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

  • To: <xen-users@xxxxxxxxxxxxx>
  • From: "Marc Tousignant" <myrdhn@xxxxxxxxx>
  • Date: Tue, 6 Oct 2015 21:42:07 -0400
  • Delivery-date: Wed, 07 Oct 2015 01:43:23 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>
  • Thread-index: AdEAoIJYHpNInIzHTZy7cO6EGEhhgw==

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

I get the response

                libxl: error: libxl.c:4824:libxl_set_memory_target: memory_dynamic_max must be less than or equal to memory_static_max


I do not knowingly have a max memory set anywhere. Even when I set mem-max up to 4096 I cannot set mem-set higher than 2048.


When running 3.x I was able to set the memory higher without issue.

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