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hi Israel
<br />
<br />i have the same problem in the past and the problem is not CentOS.
<br />
<br />in my case, i have an Intel Mobo with a 965 family chipset. I upgrade the BIOS and thats all, the problem is gone and everythin work so fine.
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<br />--
<br />
<br />
<br /><b>---------- Original Message
-----------</b>
<br />
From: <israel.garcia@cimex.com.cu>
<br />
To: <centos@centos.org>
<br />
Sent: Thu, 7 Aug 2008 11:30:52 -0500
<br />
Subject: [CentOS] CentOS5 running very slowly on a core 2 duo with 4 GB RAM
<br />
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Hi, I’ve installed CentOS5.2 on an INTEL Core 2 Duo
(Intel(R)
Core(TM)2 Duo CPU E6550 @ 2.33GHz), 4 GB RAM
(MemTotal:
4072176 kB) and my system gets sevarel minutes to startup, specially on
udev
daemon. Once the system is UP, every command I run gets 100% CPU and every
is
very slowly at the point yum –y update never ends. The system
installed
by default this kernel 2.6.18-53.el5PAE. I would like to know
what’s
wrong with my server. Do I have to install another kernel? Can you help
me?<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p>
</o:p></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">More details of my
server:<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p>
</o:p></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">[root@netreporter-test ~]# uname
-a<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Linux netreporter-test 2.6.18-53.el5PAE #1 SMP Mon Nov
12
02:55:09 EST 2007 i686 i686 i386
GNU/Linux<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p>
</o:p></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">[root@netreporter-test ~]# cat
/proc/cpuinfo<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">processor :
0<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">vendor_id :
GenuineIntel<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">cpu family :
6<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">model
:
15<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">model name :
Intel(R)
Core(TM)2 Duo CPU E6550 @
2.33GHz<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">stepping :
11<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">cpu MHz
:
2331.000<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">cache size : 4096
KB<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">physical id :
0<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">siblings :
2<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">core id :
0<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">cpu cores :
2<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">fdiv_bug :
no<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">hlt_bug :
no<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">f00f_bug :
no<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">coma_bug :
no<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">fpu
:
yes<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">fpu_exception :
yes<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">cpuid level :
10<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">wp
:
yes<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">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 pbe nx lm constant_tsc pni
monitor
ds_cpl vmx smx est tm2 cx16 xtpr
lahf_lm<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">bogomips :
4667.95<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">processor :
1<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">vendor_id :
GenuineIntel<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">cpu family :
6<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">model
:
15<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">model name :
Intel(R)
Core(TM)2 Duo CPU E6550 @
2.33GHz<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">stepping :
11<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">cpu MHz
:
2331.000<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">cache size : 4096
KB<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">physical id :
0<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">siblings :
2<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">core id :
1<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">cpu cores :
2<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">fdiv_bug :
no<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">hlt_bug :
no<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">f00f_bug :
no<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">coma_bug :
no<o:p /></span></font>
<br />> <font face="Arial" size="2"><span lang="ES" style="font-size: 10pt; font-family: Arial;">fpu
:
yes<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">fpu_exception :
yes<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">cpuid level :
10<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">wp
:
yes<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">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 pbe nx lm constant_tsc pni
monitor
ds_cpl vmx smx est tm2 cx16 xtpr
lahf_lm<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">bogomips :
4665.47<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p>
</o:p></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">[root@netreporter-test ~]# cat
/proc/meminfo<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">MemTotal: 4072176
kB<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">MemFree: 3871428
kB<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Buffers:
14224
kB<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Cached:
145872
kB<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p>
</o:p></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Thanks in
advance<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Israel.<o:p /></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p>
</o:p></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p>
</o:p></span></font>
<br />> <font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p>
</o:p></span></font>
<br /><b>------- End of Original Message
-------</b>
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