[Xen-users] Xl mem-max does nothing

[Nerilaunt <nerilaunt@xxxxxxxxx>]

Hello,

Today we updated one of our Dom0 from Xen 4.1 (xm) to Xen 4.4 (xl).

Everything seems good, exept DomU max memory setting.

With xm, we had in DomU .cfg :

  maxmem = 256
  memory = 256

And we could change it live with

  xm mem-max vmname 512
  xm mem-set vmname 512

Worked like a charm.

Now with xl, same DomU .cfg,

  xl mem-max vmname 512

does nothing (but gives no error) and, of course,

  xl mem-set vmname 512

give an error (libxl: error: libxl.c:4097:libxl_set_memory_target:
memory_dynamic_max must be less than or equal to memory_static_max).

The DomU is the same as before, and both Dom0 and DomU kernels are up
to date (3.15.6) with memory hotplug and memory ballooning compiled
in.

Is it a known error/xl regression/"feature", or is it supposed to work
with xl like xm ?

Tanks,

Neri

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