Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"

Brian King
2017-08-17T17:40:47Z

On 08/17/2017 11:45 AM, Martin K. Petersen wrote:
>
> Bart,
>
>> I think this means that the ipr fix went upstream before it ended up in
>> linux-next.
>
> OK.
>
> Brian: Please make sure you test with your ipr change in place as well
> as Bart's patch. And then report back.

They are separate issues. The ipr fix that is now upstream is for a
locking issue in ipr. The boot hang issue is a separate issue. I
can reproduce the boot hang on a system with my ipr patch. I've
confirmed it goes away when reverting Bart's patch but it makes
no sense as of yet as to why.

-Brian

--
Brian King
Power Linux I/O
IBM Linux Technology Center