A0000-BFFFF uncachable
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] C0000-D3FFF write-protect
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] D4000-DFFFF uncachable
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] E0000-E3FFF write-protect
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] E4000-E7FFF write-through
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] E8000-EBFFF write-protect
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] EC000-EFFFF write-through
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] F0000-FFFFF write-protect
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] MTRR variable ranges enabled:
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 0 base 000000000
>>> mask E00000000 write-back
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 1 base 200000000
>>> mask FC0000000 write-back
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 2 base 0C0000000
>>> mask FC0000000 uncachable
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 3 disabled
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 4 disabled
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 5 disabled
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 6 disabled
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] 7 disabled
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] x86 PAT enabled: cpu
>>> 0, old 0x7040600070406, new 0x7010600070106
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] original variable MTRRs
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] reg 0, base: 0GB,
>>> range: 8GB, type WB
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] reg 1, base: 8GB,
>>> range: 1GB, type WB
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] reg 2, base: 3GB,
>>> range: 1GB, type UC
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] total RAM covered: 8192M
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 64K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 128K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 256K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 512K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 128K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 256K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 512K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 256K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 512K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 512K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 256M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 512M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1G
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] *BAD*gran_size: 1G
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] gran_size: 2G
>>> chunk_size: 2G num_reg: 2 lose cover RAM: 2G
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] mtrr_cleanup: can not
>>> find optimal value
>>> Jun 5 00:26:48 localhost kernel: [ 0.000000] please specify
>>> mtrr_gran_size/mtrr_chunk_size
>>>
>>>
>>>
>>> when trying to append some commands, e.g.:
>>>
>>> enable_mtrr_cleanup mtrr_spare_reg_nr=1 mtrr_gran_size=32M mtrr_chunk_size=128M
>>>
>>> or
>>>
>>> enable_mtrr_cleanup mtrr_spare_reg_nr=0
>>>
>>> it doesn't make any change
>>>
>>>
>>> this would yield the following result:
>>>
>>>
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] MTRR default type: uncachable
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] MTRR fixed ranges enabled:
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 00000-9FFFF write-back
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] A0000-BFFFF uncachable
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] C0000-D3FFF write-protect
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] D4000-DFFFF uncachable
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] E0000-E3FFF write-protect
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] E4000-E7FFF write-through
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] E8000-EBFFF write-protect
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] EC000-EFFFF write-through
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] F0000-FFFFF write-protect
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] MTRR variable ranges enabled:
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 0 base 000000000
>>> mask E00000000 write-back
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 1 base 200000000
>>> mask FC0000000 write-back
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 2 base 0C0000000
>>> mask FC0000000 uncachable
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 3 disabled
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 4 disabled
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 5 disabled
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 6 disabled
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] 7 disabled
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] x86 PAT enabled: cpu
>>> 0, old 0x7040600070406, new 0x7010600070106
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] original variable MTRRs
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] reg 0, base: 0GB,
>>> range: 8GB, type WB
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] reg 1, base: 8GB,
>>> range: 1GB, type WB
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] reg 2, base: 3GB,
>>> range: 1GB, type UC
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] total RAM covered: 8192M
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] invalid
>>> mtrr_gran_size or mtrr_chunk_size, will find optimal one
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 64K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 128K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 256K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 512K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64K
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 128K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 256K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 512K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128K
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 256K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 512K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256K
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 512K num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512K
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 1M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 2M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 2M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 4M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 4M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 8M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 8M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 16M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 16M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 32M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 32M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 64M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 64M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 128M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 128M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256M
>>> chunk_size: 256M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 256M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512M
>>> chunk_size: 512M num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512M
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 512M
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1G
>>> chunk_size: 1G num_reg: 4 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] *BAD*gran_size: 1G
>>> chunk_size: 2G num_reg: 5 lose cover RAM: -0G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] gran_size: 2G
>>> chunk_size: 2G num_reg: 2 lose cover RAM: 2G
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] mtrr_cleanup: can not
>>> find optimal value
>>> Jun 5 00:20:47 localhost kernel: [ 0.000000] please specify
>>> mtrr_gran_size/mtrr_chunk_size
>>>
>>>
>>>
>>>
>>>
>>> Is this some kind of kernel BUG due to the negative value (- 0G) ?
>>>
>>> MTRR seems to be a topic that is not widely discussed or thoroughly
>>> understood when using google to find answers.
>>>
>>> cat /proc/mtrr
>>> reg00: base=0x000000000 ( 0MB), size= 8192MB, count=1: write-back
>>> reg01: base=0x200000000 ( 8192MB), size= 1024MB, count=1: write-back
>>> reg02: base=0x0c0000000 ( 3072MB), size= 1024MB, count=1: uncachable
>>>
>>
>> I also seems to suffer from the same issue on 3.9.5:
>> in my situation it looks even weirder:
>> rathamahata@piledriver ~ $ cat /proc/mtrr
>> reg00: base=0x000000000 ( 0MB), size= 2048MB, count=1: write-back
>> reg01: base=0x080000000 ( 2048MB), size= 256MB, count=1: write-back
>> reg02: base=0x08f800000 ( 2296MB), size= 8MB, count=1: uncachable
>> reg03: base=0x0b0000000 ( 2816MB), size= 256MB, count=1: write-combining
>> reg04: base=0x0c0000000 ( 3072MB), size= 256MB, count=1: write-combining
>> rathamahata@piledriver ~ $ free -m
>> total used free shared buffers cached
>> Mem: 7370 745 6624 0 34 241
>> -/+ buffers/cache: 470 6900
>> Swap: 3659 0 3659
>> rathamahata@piledriver ~ $
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: Mark Brown: "Re: [RFC PATCH 1/4] regulator: Introduce OMAP regulator to controlPMIC over VC/VP"
Previous message: Waiman Long: "[PATCH 1/2 v5] SELinux: Reduce overhead of mls_level_isvalid() function call"
In reply to: Matt: "Re: 3.10-rc4: mtrr_cleanup: can not find optimal value, pleasespecify mtrr_gran_size/mtrr_chunk_size"
Next in thread: Yinghai Lu: "Re: 3.10-rc4: mtrr_cleanup: can not find optimal value, pleasespecify mtrr_gran_size/mtrr_chunk_size"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]