Re: 'Device not ready' issue on mpt2sas since 3.1.10

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Hello,

On Wed, Jul 11, 2012 at 03:48:00PM +0200, Matthias Prager wrote:
> I just tested kernel version 3.4.4 without commit
> 85ef06d1d252f6a2e73b678591ab71caad4667bb and it also works fine (beware
> of commit 62d3c5439c534b0e6c653fc63e6d8c67be3a57b1 as it conflicts with
> reverting 85ef06d1d252f6a2e73b678591ab71caad4667bb).
> 
> I'm trying to understand why this commit leads to the issue of i/o
> failing on spun down drives, in hopes of being able to fix it. Meanwhile
> maybe Tejun Heo (author of the commit) or Jens Axboe (the committer) are
> able to shed some light on this (I've included them in the CC list).

Nothing rings a bell for me.  How does it fail?  The only thing it
change is when and which media check commands are issued.

Thanks.

-- 
tejun
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