Re: [Xen-devel] Claim mode and HVM PoD interact badly

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

create ^
owner Wei Liu <wei.liu2@xxxxxxxxxx>
thanks

On Fri, 2014-01-10 at 11:56 +0000, Wei Liu wrote:
> When I have following configuration in HVM config file:
>   memory=128
>   maxmem=256
> and have claim_mode=1 in /etc/xen/xl.conf, xl create fails with
> 
> xc: error: Could not allocate memory for HVM guest as we cannot claim memory! 
> (22 = Invalid argument): Internal error
> libxl: error: libxl_dom.c:647:libxl__build_hvm: hvm building failed
> libxl: error: libxl_create.c:1000:domcreate_rebuild_done: cannot (re-)build 
> domain: -3
> libxl: error: libxl_dm.c:1467:kill_device_model: unable to find device model 
> pid in /local/domain/82/image/device-model-pid
> libxl: error: libxl.c:1425:libxl__destroy_domid: libxl__destroy_device_model 
> failed for 82
> 
> With claim_mode=0, I can sucessfuly create HVM guest.

Is it trying to claim 256M instead of 128M? (although the likelyhood
that you only have 128-255M free is quite low, or are you
autoballooning?)

Ian.


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