[Xen-devel] dom0 hang when "xm mem-set 0 16"

["Zheng, Jeff" <jeff.zheng@xxxxxxxxx>]

I input "xm mem-set 0 16" and then dom0 hang. The serial output is:
###############################################
(XEN) microcode: No new microcode data for CPU1
(XEN) microcode: No new microcode data for CPU2
IA-32 Microcode Update Driver v1.14-xen unregistered
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
Kernel panic - not syncing: Out of memory and no killable processes...
###############################################

It's possible that administrator wants to "xm mem-set 0 160" but
actually input "xm mem-set 0 16", and then dom0 hangs. Any method to
avoid it?

Bests
Jeff

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