linux-kernel - Re: INITIO scsi driver fails to work properly

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Message-Id: <1198277391.3130.73.camel@localhost.localdomain>
Date:	Fri, 21 Dec 2007 16:49:51 -0600
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	Filippos Papadopoulos <psybases@...il.com>,
	Boaz Harrosh <bharrosh@...asas.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: INITIO scsi driver fails to work properly


On Fri, 2007-12-21 at 17:43 -0500, Chuck Ebbert wrote:
> On 12/21/2007 04:03 PM, James Bottomley wrote:
> > On Fri, 2007-12-21 at 14:30 -0500, Chuck Ebbert wrote:
> >> On 12/19/2007 03:48 AM, Filippos Papadopoulos wrote:
> >>> On Dec 17, 2007 2:18 PM, Boaz Harrosh <bharrosh@...asas.com> wrote:
> >>>> I have found one problem. Please try patch [2] below and report.
> >>>> If it still fails try to enable debugging by setting with patch [1]
> >>>> these values at top of drivers/scsi/initio.c. And send dmsgs.
> >>>>
> >>>> Boaz
> >>>>
> >>>
> >>> I tried patch[2] (addition of   sg++)  at 2.6.24-rc5-mm1 but the
> >>> system hangs after some seconds when the initio driver loads.
> >>> I will try patch[1] next week to see what happens.
> >>>
> >>> Would it be better to open a bug report at bugzilla?
> >>>
> >> There is also a Fedora bug report against 2.6.23. The user has
> >> applied commit e9e42faf47255274a1ed0b9bf1c46118023ec5fa from
> >> 2.6.24-rc plus the two additional fixes under discussion and it
> >> hangs for him too.
> >>
> >> https://bugzilla.redhat.com/show_bug.cgi?id=390531
> > 
> > It really sounds like there's some problem applying the patches.  The
> > consistent report throughout is this one:
> > 
> > initio: I/O port range 0x0 is busy.
> > 
> > Which should be fixed by 99f1f534922a2f2251ba05b14657a1c62882a80e.  I
> > didn't actually find that in the bug thread anywhere, but maybe I missed
> > it?
> > 
> 
> The "I/O port 0" bug just prints the message and the system continues
> to run. It's only after that is fixed that the system just hangs on
> boot shortly after loading the driver.

That should happen unless the PCI BAR is genuinely misconfigured; it's
saying we got zero when we requested the starting address of BAR0.  What
does lspci -vv show for this device?

James


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