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Date:      Wed, 25 Apr 2007 15:08:54 -0600
From:      Scott Long <scottl@samsco.org>
To:        Christian Gusenbauer <c47g@gmx.at>
Cc:        josh.carroll@gmail.com, freebsd-scsi@freebsd.org, bug-followup@freebsd.org, Thomas Quinot <thomas@freebsd.org>
Subject:   Re: kern/103602: drive gets wedged on READ CD CAPACITY if no disc is in
Message-ID:  <462FC366.6060105@samsco.org>
In-Reply-To: <200704252001.37696.c47g@gmx.at>
References:  <8cb6106e0703261318o120c620ar6b2461802632fc01@mail.gmail.com> <8cb6106e0704241845r737dca05p50fc967a61d66677@mail.gmail.com> <8cb6106e0704242119h4a09d7d4v667d64071b3bd053@mail.gmail.com> <200704252001.37696.c47g@gmx.at>

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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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