Re: [Xen-devel] dom0 not seeing all of the assigned memory

[Brian Szymanski <skibrianski@xxxxxxxxx>]

I'm having this problem in a vanillla debian squeeze install, too:

ski@xen:~$ dpkg -l | grep -e linux-image -e hypervisor | grep xen
ii  linux-image-2.6.32-5-xen-amd64          2.6.32-41squeeze2           
Linux 2.6.32 for 64-bit PCs, Xen dom0 support
ii  linux-image-xen-amd64                   2.6.32+29                   
Linux for 64-bit PCs (meta-package), Xen dom0 support
ii  xen-hypervisor-4.0-amd64                4.0.1-4                      The
Xen Hypervisor on AMD64

ski@xen:~$ free -m
             total       used       free     shared    buffers     cached
Mem:          4373       2478       1895          0         16         79
-/+ buffers/cache:       2382       1991
Swap:         3814          0       3814

ski@xen:~$ sudo xm info
host                   : xen.allafrica.com
release                : 2.6.32-5-xen-amd64
version                : #1 SMP Thu Mar 22 21:14:26 UTC 2012
machine                : x86_64
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2493
hw_caps                :
bfebfbff:20100800:00000000:00000940:000ce3bd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 32762
free_memory            : 29280
node_to_cpu            : node0:0-7
node_to_memory         : node0:29280
node_to_dma32_mem      : node0:1974
max_node_id            : 0
xen_major              : 4
xen_minor              : 0
xen_extra              : .1
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
hvm-3.0-x86_32p hvm-3.0-x86_64 
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : placeholder com1=57600,8n1,0x2f8,3 console=com1,vga
loglvl=all guest_loglvl=all dom0_mem=max:6144M
cc_compiler            : gcc version 4.4.5 (Debian 4.4.5-8) 
cc_compile_by          : waldi
cc_compile_domain      : debian.org
cc_compile_date        : Thu Jun  9 18:38:03 UTC 2011
xend_config_format     : 4

Cheers.


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