linux-kernel - Re: [PATCH kernel] commit 4fbdf9cb ("lpfc: Fix for lun discovery issue with saturn adapter.")

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Date:	Fri, 22 May 2015 13:33:34 +0200
From:	Sebastian Herbszt <herbszt@....de>
To:	Alexey Kardashevskiy <aik@...abs.ru>
Cc:	james.smart@...lex.com, linuxppc-dev@...ts.ozlabs.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	"James E . J . Bottomley" <JBottomley@...n.com>,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Sebastian Herbszt <herbszt@....de>
Subject: Re: [PATCH kernel] commit 4fbdf9cb ("lpfc: Fix for lun discovery
 issue with saturn adapter.")

Alexey Kardashevskiy wrote:
> On 05/06/2015 07:46 AM, Sebastian Herbszt wrote:
> > James Smart wrote:
> >>
> >> Reviewed-By: James Smart <james.smart@...lex.com>
> >>
> >>
> >> Alexey, Sebastian,
> >>
> >> Yes - this section needs to be reverted.  This patch is good.
> >>
> >> -- james s
> >
> > Reviewed-by: Sebastian Herbszt <herbszt@....de>
> 
> 
> Unfortunately, just this revert is not enough, it fixed one of my machines 
> but I have another machine with "Emulex Corporation Saturn-X: LightPulse 
> Fibre Channel Host Adapter (rev 03)" which does not boot - the booting 
> process stops at "[  OK  ] Reached target Basic System."
> 
> Any quick idea what else to revert between 4.0 and current upstream before 
> I dig further? Thanks!

Is the other machine also POWER7?
I tested the revert on x86 and it fixed my issue:

4.1-rc4 (lpfc 10.5.0.0) - broken
4.0 + lpfc 10.5.0.0 - broken
4.1-rc4 (lpfc 10.5.0.0) + revert - ok
4.0 + lpfc 10.5.0.0 + revert - ok

Sebastian
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