Trouble with LSI SAS1078

[Slawa Olhovchenkov]

On Mon, Jan 30, 2012 at 06:49:03PM +0100, Marius Strobl wrote:

> On Mon, Jan 30, 2012 at 07:25:55PM +0400, Slawa Olhovchenkov wrote:
> > I found PR kern/134520 and discursion in -scsi at 2010-05-01.
> > I have same trouble for 9.0-RELEASE and Intel SR2600URLXR.
> > 
> > Matthew Jacob (currently not working on mpt) wrote "I have this
> > chassis and it seems to work okay for me".
> > 
> > I think difference in AXXRAKSAS2 -- working system have full RAID
> > support, system with "unable to map registers in PIO mode" -- lost
> > RAID support.
> > 
> > Can somebody modify driver for support this configuration?
> 
> Could you please provide the mpt-bits of a verbose dmesg of that
> board?

As I see in mpt_pci.c all mpt-bits don't exist because after

===
mpt0: <LSILogic SAS/SATA Adapter> port 0x1000-0x10ff mem 0xb1940000-0xb1943fff,0xb1900000-0xb193ffff irq 16 at device 0.0 on pci13
mpt0: unable to map registers in PIO mode
===

mpt_pci_attach immediately failed.