linux-kernel - Re: aacraid: kernel: AAC: Host adapter dead -1 (bisected)

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Date:   Tue, 17 Jan 2017 19:31:23 +0100
From:   Arkadiusz Miskiewicz <a.miskiewicz@...il.com>
To:     Dave Carroll <david.carroll@...rosemi.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Raghava Aditya Renukunta 
        <RaghavaAditya.Renukunta@...rosemi.com>,
        "Johannes Thumshirn" <jthumshirn@...e.de>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        "dl-esc-Aacraid Linux Driver" <aacraid@...rosemi.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
Subject: Re: aacraid:  kernel: AAC: Host adapter dead -1 (bisected)

On Tuesday 17 of January 2017, Dave Carroll wrote:
> > Hi.
> > 
> > There is a bug with handling of adaptec raid cards (in my case it is
> > Adaptec 3405) where kernel logs hundreds of "AAC: Host adapter dead -1"
> > messages.
> > 
> > Bug was reported previously on lkml but there was no progres in solving
> > it.
> > 
> > There is also bugzilla entry:
> > https://bugzilla.kernel.org/show_bug.cgi?id=151661
> > 
> > I've bisected that to commit bellow and indeed, reverting it from kernel
> > 4.9.3 makes messages go away.
> > 
> > Could anyone at microsemi look at this regression?
> > 
> > Thanks
> 
> Hi Arkadiusz,
> 
> Thanks for your effort in determining the cause of the issue. It makes
> sense now that the patch should have been included in controller specific
> code, rather than common code.
> 
> I will prepare a patch for this, and if you are willing to test it, that
> would be great!

Great!

I have dedicated machine for testing this, so yes - I'll test.

-- 
Arkadiusz Miśkiewicz, arekm / ( maven.pl | pld-linux.org )