kern/103602: drive gets wedged on READ CD CAPACITY if no disc is in

[Christian Gusenbauer]

Hi Scott!

I'm talking about an ATA DVD writer.

Ciao,
Christian.

-------- Original-Nachricht --------
Datum: Wed, 25 Apr 2007 15:08:54 -0600
Von: Scott Long <scottl at samsco.org>
An: Christian Gusenbauer <c47g at gmx.at>
CC: josh.carroll at gmail.com, Thomas Quinot <thomas at freebsd.org>, freebsd-scsi at freebsd.org, bug-followup at freebsd.org
Betreff: Re: kern/103602: drive gets wedged on READ CD CAPACITY if no disc is in

> Are you talking about an ATA disk drive or a SATA CDROM drive?
> 
> Scott
> 
> 
> Christian Gusenbauer wrote:
> > Hi Josh!
> > 
> > Thanks for your patch. But unfortunately, my problem is a little bit
> different 
> > to yours. I get the errors when accessing the ATA drive using /dev/acd0.
> My 
> > problem doesn't seem to be ATAPI-CAM related.
> > 
> > So, I'm glad that obviously Thomas' last patch solved your problem, but
> I' 
> > afraid, it is not the solution for my problem :-(.
> > 
> > Ciao,
> > Christian.
> > 
> > On Wednesday, 25. April 2007, Josh Carroll wrote:
> >> I used the following patch (attached) against a RELENG_6_2 src tree,
> >> and it's working brilliantly. No problems to speak of. I can boot with
> >> atapicam in the kernel without a disk in the drive and there were no
> >> hangs at all.
> >>
> >> The sg_readcap command still gives (immediately):
> >>
> >> READ CAPACITY (10) failed, device not ready
> >>
> >> I was able to burn a DVD-R with growisofs and blank and burn a CD-RW
> >> with cdrecord. So all seems well, though I'll continue to keep an eye
> >> on it.
> >>
> >> I'm not sure which patches need to be committed, etc. But I wanted to
> >> include the cumulative patch against the 6.2-R src in case it helps
> >> you decide which code to commit to -CURRENT/etc.
> >>
> >> Christian - can you give the attached patch a shot if you've got a
> >> 6.2-R kernel/install handy on your P5B-E?
> >>
> >> Thanks for all your help Thomas!
> >> Josh
> > 
> > 

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