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[Xen-users] total_memory incorrect

from [feiyuw]

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Subject:	[Xen-users] total_memory incorrect
From:	feiyuw <feiyuw@xxxxxxxxx>
Date:	Wed, 23 Feb 2011 18:45:22 -0800 (PST)
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Hi all,

I have a HP server running CentOS 5.5 32Bit, recently I upgraded its memory
to 32G, and in kernal without xen, the memory show right:

[root@localhost ~]# free -m
             total       used       free     shared    buffers     cached
Mem:         32492        394      32098          0         23        284
-/+ buffers/cache:         87      32405
Swap:        10236          0      10236

But if use xen kernel (3.0.3) , xm info shows the wrong memory:

[root@localhost ~]# xm info
host                   : localhost.localdomain
release                : 2.6.18-194.el5xen
version                : #1 SMP Fri Apr 2 16:16:54 EDT 2010
machine                : i686
nr_cpus                : 12
nr_nodes               : 1
sockets_per_node       : 1
cores_per_socket       : 6
threads_per_core       : 2
cpu_mhz                : 2932
hw_caps                :
bfebfbff:2c100000:00000000:00000140:029ee3ff:00000000:00000001
total_memory           : 15861
free_memory            : 383


Should I reinstall the system and use 64Bit kernel, or have better solution?

Thanks!
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