Re: [Xen-users] Unable to create guest with more than 2gb of memory

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Tue, 2015-10-06 at 21:42 -0400, Marc Tousignant wrote:
> I believe I have asked about this before, but never got a response back
> on how to fix it.
> The max memory when running 4.1 is 2048. Anything higher and the guest
> will not start.
> The error I get is
> xc: error: panic: xc_dom_boot.c:401: xc_dom_gnttab_hvm_seed: failed to
> add gnttab to physmap [errno=2]
> : Internal error
> libxl: error: libxl_dm.c:1499:device_model_spawn_outcome: domain 10
> device model: spawn failed (rc=-3)
> libxl: error: libxl_create.c:1322:domcreate_devmodel_started: device
> model did not start: -3
> libxl: error: libxl_dm.c:1603:kill_device_model: Device Model already
> exited
> libxl: info: libxl.c:1691:devices_destroy_cb: forked pid 10742 for
> destroy of domain 10
>  
> If I attempt to set the memory higher after running
>                 xl mem-set Server2012_1 2049

xl was preview quality in Xen 4.1, you should either upgrade to something
more recent (best option IMHO) or stick with xm in 4.1.

Note that Xen 4.1 no longer receives even security support.

Ian.



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