linux-kernel - Re: [REGRESSION][v4.13.y][v4.14.y] scsi: libsas: allow async aborts

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Message-ID: <100fda00-3da4-1bf1-eaf2-fc0b4fb4fe37@suse.de>
Date:   Fri, 17 Nov 2017 15:09:37 +0100
From:   Hannes Reinecke <hare@...e.de>
To:     Joseph Salisbury <joseph.salisbury@...onical.com>, hch@....de
Cc:     jejb@...ux.vnet.ibm.com, martin.petersen@...cle.com,
        jthumshirn@...e.de, bart.vanassche@....com,
        bblock@...ux.vnet.ibm.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, jth@...nel.org,
        stable@...r.kernel.org, gregkh@...uxfoundation.org,
        1726519@...s.launchpad.net
Subject: Re: [REGRESSION][v4.13.y][v4.14.y] scsi: libsas: allow async aborts

On 11/16/2017 11:08 PM, Joseph Salisbury wrote:
> Hi Christoph,
> 
> A kernel bug report was opened against Ubuntu [0].  After a kernel
> bisect, it was found that reverting the following commit resolved this bug:
> 
> 909657615d9b ("scsi: libsas: allow async aborts")
> 
>      
> The regression was introduced as of v4.12-rc1, and it still exists in
> 4.14 mainline.
> 
> I was hoping to get your feedback, since you are the patch author.  Do
> you think gathering any additional data will help diagnose this issue,
> or would it be best to submit a revert request?
> 
I'll be checking what's going on there.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@...e.de			               +49 911 74053 688
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