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

Scott Long scottl at samsco.org
Wed Apr 25 21:09:25 UTC 2007


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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