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

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Message-ID: <20150523113148.00002dfc@localhost>
Date:	Sat, 23 May 2015 11:31:48 +0200
From:	Sebastian Herbszt <herbszt@....de>
To:	"James E . J . Bottomley" <JBottomley@...n.com>
Cc:	Alexey Kardashevskiy <aik@...abs.ru>, james.smart@...lex.com,
	linuxppc-dev@...ts.ozlabs.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>, 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.")

I wrote:
> 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

James,

are you sending this revert to Linus any time soon?

Support for SLI-3 adapters is broken on all platforms for more than
a month now [1] and POWER7 doesn't seem to like it at all [2].

[1] http://marc.info/?l=linux-scsi&m=142938432414173
[2] http://marc.info/?l=linux-scsi&m=143021737816241

Sebastian
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