Bug 199426

Summary: AMD FX-60 is not recognized as dual core
Product: [Fedora] Fedora Reporter: Frode Tennebø <frodet>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED NOTABUG QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 5CC: wtogami
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2006-07-21 07:46:37 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Frode Tennebø 2006-07-19 14:32:42 UTC 
Description of problem:

I just installed a brand new AMD FX-60 for my ASAU A8N-SLI Deluxe MB.  The CPU 
works fin, but is "Unknown" and is not reported as a dual core.


Version-Release number of selected component (if applicable):

[root@rsh ~]# rpm -q kernel
kernel-2.6.15-1.2054_FC5
kernel-2.6.17-1.2157_FC5

(both act the same)

How reproducible:
Always.

Steps to Reproduce:
1. boot
2. cat /proc/cpuinfo
  
Actual results:

[root@rsh ~]# cat /proc/cpuinfo 
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 35
model name      : AMD Hammer Family processor - Model Unknown
stepping        : 2
cpu MHz         : 2613.434
cache size      : 1024 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov 
pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt lm 3dnowext 
3dnow pni lahf_lm
bogomips        : 5229.97
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp

Expected results:

That it would recognize my AMD FX-60 and bring up both CPUs.

Additional info:
[root@rsh ~]# uname -a
Linux rsh 2.6.17-1.2157_FC5 #1 SMP Tue Jul 11 22:53:56 EDT 2006 x86_64 x86_64 
x86_64 GNU/Linux
Comment 1 Frode Tennebø 2006-07-19 14:34:54 UTC 
*** Bug 199420 has been marked as a duplicate of this bug. ***
Comment 2 Frode Tennebø 2006-07-19 14:35:51 UTC 
*** Bug 199422 has been marked as a duplicate of this bug. ***
Comment 3 Frode Tennebø 2006-07-19 14:36:25 UTC 
*** Bug 199423 has been marked as a duplicate of this bug. ***
Comment 4 Frode Tennebø 2006-07-19 14:38:37 UTC 
*** Bug 199425 has been marked as a duplicate of this bug. ***
Comment 5 Frode Tennebø 2006-07-21 07:46:37 UTC 
Sorry for the multiple posts (apparently a bug in Opera?) and for bothering you 
at all.  After upgrading the BIOS everything now works as expected:

[root@rsh ~]# cat /proc/cpuinfo 
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 35
model name      : AMD Athlon(tm) 64 FX-60 Dual Core Processor 
stepping        : 2
cpu MHz         : 1200.000
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov 
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 
3dnow pni lahf_lm cmp_legacy
bogomips        : 2414.21
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 35
model name      : AMD Athlon(tm) 64 FX-60 Dual Core Processor 
stepping        : 2
cpu MHz         : 1200.000
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov 
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 
3dnow pni lahf_lm cmp_legacy
bogomips        : 2414.21
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp