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Re: [Xen-devel] Xen and Adaptec (formerly DPT) SmartRAID V Controller (r

To: Perry Couprie <perry@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Xen and Adaptec (formerly DPT) SmartRAID V Controller (rev 01)
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Tue, 30 Nov 2004 17:00:06 +0000
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> > i am having problem starting a xen kernel with Adaptec Raid card,
> > is it possible to use the dpt-i2o card under xen.
> > I am using kernel 2.6.
> > 
> > RAID bus controller: Adaptec (formerly DPT) SmartRAID V Controller (rev 01)
> I think there's been at least one other report of this card not
> working. It's most likely due to a latent bug in the driver,
> perhaps confusion over bus vs physical addresses (you can get
> away with this on native x86). 
> If you enable the driver in the config and build it with tracing
> etc then it'll probably be fairly easy to fix. Eyeballing the
> code might even do it.
> Ian

There's one use of virt_to_phys() in the driver
(drivers/scsi/dpt_i20.c). You might want to try changing that to
virt_to_bus(), and report back.

 -- Keir

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