Bug 25839 - cat /proc/cpuinfo shows AMD on Intel CPU with IBM ThinkPad T21
cat /proc/cpuinfo shows AMD on Intel CPU with IBM ThinkPad T21
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Michael K. Johnson
Brock Organ
Depends On:
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Reported: 2001-02-02 23:42 EST by Scott Russell
Modified: 2007-04-18 12:31 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2001-02-02 23:42:06 EST
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Description Scott Russell 2001-02-02 23:42:03 EST
From Bugzilla Helper:
User-Agent: Mozilla/4.76 [en] (X11; U; Linux 2.4.0-0.99.11 i686)

IBM ThinkPad T21 using Fisher. CPU is 800Mhz Intel with speed step. With
thinkpad unpluged (cpu running in reduced mode, 400Mhz) boot RHL. dmesg
shows CPU at 700Mhz. cat /proc/info shows AMD cpu info for Intel CPU:

processor	: 0
vendor_id	: AuthenticAMD
cpu family	: 6
model		: 2
model name	: AMD Athlon(tm) Processor
stepping	: 1
cpu MHz		: 700.054
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
sep_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 1
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36
mmxext mmx fxsr 3dnowext 3dnow
bogomips	: 1395.91

Reproducible: Always
Steps to Reproduce:
1. Boot RHL Fisher on IBM T21 while system is running on battery
2. run dmesg | less and note CPU infos
3. run cat /proc/cpuinfo and note CPU infos

Actual Results:  See above description

Expected Results:  Expected to see Intel CPU info.

Programs that query the CPU for features (3dnow vs mmx for example) may
Comment 1 Scott Russell 2001-02-02 23:49:20 EST
I have been smoking to much purple crack. After I came down from my high I
realized that it is not possible to cross breed a mouse and moose. I also
discovered that the above bug report I entered is a complet lie. Please close
this and list my name in the hall of shame. Thanks.

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