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Subject: Re: promise sx8 sata driver
From: Kallol Biswas <kallol@nucleodyne.com> Reply-To: kallol@nucleodyne.com To: Jeff Garzik <jgarzik@pobox.com> Cc: Chris Haumesser <chris@mail-test.us>, linux-kernel@vger.kernel.org In-Reply-To: <42925F7F.2000809@pobox.com>
References: <42924E38.7070003@mail-test.us> <42925F7F.2000809@pobox.com>
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Organization: NucleoDyne Systems Inc.
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Date: 23 May 2005 23:16:03 -0700
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How good is 2.6.6 carmel.c driver for sx8 adapters? Does it support the promise adapter? Why have you developed sx8.c?
On Mon, 2005-05-23 at 15:55, Jeff Garzik wrote: > Chris Haumesser wrote: > > The sx8 driver does not use libata, and it is a separate block device, > > outside of the scsi and ata hierarchies. If I compile the driver into > > my kernel, I end up with /dev/sx8/0 and /dev/sx8/0p1, etc. However, no > > scsi disk devices are created, and grub does not recognize that > > /dev/sx8/ devices are disks. There's no indication in /proc/scsi/ that > > they are being registered with the scsi subsystem; this is clearly > > different from every other sata controller I've used. I've been > > googling this for days, with no real luck. I have found changelogs for > > grub that suggest that my version (0.95) should support booting from the > > sx8. > > sx8 is a separate block driver, and has nothing whatsoever to do with scsi. > > > > So my question is, how does one use this driver for sata disks? Is my > > problem a grub problem, or does it have something to do with the fact > > a grub problem > > > > What is the relationship between the promise driver and the one included > > in the kernel? Why does one work differently from the other? Is there > > Promise SX8 provides neither an ATA nor SCSI interface to the developer, > so its not written as an ATA or SCSI driver. > > Jeff > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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