From: "Miller, Mike (OS Dev)" <Mike.Miller@hp.com>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
CC: "scameron@beardog.cca.cpqcorp.net" <scameron@beardog.cca.cpqcorp.net>,
       "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
       "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Date: Fri, 8 Aug 2008 15:32:02 +0000
Subject: RE: HP (Compaq) Smart Array 5xxx controller SCSI driver
Thread-Topic: HP (Compaq) Smart Array 5xxx controller SCSI driver
Thread-Index: Acj48/M9DeAHCT4RTcikDdQNDepA5wAd9Iyw
Message-ID: <0F5B06BAB751E047AB5C87D1F77A778826B3F6C3CA@GVW0547EXC.americas.hpqcorp.net>
References: <0F5B06BAB751E047AB5C87D1F77A778826B3DD7474@GVW0547EXC.americas.hpqcorp.net>
	<20080725000638Q.fujita.tomonori@lab.ntt.co.jp>
	<0F5B06BAB751E047AB5C87D1F77A778826B3F6BF4C@GVW0547EXC.americas.hpqcorp.net>
 <20080808100748M.fujita.tomonori@lab.ntt.co.jp>
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> -----Original Message-----
> From: FUJITA Tomonori [mailto:fujita.tomonori@lab.ntt.co.jp]
> Sent: Thursday, August 07, 2008 8:08 PM
> To: Miller, Mike (OS Dev)
> Cc: fujita.tomonori@lab.ntt.co.jp;
> scameron@beardog.cca.cpqcorp.net;
> linux-kernel@vger.kernel.org; linux-scsi@vger.kernel.org
> Subject: RE: HP (Compaq) Smart Array 5xxx controller SCSI driver
>
> On Thu, 7 Aug 2008 19:04:54 +0000
> "Miller, Mike (OS Dev)" <Mike.Miller@hp.com> wrote:
>
> >
> >
> > > -----Original Message-----
> > > From: FUJITA Tomonori [mailto:fujita.tomonori@lab.ntt.co.jp]
> > > Sent: Thursday, July 24, 2008 10:07 AM
> > > To: Miller, Mike (OS Dev)
> > > Cc: fujita.tomonori@lab.ntt.co.jp;
> > > scameron@beardog.cca.cpqcorp.net;
> > > linux-kernel@vger.kernel.org; linux-scsi@vger.kernel.org
> > > Subject: RE: HP (Compaq) Smart Array 5xxx controller SCSI driver
> > >
> > > On Thu, 24 Jul 2008 15:00:00 +0000
> > > "Miller, Mike (OS Dev)" <Mike.Miller@hp.com> wrote:
> > >
> > > >
> > > > > > As for the patches I mentioned which were previously
> > > ignored for
> > > > > > improving how the current cciss SCSI code handled hot
> > > plogging, if
> > > > > > you're curious about that, check here:
> > > > > >
> > > > > > http://marc.info/?l=linux-scsi&m=120213565000426&w=4
> > > > > >
> > > > > > A change like that becomes more important if logical drives
> > > > > > are exposed through the scsi layer.
> > > > >
> > > > > We need to think about the best way to map (expose)
> logical and
> > > > > physical drivers to SCSI luns. As I wrote before, I'm
> > > interested in
> > > > > how HP SCSI driver does.
> > > >
> > > > We don't neccesarily want or need to expose the physical
> > > disks. The only exception is disks that are not part of a logical
> > > volume. If the disks are part of a logical volume but exposed the
> > > user may shoot themselves in the foot by destroying the firmware
> > > metadata.
> > >
> > > Oops, sorry, I meant physical tape drives.
> > >
> >
> > Tomo,
> > I patched your driver into the 2.6.27-rc1 kernel. After
> compiling the driver I get:
> >
> > [root@testmonkey linux-2.6]# insmod drivers/scsi/ciss.ko
> > insmod: error inserting 'drivers/scsi/ciss.ko': -1 Invalid module
> > format
>
> You can get an error message here from `dmseg`, I think.
>
>
> > [root@testmonkey linux-2.6]# gcc --version gcc (GCC) 4.1.2 20071124
> > (Red Hat 4.1.2-42)
> >
> > [root@testmonkey linux-2.6]# uname -r
> > 2.6.26
> >
> > I built inside the tree. Any thoughts?
>
> Seems that you try to do insmod a module built for 2.6.27-rc1
> into 2.6.26?

Duh. Well that was pretty stupid.
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