linux-kernel - Re: [SCSI REGRESSION] 3.10.2 or 3.10.3: arcmsr failure at bootup / early userspace transition

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Message-ID: <877gg7n3rc.fsf@spindle.srvr.nix>
Date:	Tue, 30 Jul 2013 22:20:55 +0100
From:	Nix <nix@...eri.org.uk>
To:	Bernd Schubert <bernd.schubert@...tmail.fm>
Cc:	Douglas Gilbert <dgilbert@...erlog.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-scsi@...r.kernel.org,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	nick.cheng@...ca.com.tw, stable@...r.kernel.org
Subject: Re: [SCSI REGRESSION] 3.10.2 or 3.10.3: arcmsr failure at bootup / early userspace transition

On 30 Jul 2013, Bernd Schubert told this:

> On 07/30/2013 02:56 AM, Nix wrote:
>> On 30 Jul 2013, Douglas Gilbert outgrape:
>>
>>> Please supply the information that Martin Petersen asked
>>> for.
>>
>> Did it in private IRC (the advantage of working for the same division of
>> the same company!)
>>
>> I didn't realise the original fix was actually implemented to allow
>> Bernd, with a different Areca controller, to boot... obviously, in that
>> situation, reversion is wrong, since that would just replace one won't-
>> boot situation with another.
>
> Unless there is very simple fix the commit should reverted, imho. It
> would better then to remove write-same support from the md-layer.

I'm not using md on that machine, just LVM. Our suspicion is that ext4
is doing a WRITE SAME for some reason.

-- 
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