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October 2008

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Subject:
2Gb Memory lost on SL 5.2
From:
"Salamanka A. Serge" <[log in to unmask]>
Reply To:
Salamanka A. Serge
Date:
Fri, 3 Oct 2008 12:42:44 +0300
Content-Type:
multipart/signed
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Dear SL users and developers,

You might have encountered such a problem before:

On SL5.2 server 4 Gb ROM (2 slots 2Gb each)
After reboot the memory of 4 Gb is available for the OS. But after some 
time 2 Gb are disappearing and only the other 2Gb are left for usage.
[root@xeon3 ~]# free
              total       used       free     shared    buffers     cached
Mem:       1968128    1956916      11212          0       9812    1594676
-/+ buffers/cache:     352428    1615700
Swap:      8388576        148    8388428
[root@xeon3 ~]#


In /var/log/messages I can see only these lines with the word "memory":

Oct  2 16:19:34 xeon3 kernel: Memory: 3808892k/3973376k available (2417k 
kernel code, 155608k reserved, 1350k data, 176k init)
Oct  2 16:19:34 xeon3 kernel: Non-volatile memory driver v1.2

[root@xeon3 ~]# uname -a
Linux xeon3.xxx.xx 2.6.18-92.1.10.el5xen #1 SMP Mon Aug 4 14:53:04 EDT 
2008 x86_64 x86_64 x86_64 GNU/Linux

Does anyone have any ideas what could be the reason for such a memory lost ?

Thank you
Serge

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