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Old 11-27-2003, 10:49 PM   #1
syx
LQ Newbie
 
Registered: Dec 2001
Distribution: SlackWare 9.1
Posts: 14

Rep: Reputation: 0
Is my Linux running 64bits? (Athlon64)


Hey guys,

I am using the AMD Athlon64 cpu and just built a kernel using 2.4.23-rc5 which has support for AMD64 (x86_64 K8) I have enabled the CONFIG_MK8 option in the Kernel and everything is fine, the box is performing OK.

My problem is;
How do I know it is running 64bits?
I know most, if not all apps are running 32 or 16bits but what about the OS? How can I check that?
Is there a tool or command?

dmesg and lspci show that the CPU is recognized but it does not tell me anything else.

Best regards,
Sebastien
 
Old 11-28-2003, 12:31 AM   #2
mipia
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Registered: May 2003
Location: lake michigan
Distribution: Debian, Mint, Slackware
Posts: 457

Rep: Reputation: 35
Honestly dont know. Thats why I am in no hurry to look into 64 bit technology yet. No use for it. I mean c'mon, if you cant tell if its running or not.....
 
Old 11-28-2003, 07:47 AM   #3
jonh_doe_linux
LQ Newbie
 
Registered: Sep 2003
Location: Tuxcity, Brazil
Posts: 20

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hi friend,

in your console type
cat /proc/cpuinfo

e bring this command exit for us see and say anything about

all right ?
 
Old 11-28-2003, 12:02 PM   #4
syx
LQ Newbie
 
Registered: Dec 2001
Distribution: SlackWare 9.1
Posts: 14

Original Poster
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Here you go John,

processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 4
model name : AMD Athlon(tm) 64 Processor 3200+
stepping : 8
cpu MHz : 1994.869
cache size : 1024 KB
fdiv_bug : no
hlt_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 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall mmxext lm 3dnowext 3dnow
bogomips : 3984.58

Good thing I enabled proc fs in the kernel
 
Old 11-28-2003, 08:09 PM   #5
jonh_doe_linux
LQ Newbie
 
Registered: Sep 2003
Location: Tuxcity, Brazil
Posts: 20

Rep: Reputation: 0
hey enable in your BIOS inicialization of your motherboard 64bit mode and try to boot Linux, with work, there is working at 64 bit
 
  


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