linux-kernel - RE: mpt2sas regression: can not add disk...

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Date:	Fri, 9 Dec 2011 20:26:57 +0530
From:	"Desai, Kashyap" <Kashyap.Desai@....com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	"Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@....com>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"linux-scsi-owner@...r.kernel.org" <linux-scsi-owner@...r.kernel.org>,
	"James Bottomley" <jejb@...nel.org>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: RE: mpt2sas regression: can not add disk...



> -----Original Message-----
> From: yhlu.kernel@...il.com [mailto:yhlu.kernel@...il.com] On Behalf Of
> Yinghai Lu
> Sent: Friday, December 09, 2011 2:40 AM
> To: Desai, Kashyap
> Cc: Nandigama, Nagalakshmi; James Bottomley; Rafael J. Wysocki; linux-
> scsi-owner@...r.kernel.org; James Bottomley; linux-scsi@...r.kernel.org;
> Linux Kernel Mailing List
> Subject: Re: mpt2sas regression: can not add disk...
> 
> On Thu, Dec 8, 2011 at 5:30 AM, Desai, Kashyap <Kashyap.Desai@....com>
> wrote:
> > Yinghai,
> >
> > Please try attached patch. This must be on top of latest upstream
> code.
> > When we have introduced fast load, scan of devices are happening from
> thread context.
> >
> > But currently we have not removed " _scsih_probe_devices(ioc);" call
> from actual probe and it is getting called from multiple places.
> > As a result, we end-up into this issue.
> >
> > Please try the attached patch and provide your feedback. Based upon
> your result, we will post this patch to upstream.
> 
> Yes.  The attaced patch fix the problem. the disk that is attached to
> the mpt2sas card is showing up in OS.

Thanks for the test report. LSI will post this patch to upstream. 

` Kashyap

> 
> Thanks
> 
> Yinghai Lu
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