[Xen-users] [XCP] memory_dynamic_max bug

[George Shuklin <nge@xxxxxxxx>]

Bug exists at: 

XCP 0.1.1
XCP 0.5RC2,RC3
XCP 0.5

Bug description:

memory-actual of guest machine (PV) can not surpass value of
memory-dynamic-max at machine starttime, even if this value
(memory-dynamic-max have been raised after boot).

Steps to reproduce:

(on any PV guest VM)

xe vm-shutdown vm=test
xe vm-memory-static-range-set min=100MiB max=2GiB vm=test
xe vm-memory-dynamic-range-set min=100MiB max=500MiB vm=test
xe vm-start vm=test
(after booting)

name-label ( RW)            : test
         memory-actual ( RO): 524288000
     memory-static-max ( RW): 2147483648
    memory-dynamic-max ( RW): 524288000 (* let call it boot_max)
    memory-dynamic-min ( RW): 104857600
     memory-static-min ( RW): 104857600

xe vm-memory-dynamic-range set max=200MiB min=200MiB vm=test
(here all ok)
           power-state ( RO): running
         memory-actual ( RO): 209715200
     memory-static-max ( RW): 2147483648
    memory-dynamic-max ( RW): 209715200
    memory-dynamic-min ( RW): 209715200
     memory-static-min ( RW): 104857600


and here is a bug:
name-label ( RW)            : xv-acc1
           power-state ( RO): running
         memory-actual ( RO): 524288000
     memory-static-max ( RW): 2147483648
    memory-dynamic-max ( RW): 838860800
    memory-dynamic-min ( RW): 838860800
     memory-static-min ( RW): 104857600

we changed an memory-dynamic-max up to 800MiB, but memory-actual does
not overcome boot_max value, mentioned upper).

I check situation with dynamic-min but it work as expected - if I move
dynamic_min & dynamic_max below value of dynamic_min at boot time, it
move memory_actual  below boot time dynamic_min.





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