[Xen-users] dom0 incorrect mem size

["Robbie Garertt" <rgarrett@xxxxxxxxxxxxxx>]

Hey all,

 

just compiled xen 3.4.2 and linux 2.6.31.12.  I followed the instructions on the Xen wiki to get the install running.

 

my issue here is that in my grub memnu config i set dom0_mem=512M

when i login to the dom0 and i do a free -m i get that the system only has 432 under the total section.

 

booting into the stock debian kernel 2.6.26-2-amd64 kernel gives me 8192 free memory for i did not limit that.

when i run xm info |grep memory under the xen kernel I get the following.

total_memory           : 8191
free_memory            : 7578
node_to_memory         : node0:7578

 

the server only has 8gb of memory installed which is confirmed via the system bios.

 

is there anyway to figure out what is going on here?

 

 

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