Re: [gentoo-user] Adaptec 29160 Setup

[Bob Sanders]

Hi Sean,


On Tue, 27 Jun 2006 22:22:51 -0400
sean <tech.junk@×××××××.net> wrote:


> 	Thought you might be interested on how things went. Sorry for the
> delay, I am recovering from an injury I suffered a little over a week ago.
>
> Anyway, due to not being able to troubleshoot the SCSI cd-rom problem
> for a while, and some other things I had half done, I decided to
> reinstall Gentoo from scratch. It was a new build so not like I had
> anything to loose.
>
> Once the build was completed, and made sure I included your options you
> suggested for troubleshooting with the initial build of the kernel I booted.
>
> Still could not access the scsi cd-rom. At least it was being assigned
> again, but unable to access. One thing I noticed in dmesg is that my
> sata dvd unit was showing up with the same identification, which they
> both are plextor brands, but that is where it ends, one is a scsi cdrw
> and the other a sata dvd burner.
>
> sr0: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray
> sr 0:0:1:0: Attached scsi CD-ROM sr0
> sr1: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray
>

Ah, but the problem is that it only thinks there is one type of drive.
One of the above drives should show as a DVD capable drive.  Not just
as a CD-ROM/ writer.  

> Tried mounting the dvd unit, worked fine. Tried the cdrw, no luck,
> stated no medium present.
>

So what it seems to be doing is the first drive it finds - SATA shows up
first, becomes the only drive it cares about.  But, again, why?

> With the above info, decided to disconnect the sata dvd. After system
> restarted, the scsi cdrw fired up perfectly.
>

Makes sense.

> Brought system down, reconnected the sata dvd unit and after power up,
> both units are now working. In fact the dmesg statements are from the
> working config, though it was the same when it was not working.
>

I wonder if the SCSI cable was not quite seated or had oxidized pins?
 
> At this time all I have done is tried mounting the units and was able to
>  view the contents, have not tried burning anything at this time. Still
> putting system together.
>
> Anyway I do not have a cause for the problem. Some how my sata unit and
> scsi unit were conflicting with each other it would appear.
> My scsi kernel settings have the suggestions you made, and all else that
> is there by default.
> I am reluctant to mess with the scsi kernel settings after things are
> finally working.
>

I hope they continue to work.
 
> Previously when I played with the settings one of my to units
> disappeared and I was unable to get it back.
>
> 				Thanks for your help,
> 				Sean
>


Take care,

Bob
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