Re: [Xen-users] Dom0 Memory?

["Ian Tobin" <itobin@xxxxxxxxxxxxx>]

It does seem to be a bug as it didn't used to happen with xm

Thanks

Ian



-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxx] 
On Behalf Of Fajar A. Nugraha
Sent: 11 May 2012 10:36
To: Ian Campbell
Cc: xen-users@xxxxxxxxxxxxx
Subject: Re: [Xen-users] Dom0 Memory?

On Fri, May 11, 2012 at 3:27 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Fri, 2012-05-11 at 09:11 +0100, Ian Tobin wrote:

>> Xl info
>>
>> total_memory           : 15869
>> free_memory            : 13124


>> Now I create a new config file for VM2 and I set the RAM
>>
>> memory = 12288

>> libxl: error: libxl.c:2150:libxl_set_memory_target new target 0 for 
>> dom0 is below the minimum threshold
>>
>> failed to free memory for the domain
>>
>> Why it is trying to take memory from dom0??
>
> You need to set "autoballoon=0" in /etc/xen/xl.conf if you don't want 
> xl to automatically balloon dom0 down when starting a domain -- for 
> example if you use the dom0_mem option.
>
> Ian.

Isn't that a bug? Shouldn't xl try to use free_memory first, and only try to 
baloon-down memory from dom0 if it still needs more?

--
Fajar

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