WARN @lib/refcount.c:128 during hot unplug of I/O adapter.

[Sachin Sant]

> On 07-Apr-2017, at 2:14 AM, Tyrel Datwyler <tyreld at linux.vnet.ibm.com> wrote:
> 
> On 04/06/2017 03:27 AM, Sachin Sant wrote:
>> On a POWER8 LPAR running 4.11.0-rc5, a hot unplug operation on
>> any I/O adapter results in the following warning
> 
> I remember you mentioning this when the issue was brought up for CPUs. I
> assume the case is the same here where the issue is only seen with
> adapters that were hot-added after boot (ie. hot-remove of adapter
> present at boot doesn't trip the warning)?
> 

Correct, can be recreated only with adapters that were hot-added after boot.

> -Tyrel
> 
>> 
>> Thanks
>> -Sachin
>> 
>> 
>