Re: [Qemu-devel] [PATCH 03/11] pc: check if KVM has enough memory slots for DIMM devices

[Paolo Bonzini]

On 04/11/2014 17:14, Igor Mammedov wrote:
>> > Note that option ROM BARs (which are usually mapped only by firmware,
>> > but also when accessed via sysfs) and device assignment both consume
>> > memory slots.  Slots occupied by pflash can also come and go, depending
>> > on whether the flash is visible as ROM or in programming mode.
> Then there is a bigger problem, once KVM slots are saturated QEMU will crash
> if one of above actions from guest happens, and we can't even error out on 
> them.

Yes.  I wish I had a better idea than checking for free memslots
manually in all of them.

Paolo