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Hi everyone,
I need some help with a major problem I'm having.
Just purchased a new pc with an amd phenom triple-core. On boot, I get an error message that says: "CPU #1 not responding. Cannot use it."
The output of cat /proc/cpuinfo is this:
processor : 0
vendor_id : AuthenticAMD
cpu family : 16
model : 2
model name : AMD Phenom(tm) 8400 Triple-Core Processor
stepping : 2
cpu MHz : 2094.851
cache size : 512 KB
physical id : 0
siblings : 1
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 : 5
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 pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs ts ttp tm stc 100mhzsteps hwpstate
bogomips : 4194.29
clflush size : 64
and the output of uname -a is this:
Linux myhost 2.6.25-ARCH #1 SMP PREEMPT Sat Jun 14 18:07:19 CEST 2008 i686 AMD Phenom(tm) 8400 Triple-Core Processor AuthenticAMD GNU/Linux
There doesn't seem to have much info on the web about my particular hardware on linux so I am at a loss here. Does anyone have a clue as to how I could go about using all of my hardware?
By the way, same problem on Ubuntu, but windows sees all three cores just fine.
Thanks a lot for your time!
Vincent
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Fixed by installing a 64 distro...
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This thread comes up on google and I saw a reference to it on another forum so here is an update:
All three cores are now recognized, even in arch 686
I assume that the main difference is the new kernel.
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