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Date:	Sat, 19 May 2007 13:33:56 +0500 (AMST)
From:	eugene@...armcci.am
To:	"H. Peter Anvin" <hpa@...or.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: ht CPU flag



On Fri, 18 May 2007, H. Peter Anvin wrote:

> eugene@...armcci.am wrote:
>> As I already told, there is no stepping 4 for Xeons on Intel site! So
>> /proc/cpuinfo, dmidecode, x86info are all wrong.
>> Moreover, x86info is too old and can't work with /sys fs.
>>
>> Also Linux is poor on giving FSB and Memory frequency, which I need to
>> be sure that memory timing is correct (SPD gives slower parameters then
>> are on SDRAM labels :( ).
>
> Linux doesn't give a hoot.  Setting up the memory is the BIOS' job.
>
> I'm sure the authors of the tools can use a hand in updating them if
> they are out of date.
>
> 	-hpa
>

To authors of /proc/cpuinfo:

Plz, fix stepping identification:

cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) XEON(TM) CPU 2.00GHz
stepping        : 4
cpu MHz         : 2000.062
cache size      : 512 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
bogomips        : 4006.39

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) XEON(TM) CPU 2.00GHz
stepping        : 4
cpu MHz         : 2000.062
cache size      : 512 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
bogomips        : 3999.80

processor       : 2
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) XEON(TM) CPU 2.00GHz
stepping        : 4
cpu MHz         : 2000.062
cache size      : 512 KB
physical id     : 3
siblings        : 2
core id         : 0
cpu cores       : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
bogomips        : 3999.98

processor       : 3
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) XEON(TM) CPU 2.00GHz
stepping        : 4
cpu MHz         : 2000.062
cache size      : 512 KB
physical id     : 3
siblings        : 2
core id         : 0
cpu cores       : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm
bogomips        : 4000.08

---------------------------------------------------------------------------
uname -a
Linux rau 2.6.15-gentoo-r1 #5 SMP PREEMPT Sat Jan 20 10:13:08 AMT 2007 
i686 Intel(R) XEON(TM) CPU 2.00GHz GenuineIntel GNU/Linux

---------------------------------------------------------------------------

There is NO "stepping 4" for XEON, as Intel site states!

Thank you in advance.
-
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