Re: [Xen-devel] RFE: Detect NUMA misconfigurations and prevent machine freezes

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 29.08.18 at 07:33, <netwiz@xxxxxxxxx> wrote:
> When playing with NUMA support recently, I noticed a host would always hang 
> when trying to create a cpupool for the second NUMA node in the system.
> 
> I was using the following commands:
> # xl cpupool-create name=\"Pool-1\" sched=\"credit2\
> # xl cpupool-cpu-remove Pool-0 node:1
> # xl cpupool-cpu-add Pool-1 node:1
> 
> After the last command, the system would hang - requiring a hard reset of the 
> machine to fix.

Yeah, as Jürgen says - we need to get to the bottom of this,
instead of trying to cure just the symptom.

Jan


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